Become a CODECON Speaker

It doesn’t matter where you work, what your title is, or whether you code by day or late at night. If you know your stuff, you’ve got nothing to worry about. Gather your courage and take the stage at CODECON! We will open registration for CODECON #Žilina very soon!

Why Become a CODECON Speaker?

We bring together a community of developers who are passionate about growing, learning, and supporting each other. This community is the foundation of everything we do, and we believe that everyone has the opportunity to contribute and give back.

As a CODECON speaker, you’ll leave your mark, contribute to the growth of the local IT scene, and gain opportunities that will help you advance your career.

High-Quality Content

The Program Committee will review your abstract carefully and fairly. Once selected, we’ll help you refine your topic to ensure it makes a lasting impression.

Reach Your Target Audience

Share your ideas and showcase your solutions at the largest community gathering of developers in Slovakia!

Become Visible in the IT Community

Your name will be featured in our marketing campaign, reaching a targeted audience of 5,000+ developers.

Networking and New Collaborations

Connect with fellow professionals, build new contacts, and form strategic partnerships that can help advance your career.

Long-Term Impact

It doesn’t end with a live talk at the conference – a recording of your talk will be available on our online channels, allowing it to reach a wider audience anytime.

Become an Inspiration

Share your experiences and help others grow. Your talk can inspire hundreds and leave a lasting impression.

Feedback

After the conference, we’ll share the audience’s evaluation with you, showing how your presentation resonated with the community.

CODECON Speakers Exhibition Hall

We showcase experts who have already made their mark or are just starting to shine at CODECON.

Join them and become part of the next legendary lineup!

speakers lineup archive

Marián Kamenistak

Your team is the winner! Guide of how we deliver 80+% of the quarterly roadmap consistently

Marián’s mission is to turn Central Europe into a new Silicon Valley. He runs the Engineering Leaders community of 1,000+ members in Prague, helped create two unicorns, has personally mentored over 100 people, and works as a fractional CTO with a portfolio of 30 companies (logos here). His speaking and moderation portfolio can be found here.

Bonus: He grew up in Žilina and is passionate about giving back to his hometown. He enjoys meeting people in person.

Miroslav Gašpárek

Beyond Borders and Back - Innovative Stories from Slovakia

CEO & Co-Founder at Sensible Biotechnologies

Lukáš Čulík

Game Development – How to Get Started, What to Avoid, How to Think About Success

Lukáš Čulík has been navigating the video game industry for over 15 years. He joined the fast-moving Pixel Federation team shortly after its founding as a QA tester. Over time, his creative ambitions led him into design, and he began actively developing his own game concepts. After leaving Pixel, he is now fully immersed in the trenches of game development with a 2D hand-drawn action platformer called CRAVE.

Samuel Uhliar

Investing Through the Eyes of a Software House

From my first year of high school, I started working at WEZEO, where I spent two years as a web developer. Later, I moved to WEZEO Addventures, the parent company, as a Co-Founder Associate, where I had the opportunity to participate in some of the group’s largest investments.

This journey has given me a unique perspective — from the technical side of software development to the strategic decisions that shape a company’s direction. As a result, I have gained practical insight into how technology companies can effectively invest in both internal and external projects.

I believe I can offer participants concrete experience in connecting technology, innovation, and investment to drive long-term success.

Miroslav Kozma

Practical Experience with Cursor and Copilot

I am a Generative AI Developer with a background in XR (VR and AR) technology development. While I initially focused on XR, I have since moved into projects in the field of generative artificial intelligence. I have been with Accenture since 2021 and currently concentrate on generative AI projects. I studied Intelligent Software Systems at STU FIIT in Bratislava.

William Brach

Is the Future of Web Scraping Agentic?

I am a co-founder of the startup sommify and a PhD student at FIIT STU, where I combine research with practical application. I focus on natural language processing (NLP), large language models (LLMs), web scraping, and data mining—fields where I aim to make a real impact. My strength lies in not only researching new technologies but also actively applying them in product development.

At CODECON, we will explore how autonomous agents are transforming the world of web scraping—and whether they represent its future.

Michal Truban

Beyond Borders and Back - Innovative Stories from Slovakia

IT Entrepreneur, politician, athlete

Marcel Veselka

AI Agents and the Future of Testing

👋 I’m Marcel Veselka, founder of Wopee.io, with 20 years of experience in testing. I see testing not as a brake on innovation, but as its safeguard.

Today, AI accelerates everything — development, deployment, and unfortunately, the errors that come with them. That makes testing more important than ever.

AI agents are fundamentally transforming testing. They eliminate monotonous tasks, speed up processes, simplify complexity, and free up time for what really matters: thinking, creating, and improving software quality. Testing is evolving from routine, sometimes tedious work into a process that brings joy, value, and confidence that everything works as it should.

I studied in Žilina, and CODECON gives me a great opportunity to engage locally and support and motivate the community at home. 🚀

Lucia Ondrigová

Panel Discussion: Stay or Leave? The Future of Young People in Žilina

I work at the Faculty of Natural Sciences at Matej Bel University, where my research focuses on applying artificial intelligence in medicine, specifically analyzing histological images using neural networks and generative models. I recently received the IT Student of the Year 2025 award in the Woman in IT competition. I am also the founder of the IT&FIT civic association.

Tomáš Kramár

Developing for high availability and resiliency

Tomáš Kramár is the founder of the startup Luigi’s Box, which operates across Europe, delivering solutions for some of the most prominent names in global e-commerce. While you may not have heard of Luigi’s Box, if you shop online, you have almost certainly interacted with its services.

Pavol Eliáš

Panel Discussion: Beyond Borders and Back: Innovative Stories from Slovakia

Pavol Eliáš is an experienced manager with a proven track record in building and leading geographically distributed, innovative software development teams. Since 2018, he has served as Senior Vice President, SDC and EMEA Customs at Descartes Systems, where he oversees the company’s European R&D projects, managing development branches in Žilina, Manila (Philippines), and Montevideo (Uruguay), as well as the R&D Center of Excellence.

