geecon
@geecon.bsky.social
Java and JVM based technologies, dynamic languages, enterprise architectures, patterns, distributed computing, AI and more
https://geecon.org/ Kraków, 14-15 May 2026
https://geecon.org/ Kraków, 14-15 May 2026
Save the dates – 14–15 May 2026. GeeCON is coming better than ever!
2026.geecon.org
2026.geecon.org
November 14, 2025 at 12:02 PM
Save the dates – 14–15 May 2026. GeeCON is coming better than ever!
2026.geecon.org
2026.geecon.org
🎥 Access GeeCON 2025 recordings & help our little friend Kuba!
If you couldn’t attend GeeCON, you can still donate ~35 EUR at 2025.geecon.org/recordings/ to get full access to the videos.
Let’s show the strength of the Java community once again! 💪
#fundraiser #charity #geecon
If you couldn’t attend GeeCON, you can still donate ~35 EUR at 2025.geecon.org/recordings/ to get full access to the videos.
Let’s show the strength of the Java community once again! 💪
#fundraiser #charity #geecon
June 26, 2025 at 11:05 AM
🎥 Access GeeCON 2025 recordings & help our little friend Kuba!
If you couldn’t attend GeeCON, you can still donate ~35 EUR at 2025.geecon.org/recordings/ to get full access to the videos.
Let’s show the strength of the Java community once again! 💪
#fundraiser #charity #geecon
If you couldn’t attend GeeCON, you can still donate ~35 EUR at 2025.geecon.org/recordings/ to get full access to the videos.
Let’s show the strength of the Java community once again! 💪
#fundraiser #charity #geecon
Familiar with Java streams? Time to take the next step! Ron Veen (@ronveen) at #geecon will reveal the secrets of Stream Gatherers and how to create advanced custom operations that transform data processing. Expect hands-on insights! 2025.geecon.org/speakers/inf...
May 13, 2025 at 3:01 PM
Familiar with Java streams? Time to take the next step! Ron Veen (@ronveen) at #geecon will reveal the secrets of Stream Gatherers and how to create advanced custom operations that transform data processing. Expect hands-on insights! 2025.geecon.org/speakers/inf...
Domain-Driven Design sounds great, but are we always building good models? Vadzim Prudnikau at #geecon will show how to avoid traps and mistakes that lead to… useless models. Get ready for some hard truths! 2025.geecon.org/speakers/inf...
May 13, 2025 at 10:30 AM
Domain-Driven Design sounds great, but are we always building good models? Vadzim Prudnikau at #geecon will show how to avoid traps and mistakes that lead to… useless models. Get ready for some hard truths! 2025.geecon.org/speakers/inf...
Let’s welcome Viktor Gamov from Confluent, who will show at #geecon 2025 that stream processing in Java is more than tech – it’s a real adventure. Want to see how the pros do it? Don’t miss it! 2025.geecon.org/speakers/inf...
May 13, 2025 at 6:24 AM
Let’s welcome Viktor Gamov from Confluent, who will show at #geecon 2025 that stream processing in Java is more than tech – it’s a real adventure. Want to see how the pros do it? Don’t miss it! 2025.geecon.org/speakers/inf...
Join #geecon 2025 and meet Otavio Santana – Java master, open source leader, and Duke’s Choice Award winner! Discover how he simplifies database operations for modern architectures and inspires you to reach higher. Learn from a true innowator shaping the future. 2025.geecon.org/speakers/inf...
May 12, 2025 at 12:39 PM
Join #geecon 2025 and meet Otavio Santana – Java master, open source leader, and Duke’s Choice Award winner! Discover how he simplifies database operations for modern architectures and inspires you to reach higher. Learn from a true innowator shaping the future. 2025.geecon.org/speakers/inf...
Thrilled to have Michał Gawarzyński, Engineering Manager @Allegro, join us to share his insights on “The Art of Trade-off”. Learn how Allegro’s marketing automation system processes 25,000+ incoming events...
2025.geecon.org/speakers/inf...
2025.geecon.org/speakers/inf...
May 12, 2025 at 10:07 AM
Thrilled to have Michał Gawarzyński, Engineering Manager @Allegro, join us to share his insights on “The Art of Trade-off”. Learn how Allegro’s marketing automation system processes 25,000+ incoming events...
2025.geecon.org/speakers/inf...
2025.geecon.org/speakers/inf...
Excited to welcome Bazlur Rahman (@bazlur.ca) – Java Champion, author, and speaker – to our stage! Join his session, “Java + LLMs: A Hands-on Guide to Building LLM Apps in Java”, for a deep dive into harnessing the power of Java for large language model applications. 2025.geecon.org/speakers/inf...
