The photos from #geecon are now available! Check out the photo gallery and relive some of the best moments: photos.app.goo.gl/6kDsKNhubP… facebook.com/media/set/?set=…

What happens when AI coding agents move faster than your test environments? 🤖⚡ At #geecon, Tom Akehurst will explore “The AI-driven future of test environments” — from unreliable pre-prod setups to AI-powered simulated environments that can finally keep up with modern development. Creator of WireMock, Tom will show how simulation and AI can transform testing at enterprise scale. 2026.geecon.org/speakers/inf…

Proud to welcome @Revolut as a Sponsor of #geecon 2026! 🚀 From fintech innovation to engineering at scale, Revolut is redefining the way millions of people manage money worldwide. Meet them in Kraków on 14–15 May! revolut.com/

“Attackers don’t break crypto — they exploit assumptions.” 🔐 At #geecon, Marcin Łapaj will show how broken authorization, weak tenant boundaries, and compromised dependencies turn normal apps into breach machines. Talk: “Authorization & Dependencies: the two ways apps betray us” 2026.geecon.org/speakers/inf… #OWASP #CyberSecurity #DevSecOps

Meet Dominik Cebula — Cloud Software Principal Engineer at @HSBC, Udemy instructor, and book author with 17 years of experience building scalable cloud-native systems. At #geecon 2026 he’ll present “Short-Term & Long-Term Memory in an AI Agent with Spring AI” covering: • Spring AI Chat Client API • STM & LTM memory • MCP Servers & Tools • Building modern AI Agents 2026.geecon.org/speakers/inf…

After so many years of organizing #geecon, we've honestly lost track of all the details. Luckily, Peter Kofler didn't. Since 2009 he's been documenting the journey. A virtual #geecon museum, memories, swag, and a bit of nostalgia: geecon-museum.code-cop.org Thanks, Peter, and everyone who's been with us since the beginning.

We’re excited to welcome François Martin with his talk: “82 Bugs I Collected in a Year You Won’t Believe Made It to Production” François shares real-world production bugs from everyday apps and websites, showing what went wrong, why it happened, and how to prevent similar issues in your own systems. A practical, eye-opening talk full of lessons for anyone building or testing software. 2026.geecon.org/speakers/inf…

Excited to welcome @jetbrains as a Silver Sponsor of #geecon 2026! 🚀 Creators of tools loved by developers worldwide, @jetbrains continues to shape the future of software engineering with innovation and developer-first products. jetbrains.com/

What if AI stopped building TODO apps… and started playing Final Fantasy instead? 🎮🤖 At #geecon 2026, @ArturSkowronski will show how an LLM learns to play Final Fantasy I through a custom Kotlin NES emulator — exploring agents, memory dumps, hallucinations, latency, and why game worlds are the perfect playground for AI systems. No buzzwords. No “vibe coding.” Just real experimentation with AI agents. 📅 14–15 May 2026, Kraków, Poland 2026.geecon.org/speakers/inf… #AI #LLM #Kotlin #Java #AIagents

We’re beyond excited to welcome @HSBC as our Platinum Partner at #GeeCON 2026 💎🚀 HSBC is a global bank powered by technology – connecting customers around the world and helping keep them protected every day. hsbc.com/

What happens when AI agents get their own desktop environments? 👀 At #geecon, Tomas Rehak (@trehak1) will show how long-living VM environments, local user context, and powerful tooling unlock entirely new possibilities for agentic AI applications. A practical lightning talk packed with real-world insights and code previews 🚀 📆 14–15 May 2026, Kraków 👉 2026.geecon.org/speakers/inf… #AI #AgenticAI #Java #SoftwareEngineering

Meet Dariusz Jędrzejczyk (@chemicL) at #geecon 2026 🚀 Unifying AI integration with Model Context Protocol (MCP) — learn how to connect AI with real-world systems using a structured, scalable approach. From Spring AI MCP to building client & server components, this session is packed with practical insights and live coding. 📆 14–15 May 2026, Kraków 👉 2026.geecon.org/ #AI #Spring #Java #MCP #SoftwareEngineering

#geecon is more than just talks. Join expert-led panel discussions, explore real-world use cases, and hear diverse perspectives from top speakers shaping modern software development. From AI Agents to architecture, performance, and beyond — this is where ideas meet practice. ⏳ Only 7 days left to register! 📆 14–15 May 2026, Kraków, Poland 👉 2026.geecon.org/ #AI #Java #JVM #Cloud #Architecture #Performance #PanelDiscussion

Please welcome @VirtusLab as a Silver #geecon 2026 sponsor. @VirtusLab is a software engineering & tooling company, delivering scalable systems for companies around the world. They bring the AI revolution to life, testing, developing and first of all using AI-based development tools to improve the software development lifecycle. What sets them apart is a strong focus on community, open source and continuous learning. They actively contribute to the tech ecosystem, organize conferences, run reading clubs, knowledge-sharing sessions and demos almost daily. They are growing and looking for open-minded engineers — experts in their field who are also willing to learn new technologies and methodologies. Check out their offers at: careers.virtuslab.com/

🚀 When your Java app is slow, are you measuring the right thing? Join Johannes Bechberger to explore the brand-new CPU-Time Profiler in JDK 25 (JEP 509) — and learn why execution time alone can mislead you. Get ready for deeper, more accurate profiling insights straight from one of the minds behind the tool. 2026.geecon.org/speakers/inf… #Java #JDK25 #Performance #Profiling

Code quality isn’t just a developer’s job 👀 Join Annelore Egger to discover how business decisions, collaboration, and communication shape the code we write. Learn how teams can reduce complexity and build software that truly scales. 👉 “Why Bad Code Quality Is Not (Only) Your Fault” 2026.geecon.org/speakers/inf… #SoftwareEngineering #CodeQuality #Teamwork

Technical debt: we all hate it… yet we all live with it. Join Tomer Gabel (@tomerg) for “Mob Rules, or: how I learned to Stop Worrying and Love Technical Debt” — a sharp, honest dive into why debt happens, why we argue about it, and how to actually move forward. Less dogma. More clarity. 2026.geecon.org/speakers/inf…

Welcome aboard, SoftNet! 🚀 We’re excited to have SoftNet with us — a team building modern, secure, and scalable IT solutions for cooperative banks and driving digital transformation in the financial sector. From e-banking to system integrations, their technology supports thousands of users across Poland every day. Glad to have you with us! 🤝2026.geecon.org/partners/sof…

Meet Szymon Sadowski at our conference 🎤 With 8 years in software engineering (Java, cloud & platform engineering), he treats coding as craft, not rush — and believes sharing knowledge makes teams stronger. 🚀 Talk: “Reviewing the Reviewer: Better PR Feedback” What if opening a PR felt like applause, not anxiety? Learn how constructive, ego-free feedback can boost team velocity and code quality. 2026.geecon.org/speakers/inf…