Tomáš Vincze

Beyond Borders and Back - Innovative Stories from Slovakia

Waste Collection Management Division Director, SENSONEO

Marian Kamenistak

The EUR 30k/y Mistake: How to Advance Your Software Career Like a Pro - True Stories

🎓 Founder of 1600+ Engineering Leaders Community « Building Silicon Valley Leaders in Central Europe « 2K+ Leaders Mentored « $7.1bn Fractional Advisor « Board Member « MBA Lecturer « Influencer « 100+ Event Speaker

Marek Panti

How to Stay Relevant as a Programmer in 2025 – and Not Go Crazy

I am a programmer passionate about exploring various aspects of front-end development and JavaScript. I have worked on several projects, ranging from senior developer to consultant. Lately, I have been focusing on creating Angular components, which I share on my GitHub, some of them as open-source packages on NPM. In my free time, I write a tech blog on Medium

Marián Vlčák

PostgreSQL as a Document Database in Your Browser

Marián Vlčák, known as Vlko, is a technology enthusiast and amateur blogger who works as CTO at FinStat. In his spare time, he curates interesting links in his weekly blog at blog.vyvojari.dev. He is also active in the developer community, helping organize the WebUp technology meetup in Žilina and contributing to the development of the vyvojari.dev portal.

Viktória Sunyík

Panel Discussion: Digital Resilience: How to Deal with Disinformation in the Cyber Era

Psychologist and researcher at the Institute of Experimental Psychology, CSPV SAV, v.v.i. Her work focuses on understanding why people fall for pseudoscientific, conspiratorial, and other unfounded beliefs, particularly in the health domain. She also studies scientific literacy as a protective factor against various forms of misinformation.

Hana Harenčárová

Seamless releases with feature flags - insights from github’s experience

Hana is a Rubyist by heart and a software engineer at GitHub. After finishing her PhD in judgement and decision-making psychology, she became increasingly interested in coding. She shifted her professional orientation towards programming. Hana fell in love with Ruby and shares her passion by teaching at Ruby Monstas Zürich and Rails Girls.

Peter Humaj

Building Mission-Critical Systems

I am a developer with over 20 years of experience in control and mission-critical systems. Our company develops and deploys industrial control systems for businesses and the energy sector in Slovakia and abroad. These solutions must operate 24/7 without downtime and often involve critical infrastructure systems. In my presentation, I will discuss key aspects of designing and building such systems.

Imrich Berta

The Path to AI Through Python, Data, and Statistics

I am the founder of Codebridge College, an educational platform that helps programmers expand their skills in data analytics and artificial intelligence. We combine practical experience in Python with data-driven thinking and modern AI tools, enabling developers who may have missed “data intuition” or statistics at university to become active members of the data science and machine learning community.

Adam Rafajdus

The Future of MedTech & AI “Made in Slovakia”

I studied Information Systems at the Faculty of Informatics and Information Technologies at STU, where I focused on artificial intelligence research and its applications across various scientific fields. After graduating, I specialized in applying AI to biotechnology and biometric projects.

In 2022, I joined Powerful Medical, where I was responsible for training, deploying, and maintaining AI models in the cloud. Since 2023, I have been leading an AI team focused on developing and clinically validating certified AI solutions, with a particular focus on cardiology—specifically the digitization and diagnosis of ECG recordings. Under my leadership, the team collaborates closely with physicians to create solutions that directly address the needs of clinical practice, particularly in acute cardiac care.

Ondřej Žára

Book Typesetting Using CSS

I frequently lecture at conferences across the country and at universities, and I thoroughly enjoy sharing knowledge. I am also employed at Seznam in a versatile role. Last year, I published my second book on JavaScript.

Milan Martiniak

Myths vs. Reality – Minimal API in ASP.NET Core

Milan has been working as a developer and architect at KROS since 2007. He started as a desktop developer and, in recent years, has focused primarily on web and cloud development. He writes a blog about .NET development and co-organizes the KROS Dev Meetup.

Ivan Cimrák

Panel Discussion: Beyond Borders and Back: Innovative Stories from Slovakia

Researcher in Biomedical Informatics at the Faculty of Management and Informatics, University of Žilina.

Ivan Cimrák specializes in applied informatics in biomedicine, focusing on modeling circulating cancer cells in microchannels and using artificial intelligence in mammography and histopathology. His work, first at Ghent University in Belgium, then at St. Poelten University of Applied Sciences in Austria, and since 2011 at the University of Žilina, was recognized by the ESET Science Award, where he was selected as one of four finalists in the Outstanding Personality in Higher Education category. He believes that world-class research can be conducted in Slovakia.

Lukáš Naď

Why? How? What? Penetration Testing

I work in cybersecurity, specializing in penetration testing (ethical hacking). I am passionate about raising public awareness of penetration testing and cybersecurity, and helping organizations and individuals better understand and improve their security posture.

Marek Panti

Real front-end A.K.A. UI components behind the scenes

Marek Panti works as an Angular developer at Multitude. In addition to his work, he is also interested in the JavaScript ecosystem and writes a blog about it. He focuses on UI components, architecture, and how JavaScript works in browsers.

Ivan Macalák

Separate API Access Control Using Open Policy Agent

Ivan Macalák focuses on software system architecture, with a particular emphasis on cloud solutions. He shares his extensive domestic and international experience as a lecturer and mentor in Java technologies, domain analysis, and software architecture.

Terka Mihalovič Lukáčová

Beyond Borders and Back - Innovative Stories from Slovakia

CEO DASATO, Co-Founder DASATO & GROWNI

Peter Bakonyi

Streaming Data to Kafka Using Python

Peter has primarily been working in data science and data engineering with Python for several years. Among other things, his research focuses on the behavior and effective use of data in computer networks, which is part of his dissertation. He developed his presentation skills while teaching at university and speaking at international conferences.

Peter Miľovčík

Creating an Accessible AI-Powered Web Navigator with OpenAI, .NET, Playwright, and Modern Development Tools

Peter Miľovčík is a Senior Key Expert at Siemens Healthineers, focusing on improving efficiency in software testing with an emphasis on innovation. He applies strategic thinking, continuous learning, and creativity to connect different contexts and generate new ideas.

Phil Royston

Cross-Dysfunctional Teams: Where The Magic Stops

Having wandered reluctantly into IT about 30 years ago, my first contact with formal testing came unexpectedly in 2002, when I was made the Test Manager on a project. It was then that I felt that I had found my true calling.

I became the go-to person they called when there was a “problem in testing”. But after a few years of fire-fighting troubled projects, I began to wonder if there wasn’t a better way. This first led me first to start a testing company 11 years ago and eventually sparked my current fascination with quality engineering and self-organization.

Martin Kloock

Are you ready for AI?

Experienced WW engineering leadership spanning all aspects of software engineering from product development, R&D, engineering processes, agile development, and DevOps.

Michal Gábor

SSO on Its Own Infrastructure

For the past 14 years, my career has been focused on application development, primarily in Java using the Spring framework. I specialize in architecture design, cloud solutions, Kubernetes, infrastructure, and DevOps.

Software development is not just my profession, but also my passion. I continuously expand my knowledge of new technologies and enjoy sharing my experiences with the community. I thrive on solving complex technical challenges and actively contribute to improving team processes.

Jan Havlíček

Mapy.com – Architecture Services

I joined Seznam in 2013 as a programmer for Mapy.cz, working on projects such as Panorama and expanding maps to cover the entire world, including the associated data imports. Later, I took on the management of the development team and now oversee development and research for one of Seznam’s divisions.

Zuzana Sochová

Agile Is a Journey – Doing Agile Is Not Enough, You Have to Be Agile

Zuzana “Zuzi” Šochová works as an Agile coach, Agile methods trainer, and Certified Scrum Trainer with over 20 years of experience in the IT field. She first became acquainted with Agile and Scrum in 2005 when she participated in the implementation of Agile methods in the United States. Since then, she has led Agile and Scrum transformations in many companies and teams around the world. She believes that with strong Agile leadership, companies can create a more satisfying environment and achieve success.
She founded the Agile Association and organizes the annual Agile Prague conference.
She is the author of The Great Scrum Master: #ScrumMasterWay (Addison-Wesley Signature Series (Cohn)) and The Agile Leader (Addison-Wesley, 2020), published in the US. She is also the author of the #ScrumMasterWay concept and co-author of the book Agile Project Management Methods (Computer Press, Czech Republic).

Zdenko Vrabel

Controller in Modular Monoliths

I am a programmer with experience across multiple domains—from C in telecommunications, through Java backends, to cloud infrastructure. I enjoy exploring the details of containers and Kubernetes, and I share my insights on my blog okontajneroch.sk and at community meetups. Currently, I am focused on AI agents and their orchestration.

Jano Suchal

The State as a Platform: How We Can Improve Digital Services Ourselves

I have been involved in state IT for over 10 years and am well-known within the Slovak IT community. I organized the Rubyslava meetup for many years, have taught at FIIT, and enjoy presenting and sharing knowledge with others.

Patrik Zakovič

Intelligent Robots in Banking

I have been working in the banking sector since 2016, holding various IT roles. At Slovenská sporiteľňa, I contributed to the development of a test automation platform and am also the creator of the RPA platform. Today, I lead the Automation and DevOps team, overseeing all automation-related activities. Our motto is: "Automation as a Service."

Rastislav Pečík

Keycloak, or How to Solve Login Painlessly

I am an Enterprise Architect, DevOps engineer, tech enthusiast, father of two, and—believe it or not—also work in Sales. I have implemented Keycloak more than 10 times across various institutions and have followed its development since the early versions. Along the way, I’ve had my share of debates with security departments when implementing Keycloak or container solutions. I am also a certified RedHat enthusiast.

Daniel Rajčan

Cloud Landing Zone – Clouds Need Parking Spaces Too

I have been immersed in cloud computing and DevOps for over 10 years. I am the co-founder of Plectrum Engineering, where I also work as a multi-cloud architect. I enjoy sharing my extensive experience from small to multinational projects and actively contribute to educating future IT professionals at the University of Žilina.

Peter Kráčik

How We Created an Internal Developer Platform for Our Developers

Peter Kráčik is a Solution Architect at Parkside Interactive. Over 15+ years in web and web application development, he has progressed from Frontend to Backend, DevOps, and now Cloud architecture.

As DevOps Lead, he and his team focus on improving processes and infrastructure both internally and for clients. He also applies his experience and technical expertise in his role as a Tech Consultant.

Martin Koldovský

AI Shield for Automatic Security of Web Applications and APIs

Head in the cloud, feet on the ground. As a Cloud Security Architect at Check Point Software Technologies, a leader in cybersecurity, Martin helps customers implement security measures where they can have the greatest impact with reasonable effort.

As a hobbyist developer and automation enthusiast, he enjoys bridging the gap between “legacy” and modern IT.

Adrián Paníček

Why We Can’t Afford to Ignore Rust

I am a Senior Embedded Software Engineer with 12 years of experience. I am passionate about Rust, software security, and IoT. I am excited to share my vision of a better future with CODECON participants.

Vlastimil Kocián

Panel Discussion: Beyond Borders and Back: Innovative Stories from Slovakia

Vlastimil Kocián graduated in Information and Control Systems from the Faculty of Management and Informatics at the University of Žilina. He began his career as a developer at KROS, later moving into management, and has since been involved in innovative projects in construction and online applications. Since 2013, he has served on the presidium of the Žilina IT cluster ZAIT. In 2021, he became the first Director of the INOVIA Innovation Center in Žilina, overseeing development programs for companies and startups. He is also a member of the international networks Red Button and Ynovate. Vlastimil believes the future of the Žilina region and Slovakia lies in nurturing young talent and integrating innovations into everyday business and local government.

Gabriel Bagita

The Importance of Collecting Security Logs and Responding to Them

Gabriel Bagita is a cybersecurity professional with over 20 years of experience. He holds a degree in Information Systems and numerous certifications, including CISM. At Raiffeisen Processing Centre, he is responsible for HSM management, project support, application security, security monitoring, and incident response.

Branislav Beňo

Automated Code Refactoring

I am a programmer with over 20 years of experience developing software for railway signaling systems.

Programming is not just my job — it is also my hobby and passion. I strive to see things in a broader context and always look a little further ahead. Completing assigned tasks is not enough for me; I seek and promote innovations that improve projects and simplify the team’s work

Samuel Šušoliak

NX Monorepo – How SENSONEO Scales Its Frontend Development

Samuel has been working in IT for several years, primarily focusing on frontend development in the projects he has contributed to. He has been fortunate to work alongside colleagues who generously shared their expertise and pushed him to grow. Now, he is ready to give back to the community.

Marianna Szárková

CEO Campus innovations

Ondrej Proksa

The Future of Websites – New Horizons and Innovations in Times of Chaos

CTO MUZIKER

Jakub Stehlík

Feature environments to the rescue!

I first encountered cloud technologies nine years ago, toward the end of my university studies. Since then, I have worked on a variety of projects as a DevOps, Cloud, and Platform Engineer. Currently, I focus on the fascinating world of Kubernetes and Cloud Native technologies at Labyrinth Labs, and I enjoy sharing my experience at conferences and meetups.

William Brach

AI powered webscraping

William Brach is a PhD student at FIIT STU in Bratislava, focusing on information retrieval a NLP. He is also the co-founder of the AI startup sommifyAI, which allows him to approach projects from both academic and commercial perspectives. He actively contributes to open-source projects such as stanfordnlp/dspy and is always eager to take on new challenges.

Anton Giertli

On-Premise AI Assistants: An Alternative to GitHub Copilot with Privacy Preserved

As a Senior Solution Architect at Red Hat, I work with customers and partners to implement open source technologies that deliver real value to their organizations. I have also gained international experience, which I am now excited to share in Slovakia. My background spans application development, including integrations, cloud-native approaches, business process management, and tools that enhance developer productivity.

Boris Vavrík

LLMs – What Could Possibly Go Wrong?

I am a physicist at heart, a mathematician by education, a programmer by profession, and an AI expert with all my heart and soul. I currently work as a Software Architect at Siemens Healthineers, with eight years of experience in AI development for medicine. My scientific approach allows me to combine domain knowledge with technical expertise, transforming AI black-box models into intuitive, practical assistants.

Oliver Kriška

Search is not magic with PostgreSQL

Oliver Kriška has over 20 years of experience in web development. He has progressed from creating simple websites and e-shops to developing complex systems and taking on technological and managerial roles in international companies. He focuses on team leadership, management, and process optimization in software development, while implementing advanced techniques and optimizing online platforms for high performance and scalability.

Attila Kúr

DDoS Battles: Tales of Chaos, Outages, and Cloud Survival

Architect for a cloud platform of SaaS solutions in Kistler, drawing on years of hands-on software development experience. I focus on microservices in the IoT space, while also diving into DevOps and cybersecurity. I enjoy tackling challenges that push me to grow and sharing what I’ve learned — because, in the end, the best answer is often just "it depends".

Peter Baus

How to Be Lazy and Get More Done – Automation in the Life of a Programmer and in Project Management

Formerly a scientist, environmentalist, university lecturer, and NGO director, he is currently a programmer, team leader, manager, and soft skills trainer. Among other things, he was the leader of the IT Project of the Year 2023. In the technical field, he has more than 19 years of experience with web application technologies, currently focusing mainly on React, Node.js, Angular, Docker, Kubernetes, SQL, MongoDB, Redis, Socket.IO, and others.

Milan Martiniak

Painless Caching in ASP.NET Core

I have been professionally involved in software development for over 17 years. During this time, I have had the opportunity to work on exciting projects with talented people and learn a great deal along the way. I am now happy to share these experiences at meetups, conferences, and on my blog.

Majka Szarková

Panel discussion: Startups Without Filters: Openly About Failures, Setbacks, and Lessons Learned

CEO @ Doers United & Campus Innovations

Majka Szarková is a community builder focused on startups, education, and innovation.

She leads Doers United, a community of top-performing founders and investors across Central Europe, also runs Campus Innovations, organizing public and private hackathons that empower youth and drive fresh solutions both in the public and private sector.

As a longtime partner of the Central European Startup Awards, Majka is dedicated to connecting people and ideas that move ecosystems forward. Whether fostering early-stage talent or catalyzing investor-founder dialogue, Majka is building communities that inspire action and drive forward innovation.

Matej Šipkovský

Server Hacking and Defense

Matej Šipkovský is the founder of NETVEL s.r.o., focusing on network solutions and network security for corporate clients.

He studied Telecommunications at the Faculty of Electrical Engineering and Information Technology at the Slovak University of Technology in Bratislava, completing his engineering degree. During his studies, he earned multiple certifications, including Cisco CCNP Routing & Switching, Cisco Certified Design Professional (CCDP), CCNA Security, AWS Certified Cloud Practitioner, ITILv4 Foundation, and Fortinet Network Security Architect (NSE7).

Filip Mrhal

Choosing a fitting architecture and technology for a project - practical experience and tips

Filip Mrhal’s work focuses on development, architecture, and essential communication with customers. He has been working in IT for around 15 years, holding various roles in development and DevOps, often managing customer interactions in multiple languages.

He strives to combine different perspectives to find the most effective solutions for various challenges. In addition to leading his team, he has long been involved in mentoring and developing junior colleagues, sharing both positive and negative experiences. He frequently leads tech talks on topics such as .NET, JavaScript frameworks, algorithms, and mathematical methods. In Prague, he founded an informal group for senior developers focused on continuous improvement, meeting roughly once a month. At CODECON Žilina 2023, he announced plans to write a book on effective programming through mathematical thinking, expected to be completed in 2025.

Tomáš Jurásek

Open Telemetry

Tomáš Jurásek is passionate about designing and developing distributed systems in the .NET ecosystem. He helps companies design and modernize complex domains, focusing on efficiency and reliable operation through a pragmatic approach.

Jakub Veverka

No More Production Nightmares: AIOps

I am an Open Source enthusiast who enjoys exploring new tools and approaches, preferably with open-source code, and sharing these ideas with others.

My career began as an operations engineer, which naturally led me to automation. I enjoy solving problems using Golang, Python, and Ansible, and for the past 10 years, I have helped companies adopt containerization and automation.

In recent years, as a Solution Architect, I have been evangelizing new technologies and approaches to select Red Hat customers.

Mária Kostická

Digital Bratislava – Fact or Fiction?

I am an experienced service designer with five years of experience improving the services of the city of Bratislava. I graduated from Matfyz and currently lead the programming side of the innovation team, implementing design thinking principles across the city council with a strong focus on user needs and customer experience.

Katarína Klingová

Panel discussion: When Technology Meets Geopolitics: How to Defend Against Hybrid Threats?

I am a Senior Research Fellow at GLOBSEC. Since 2016, I have conducted research at the Center for Democracy and Resilience. I am the author of numerous analyses on hybrid threats, the impact of information operations and social media on democratic societies, and strategic communications. Previously, I have worked for Transparency International Slovakia and the European Commission.

Alžběta Solarczyk Krausová

Future Prospects – The Role of AI in Industry Transformation

Head of the Center for Innovations and Cyberlaw Research "CICERO" at the Institute of State and Law of the Czech Academy of Sciences, CEO Respectful AI

Peter Kráčik

From Developer to Ironman, from Ironman to Developer

I am a software developer with over 18 years of experience, working on projects across the aviation, pharmaceutical, and automotive industries. My experience spans frontend, backend, and DevOps, and I currently focus primarily on cloud architecture.

As an endurance athlete (4× Ironman, 3× ultramarathon, 9× half-Ironman), I explore how discipline, planning, and pushing personal limits can be applied to software development and everyday professional life.

Patrik Plachý

How to Work on Your Laptop with Large Language Models and Build AI Applications Using the Freely Available Podman AI Lab

Patrik Plachý began his career as a developer in C, later expanding to C++, Pascal, and Python. He then worked on developing modules for Oracle Database and designing backend code, helping customers design and deploy enterprise systems. In recent years, he has focused on Linux, Clusterware, and High Availability. He is currently a Senior Solution Architect at Red Hat, specializing in container operations and deployment for customers in the Czech Republic and Slovakia.

Fabiola Reyes

Build in house or buy externally? Lessons for tooling in the AI Era

Fabi is a Senior Analytics Engineer based in Barcelona, originally from Ecuador with stops in the US and Europe along the way. Curious by nature and multilingual (including coding languages ), she spends her days building data solutions and bridging engineers with business so everyone has space to be heard.

She’s also passionate about education and teaches tech skills to SMEs, helping them adapt to the digital era. Outside of work, you’ll usually find her doing CrossFit, upside down in a yoga handstand, or exploring coffee shops around the city.
Let’s just say she’s the person who knows a guy who knows a guy.

Jiří Činčura

How I put .NET into Firebird database engine

Jiří Činčura is .NET, C# and Firebird expert. He focuses on data and business layers, language constructs, parallelism, databases and performance. For almost two decades he contributes to open-source, i.e. FirebirdClient. He works as a senior software engineer for Microsoft. Frequent speaker and blogger at www.tabsoverspaces.com

Martin Pinter

Bratislava - IT vo verejnej správe a Open source

Od mája 2021 pracuje pre mesto Bratislava a pomáha mu budovať interný tím programátorov, najskôr ako súčasť Oddelenia inovácií, dnes už ako Oddelenie vývoja inovácií. Predtým viedol developerské tímy vo viacerých technologických startupoch. Je programátor, najviac doma v typescript/javascript svete.

Jana Haderková

Agile and traditional project management methods – synergies and differences

CEO KROS

Ľuboš Balát

WebJET CMS – A New Generation Content Management System in an Open Source Version

Ľuboš works at InterWay as a Product Director, focusing primarily on the development of the WebJET CMS content management system. The system has been evolving for nearly a quarter of a century, yet there is always room for improvement.

Viliam Kanianský

Can AI Read Your Website? The Key Is Under the Hood of AI Overviews

I am an SEO consultant at my own agency, MADE It Digital s.r.o. With nearly 20 years of hands-on experience (JavaScript, HTML, CSS, PHP, graphics, social media, PPC — but primarily SEO), I bring a broad, practical perspective to digital projects.
As a former programmer, I strive to understand developers; as an e-shop owner, I understand clients; and as a consultant, I aim to understand my colleagues. It’s often challenging — but I truly enjoy it.

Ivan Macalák

Domain-Driven Design: The Key to Mastering Complex Systems

My primary focus, interest, and professional challenge lie in software system architecture, with a strong emphasis on cloud solutions. I share my many years of domestic and international experience as a lecturer and mentor in the areas of Java technologies, domain analysis, and software architecture.

Ján Nemčík

Secure Access to Kubernetes Clusters: Why Not Share Admin Access

I have been working in IT for nine years, starting as a developer and gradually transitioning to DevOps and Cloud over four years ago. I currently work as a Platform Engineer at Plectrum Engineering and contribute to several smaller projects. I enjoy sharing my real-world experiences so that others can avoid the mistakes I’ve made.

Milan Cák

The Future of Digitization and Automation of Business Processes

I am the CEO of AMCEF, a company that, after delivering around 280 projects, grew tired of developing custom software the traditional way. That’s why we created the Modulario platform, which now enables us to deliver fully customized systems to clients in a fraction of the time compared to conventional coding.

Pavol Daniš

Smaller Teams, Bigger Impact: Agile’s Future with AI

I am a Product Owner and team leader with a strong background in development. My journey began with building robust internet banking systems, transitioned into the dynamic world of fintech startups, and has now led me to Industry 4.0 at Kistler, where I specialize in optimizing industrial processes.

Zuzana Badlíková

Testing Odyssey: Through Mistakes to Sustainable Automation

Although Zuzana entered testing by chance, she was quickly captivated by the dynamic field of IT testing. Over 15 years, she has progressed from tester to test lead to QA developer. During this time, she has worked on various automated testing solutions, including designing test scenarios, architecting automated tests, deploying them, and ensuring sustainable development. In recent years, her focus has been on API testing.

Jakub Goda

When Technology Meets Geopolitics: How to Defend Against Hybrid Threats

I am a publicist and expert in online communication. I led online communication for the Ministry of Health during the coronavirus pandemic, worked as part of President Zuzana Čaputová’s team, and previously worked in advertising. I am the recipient of a Journalism Award for a series of blog posts. I have long focused on disinformation and the functioning of social networks.

I studied at the Faculty of Management at Comenius University in Bratislava and later studied philosophy, political science, and economics at the University of York in the United Kingdom.

Dávid Tvrdoň

The Future of MedTech & AI “Made in Slovakia”

I am a host, journalist, and podcast creator, best known for the technology podcast Link. I worked at the daily newspaper SME for 10 years, where I contributed to the digital subscription strategy, launched newsletters, and helped introduce podcasts. I co-founded skpodcasty, the largest database of Slovak podcasts, and I am also involved in organizing the Podcast of the Year awards.
In addition, I help media organizations around the world with digital strategy and create content at FatChilli for Publishers.

Vladimíra Sarvašová

One-on-one discussion: Code and Character – What separates a good developer from a leader?

I believe in the continuous development of people and teams. My passion is supporting leaders and fostering a healthy corporate culture where teams can grow, achieve results, and thrive in a positive environment. A life immersed in diverse cultures has taught me flexibility and openness. In my free time, I draw energy from nature and folklore.
Bio:
20 years of experience in education, HR, and finance (Fortune Top 500)
Introduced a coaching culture in the automotive sector
Certified Gallup Coach (since 2020)
ICF Professional Certified Coach – PCC (since 2018)
Certified Scrum Master
Certified Simon Sinek WHY Coach
3000+ hours of coaching

Jakub Šuster

Panel discussion: Startups Without Filters: Openly About Failures, Setbacks, and Discoveries

I focus on strategic communication and artificial intelligence. As CEO and co-founder of elv.ai, I lead a team developing tools for moderating online content, helping brands protect their reputations in the digital space. My work has been recognized in the Forbes 30 Under 30 list in the startups and technology category.

Previously, I worked as an account director at New School Communications. I speak at conferences on AI and combating online hate speech, and I am a member of together.eu as well as an ambassador for EDYN. Forbes magazine has recognized me as one of the 12 key figures shaping the future of Slovakia and as one of Europe’s most promising young entrepreneurs.

Branislav Majerník

Cucumber and Gherkin – AI Agents with Permission to Test

I work on innovative genAI projects and deliver solutions for enterprise clients. This allows me to explore both the advantages and the unresolved challenges of generative AI in enterprise environments, as well as advanced design patterns. I look forward to sharing these insights and discussing them with the community at CODECON.

Tomáš Ivan

Flutter: Architektúra

Tomáš Ivan has been developing mobile applications for nearly 10 years, working on Windows Phone, Android, and iOS apps. In recent years, he has specialized in Flutter development. Beyond programming, he is also involved in training young developers, both internal employees and students through lectures in cooperation with FRI UNIZA.

Srigi

Next.js Is Not Like PHP!

I am a full-stack developer and startup founder who loves transforming ideas and chaos into real projects. I have helped launch eureka.club, solved.fi, and vectary.com — projects that evolved from initial ideas to fully functional products (and sometimes from bugs to production).

Jakub Hnilica

Od chaosu k systému: Ako sme si postavili DevOps, ktorý sa (konečne) oplatí

Since 2022, I have been working at SOFTEC, focusing on DevOps and Cloud.

Among other things, I am interested in the implementation of DevOps processes and tools, for example through products such as a DevOps framework. At CODECON, I will share with the community the successes and challenges associated with developing the DevOps Framework.

Lukáš Naď

Vibe Coding in Security Services: Code with Style, Think Securely

I am a team lead of security specialists, focusing on penetration testing (ethical hacking). My goal is to raise awareness of cybersecurity and penetration testing not only among experts but also the general public. At CODECON 2025, I will share my perspective on how vibe coding can be done stylishly while maintaining a security-first mindset from the very start.

Martin Rázus

Panel discussion: Startups Without Filters: Openly About Failures, Setbacks, and Lessons Learned

I am dedicated to finding effective solutions to a wide range of problems. Programming and software design offer endless opportunities to meet this challenge. As a programmer and later as a technical architect, I have worked in several software companies from Prešov to Bratislava to London. As a Toptal developer, I have contributed to numerous international projects in the US, Canada, Germany, and Ireland.

I co-founded the Prešov branch of the Eastcubator coworking space, organized WebElement community lectures in Prešov for several years, and actively supported the startup ecosystem in eastern Slovakia. Seven years ago, I co-founded the Cequence project, where I continue to work today.

Jaroslav Kopčan

How to Effectively Use Open Source Large Language Models (LLMs)

Jaroslav is a member of the Natural Language Processing team at the Kempelen Institute of Intelligent Technologies. His main focus is development in the field of artificial intelligence. He works in the areas of deep learning, natural language processing, and methods for explaining artificial intelligence models.

Branislav Majerník

Hack GENAI Using Prompting

RNDr. Branislav Majerník is part of the Accenture ATC Center in Bratislava, working as an SME and tech architect/lead on Quantum Computing and GenAI projects. He has extensive experience in Data Science, ML/AI, Quantum Computing, and Oracle Cloud Infrastructure. He studied Physics at the Faculty of Mathematics, Physics, and Informatics at Comenius University in Bratislava.

Matúš Čongrády

Mastering Cursor - the most popular AI code editor

I'm a Fullstack developer turned startup founder with 12+ years of experience. I specialize in AWS, DevOps, and web technologies: Typescript, React, Node.js.
My startup, Stacktape, is a PaaS that deploys to user's own AWS account and offers 97% of AWS capabilities, with 3% complexity.

Jiří Materna

Future Prospects – The Role of AI in Industry Transformation

Machine Learning Expert, Founder Machine Learning College

Pavol Perdik

Video skeleton tracking + AI = digital personal running coach

Tech & AI enthusiast, with 15+ years' experience. SW engineer turned CEO @ BRACKETS. Passionate about innovation, AI and digital transformation.

Martin Pribula

Improving Healthcare with Digital Technologies

Martin Pribula is a project manager with nearly 15 years of experience in software development. Over the past decade, he has focused primarily on medical projects, working mainly with .NET and web technologies as a developer.

Zuzana Šumlanská

Website Speed and Performance Inequality GAP

Zuzana Šumlanská is a freelance front-end developer and website performance consultant with 7 years of experience. In addition to her focus on website speed and optimization, she enjoys working with web animations and design systems.

Tomáš Kriššák

Panel discussion: When Technology Meets Geopolitics: How to Defend Against Hybrid Threats?

I am an information security expert and the founder of Checkbot and Sebavedomé Slovensko, as well as the HOPE – Hall of Positive Engagement educational platform. I am dedicated to fostering critical thinking, values education, and media literacy. Professionally, I work at the technology company Gerulata Technologies.

Ján Polonský

This is not a game, this is cybergame

Ján Polonský is a senior developer at the National Cyber Security Center. He has been a programmer for over twenty years and joined CyberGame more for fun than anything else. He won the first edition with full points and is now part of the team protecting Slovakia’s security.

Alexey Kononenko

AI: Cloud or Local? How a Supercomputer on Your Desk Changes the Game for Developers.

I have been working in IT for over 20 years, the last 8 of which have been at Dell Technologies, where I help companies transform their workplaces. I'm not just a 'hardware' specialist—I am an active 'power user' of AI (LLM) and I see how these technologies are changing our industry.

Filip Bednárik

HI + AI = ? – A Day in the Life of a Person with Artificial Intelligence

Senior Solution Architect specializing in designing information systems with microservice architecture, artificial intelligence, natural language processing, cloud, and IoT technologies. He favors open source solutions with a strong emphasis on privacy.

Tomáš Javůrek

Multimodal and Multilingual Fact-Check Search

I am a data scientist and high school teacher. I have worked on distributed data management at CERN, network automation, and data analysis using machine learning, and I also have a background in particle physics.

My interests include natural language processing, and I believe the future of AI lies in multimodality — the integration of multiple data types and models

Lukáš Polesňák

Digitálna Bratislava - fact or fiction?

I am an experienced programmer and IT architect, responsible for key projects of the innovation team, including the Bratislava Account and the PAAS mobile parking app. Within the organization, I have advanced to Director of the Bratislava Digitization Section, overseeing innovation, data, network infrastructure, and technical and application support. In my free time, I teach business data at FMFI UK and FHI EUBA.

Filip Vítek

Future Prospects – The Role of AI in Industry Transformation

Executive Vice President VP AI & Data, CommentSold

Michal Brichta

Software from and for Space

Michal Brichta is the Director of the Implementation Division at the Slovak Space Office, operating within the SARIO agency. In 2019, he initiated a new, comprehensive approach to building the national space ecosystem, and today, together with his team, he continues to develop these initiatives and advance the Slovak space sector and its internationalization. He also serves as the Slovak delegate to ESA and as Vice President of the International Astronautical Federation.

Tomáš Vanek

Practical Experience with Cursor and Copilot

I am a senior IT architect with 35 years of experience in large enterprises and agile startups. I closely follow trends in new and rapidly evolving technologies. I am the author of the GALATI Vitis program, which has supported winegrowers for over 30 years, and I have coached, mentored, and trained software and technical architects. I am also the co-founder of the OpenSlava conference (openslava.sk).

Martin Šustek

Preventing the Physical Consequences of Prolonged Sitting with the Help of Movement

Martin Šustek leads three departments at Multitude IT Labs—User Interfaces, Analysis and Architecture, and Mobile Development—focusing on standards, professional growth, and technological advancement. He is also dedicated to mentoring future leaders.

His passion is movement: he teaches it, practices it, blogs about it, and is currently writing a book on the topic with a publisher.

Rastislav Kušpál

Panel Discussion: Stay or Leave? The Future of Young People in Žilina

I am Head of Engineering at Siemens Mobility, where I lead technical teams. I also serve as President of the ZAIT Cluster, which brings together IT companies in the Žilina region. My goal is to make Žilina a technology hub and an attractive place for professionals and students, supporting them in gaining practical experience and developing their skills.

Peter Vandliček

Panel Discussion: Stay or Leave? The Future of Young People in Žilina

I am dedicated to innovation in digital healthcare solutions, focusing on connecting technology with the real needs of doctors and developing products with high added value. I am also actively involved in supporting education in the Žilina region.

Pavol Šatala

Kotlin Through the Eyes of an iOS Developer

I am a mobile developer with over 15 years of experience. I began as a dedicated iOS developer and now enthusiastically explore the possibilities of Kotlin, not only for mobile development but also for backend applications. My goal is to bridge the long-divided worlds of iOS and Android and demonstrate how they can work in harmony.

Marcela Havrilová

Panel Discussion: Stay or Leave? The Future of Young People in Žilina

Ako Head of Education v najväčšom slovenskom coworku The Spot a zakladateľka Future Skills Hub vytváram priestor, kde v podpore celoživotného vzdelávania vznikajú prepojenia, ktoré prinášajú riešenia, inovácie a zlepšenia pre život ľudí, firiem, organizácií a spoločnosti. Digitálny mindset, transformácia vzdelávania, zručnosti budúcnosti, upskilling, nový svete práce a zvládanie zmien - aj to sú moje témy.

Tibor Kurina

Design and Implementation of a Multilayer Perceptron in a Big Data Environment

I am a long-time trainer and educator in UNIX operating systems, scripting languages, Big Data architecture, data analytics, and advanced analytics, with a special focus on machine learning.

Juraj Hajnala

How to Make Millions with a Free Mobile Game?

Juraj Hajnala’s studies and first job set him on a path toward the financial sector, but suit pants, attendance beeps, and bad coffee led him to the gaming industry instead. He has been working at Pixel Federation for seven years, serving as an analyst, game designer, and project owner, and is now exploring ways to implement AI into the company’s processes. In his free time, he enjoys spending time with family and friends, as well as tending to his vineyard.

Martin Kolcun

AI – Artificial Inspiration: Aspects, Problems, Solutions

As a Senior Technical Artist at Pixel Federation, I have shaped both creative and technical workflows. In R&D, I contributed to the development of TrainStation 3, led the transition to Blender, and created a central asset library along with a suite of tools to scale and secure future creative processes. Today, I integrate generative AI across departments in my role as AI Art Owner.

Ondrej Proksa

How We Built a Billion-Dollar Warehouse at Muziker! Data…

I graduated from FIIT STU and, in 2014, started a software development business with a school friend, focusing on custom development in Ruby on Rails. Since 2017, I have been working on the Muziker project — from replacing the e-shop platform built from scratch to gradually building an internal DEV department.

As a board member, I help decide the strategic direction of Muziker. Thanks to technology and a data-driven approach, Muziker has grown into a significant European e-commerce player, offering more than 100,000 products and selling to over 45 countries.

Ondřej Filip

Technical Challenges in Developing a Large Czech Language Model

Head of LLM Research at Seznam.cz.

Olga Shebanova

The Future of MedTech & AI “Made in Slovakia”

I am a healthcare visionary passionate about promoting health equity through digital transformation and innovation in personalized healthcare. I have spearheaded initiatives such as HEALTHCLIP, which were inspired by the EHDS philosophy even before its formal adoption by the European Commission.

With a diverse background in law, global healthcare project management, and digital innovation, I bring a holistic perspective and advocate for change in European healthcare systems. My experience spans leadership roles in startups and non-governmental organizations, as well as shaping digital health policies in multinational companies.

Oliver Kriška

Context Engineering: It's Not the Prompt, but the Context That Brings Results

I have nearly 20 years of real-world experience across startups and large platforms, spanning e-commerce, security, and fintech. I have progressed from developer to CTO. Today, at Enaia (an AI-powered CRM in New York), I combine traditional software development with AI and context engineering approaches that help teams deliver high-quality software faster and more reliably while improving the product itself.

Martin Tamajka

Large Language Models: A Powerful Tool, but Security Must Not Be Forgotten

I am a Senior Research Engineer at the Kempelen Institute for Intelligent Technologies, focusing on new methods in deep learning. My work includes natural language processing models and enhancing neural network transparency through explainability techniques.

I lead initiatives to improve the technical excellence of research engineering and develop research computing infrastructure. I have participated in and led several industrial collaborations and research projects, including creating a pan-European platform for researchers and facilitating technology transfer from AI research to various industrial sectors.

Tomáš Herceg

What Does Developing an Open-Source Framework Entail?

I have been a Microsoft MVP for 16 years, lecture at conferences on .NET and AI, and have authored a book on modernizing legacy applications. I am also actively involved in the development of the DotVVM open-source framework.

Tomáš Kriššák

Panel Discussion: Digital Resilience: How to Deal with Disinformation in the Cyber Era

An information security expert, Tomáš founded and leads the Checkbot and Sebavedomé Slovensko projects, as well as the educational platform HOPE – Hall of Positive Engagement, which focuses on critical thinking, values education, and media literacy. He currently works at the technology company Gerulata Technologies.

Martin Maštalír

Paradigm Shift – How to Attract More Women to Technical Fields

President AmCham Slovakia and General Manager Dell Technologies Slovensko

Peter Urban

Why Not Program Your Own E-Shop – The Build vs. Buy Dilemma in a Tech Company

Peter Urban is usually responsible for the technical vision and direction of large e-commerce companies. Over his 20-year career in software development, he has worked as a developer, team lead, tech product manager, and product manager. He co-founded a startup incubation program in Košice and is currently the CTO of Dedoles (formerly GymBeam), where he focuses on e-commerce innovation.

Juraj Masár

Beyond Borders and Back - Innovative Stories from Slovakia

CEO Better Stack

Jakub Stehlík

Multitenancy - strategies, provisioning, isolation

I first encountered cloud technologies eight years ago, toward the end of my university studies. Since then, I have worked on a variety of projects as a DevOps, Cloud, and Platform Engineer. Currently, I focus on the fascinating world of Kubernetes and Cloud Native technologies at Labyrinth Labs, and I enjoy sharing my experience at conferences and meetups.

Martin Adamek

Panel Discussion: Beyond Borders and Back: Innovative Stories from Slovakia

A programmer turned entrepreneur, Martin was one of the first Android developers and founded the software agency Inloop. When the company grew to 150 employees, it was acquired by the Czech firm Avast. He is now developing a new venture, Stuart Garage, which renovates and services classic Porsches. Here, he has returned to programming, creating internal web applications in Ruby on Rails, with plans to release one as a paid service.

Veronika Pizano

Paradigm Shift – How to Attract More Women to Technical Fields

COO AjTyvIT

Milan Peschl

How to Make Users Addicted (Not Only in Gaming)

I am an entrepreneur and startup founder who built a gaming studio from $0 to $5.5M in revenue within one year—while wearing a strawberry costume and with a $0 marketing budget, no influencers, bots, or fake followers. I am also the creator of several government digitalization projects within the EU and have over 10 years of experience building and optimizing digital products used by millions of users worldwide.

Rastislav Pečík

Container Security: From Creation to Operation

I am an Enterprise Architect, DevOps Engineer, and tech enthusiast, as well as a father of two—and, to add to the mix, I also work in sales. I have nearly 10 years of experience with containers and orchestration platforms, including those predating Kubernetes 😉. I am a long-time promoter and implementer of DevOps, with a particular passion for exploring the principles of DevSecOps. Certified Red Hat enthusiast.

Kateřina Ščavnická

Data Governance 101: Stop Firefighting, Start Engineering

Kateřina Ščavnická is an Engineering Lead at Kiwi.com, a leading Czech travel tech company. She is passionate about exploring the latest technology, driving innovation, and making data processes efficient and valuable. Her dedication to detail and persistent approach makes her a strong advocate for data governance and observability, where she applies product thinking to elevate data as a product.
Known for her vibrant and engaging personality, Kejty loves public speaking and sharing knowledge to broaden her perspectives on both technical and cultural dimensions of the tech landscape.

Fero Volár

The Essence of Leadership: Practical Experience

I am the Chief Growth Officer (CGO) at Labyrinth Labs, leading the marketing and sales team. I have over 20 years of experience in IT and cloud computing, helping medium and large companies design and operate solutions in infrastructure, containerization, scaling, and security.

With more than 10 years of experience in the B2B segment, I have worked across product management, marketing, and building international tech and sales teams. I am also a regular conference speaker, a trainer in cloud-native technologies and Kubernetes, and a consultant in productization, service design, and business strategy.

Dávid Tvrdoň

One-to-one discussion: Code and character — What separates a good developer from a leader?

I am a host, journalist, and podcast creator, best known for the technology podcast Link. I worked at the daily newspaper SME for 10 years, where I contributed to the digital subscription strategy, launched newsletters, and helped introduce podcasts. I co-founded skpodcasty, the largest database of Slovak podcasts, and I am also involved in organizing the Podcast of the Year awards.
In addition, I help media organizations around the world with digital strategy and create content at FatChilli for Publishers.

Ján Jakubčík

Innovations in image generation - from visual programming to generative UI’S

Software developer, architect and innovator. Currently working on “AI Rad Companion” and other generative AI prototypes.

Martin Kumecký

AI Workflows and AI Agents

I have been working at KROS for five years, primarily focusing on web backend applications. In recent years, I have actively studied and applied AI solutions, and I enjoy sharing the knowledge I have gained with others.

Ondřej Žára

10 Mistakes You Won’t Make in JS Anymore

Ondřej Žára frequently gives lectures at conferences and universities across the country. He also works at Seznam as a versatile developer. In his spare time, he is writing his second book on JavaScript.

Miroslava Filčáková

How AI Helps Society (AM)

Miroslava Filčáková is an AI Ambassador at GoodRequest and CTO of the technology startup elv.ai. At GoodRequest, she enjoys tackling challenging projects for clients, with a particular focus on developing web solutions using AI.

Katarína Klingová

Panel Discussion: Digital Resilience: How to Deal with Disinformation in the Cyber Era

Katarína Klingová is a Senior Research Fellow at GLOBSEC, where she has been leading research at the Center for Democracy and Resilience since 2016. She is the author of numerous analyses on hybrid threats, the impact of information operations and social media on democratic societies, and strategic communications. Previously, she worked for Transparency International Slovakia and the European Commission.

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