May 12, 2025 at 5:59 AM
Excited to welcome Bazlur Rahman (@bazlur.ca) – Java Champion, author, and speaker – to our stage! Join his session, “Java + LLMs: A Hands-on Guide to Building LLM Apps in Java”, for a deep dive into harnessing the power of Java for large language model applications. 2025.geecon.org/speakers/inf...
Meet Piotr Łaskawiec at #geecon 2025! JVM expert and pragmatic problem-solver reveals how GenAI can work smoothly in your app. Join us and experience the future of software! 2025.geecon.org/speakers/inf...
May 8, 2025 at 6:37 PM
Meet Piotr Łaskawiec at #geecon 2025! JVM expert and pragmatic problem-solver reveals how GenAI can work smoothly in your app. Join us and experience the future of software! 2025.geecon.org/speakers/inf...
Mads Opheim (@madsopheim.com) is about to take the #geecon stage! With political insight and a passion for modern practices, he’ll show how diverse experiences turn a developer into a leader who inspires others. 2025.geecon.org/speakers/inf...
May 8, 2025 at 8:50 AM
Mads Opheim (@madsopheim.com) is about to take the #geecon stage! With political insight and a passion for modern practices, he’ll show how diverse experiences turn a developer into a leader who inspires others. 2025.geecon.org/speakers/inf...
Dylan Beattie (@dylanbeatt.ie) is about to take the keynote stage at #geecon! 🤟 With his unique blend of tech expertise and rockstar flair, he'll show you how to become a coding legend. Get ready for a session that combines code, comedy, and rock 'n' roll!
2025.geecon.org/speakers/inf...
2025.geecon.org/speakers/inf...
May 7, 2025 at 7:25 AM
Dylan Beattie (@dylanbeatt.ie) is about to take the keynote stage at #geecon! 🤟 With his unique blend of tech expertise and rockstar flair, he'll show you how to become a coding legend. Get ready for a session that combines code, comedy, and rock 'n' roll!
2025.geecon.org/speakers/inf...
2025.geecon.org/speakers/inf...
Meet Andrus Adamchik at #geecon 2025. He will show you how to wield Java data like a Swiss Army knife — versatile, powerful, and indispensable. Get ready for insights that will sharpen your code and your thinking! 2025.geecon.org/speakers/inf...
May 6, 2025 at 3:09 PM
Meet Andrus Adamchik at #geecon 2025. He will show you how to wield Java data like a Swiss Army knife — versatile, powerful, and indispensable. Get ready for insights that will sharpen your code and your thinking! 2025.geecon.org/speakers/inf...
A big thank you to Allegro (allegro.tech) for joining #geecon as a Gold level sponsor once again!
2025.geecon.org/partners/all...
2025.geecon.org/partners/all...
May 6, 2025 at 7:21 AM
A big thank you to Allegro (allegro.tech) for joining #geecon as a Gold level sponsor once again!
2025.geecon.org/partners/all...
2025.geecon.org/partners/all...
How do you handle 500TB of audit logs without breaking the bank? In his #geecon talk, Jacek Marmuszewski will show how cloud-native architecture and smart DevOps practices make it possible — fast, scalable, and cost-effective. 2025.geecon.org/speakers/inf...
May 6, 2025 at 6:37 AM
How do you handle 500TB of audit logs without breaking the bank? In his #geecon talk, Jacek Marmuszewski will show how cloud-native architecture and smart DevOps practices make it possible — fast, scalable, and cost-effective. 2025.geecon.org/speakers/inf...
Are Java streams always the answer? Maurice Naftalin (@mauricenaftalin.bsky.social), author and Java expert, will share his insights at #geecon. Discover the strengths and limitations of streams in real-world scenarios. 2025.geecon.org/speakers/inf...
May 5, 2025 at 9:44 AM
Are Java streams always the answer? Maurice Naftalin (@mauricenaftalin.bsky.social), author and Java expert, will share his insights at #geecon. Discover the strengths and limitations of streams in real-world scenarios. 2025.geecon.org/speakers/inf...
Szymon Sadowski is about to turn your CI pipelines into a well-oiled machine! Expect practical hacks that make automation not just efficient, but downright enjoyable. Ready to develop smarter, not harder? 2025.geecon.org/speakers/inf...
May 2, 2025 at 10:46 AM
Szymon Sadowski is about to turn your CI pipelines into a well-oiled machine! Expect practical hacks that make automation not just efficient, but downright enjoyable. Ready to develop smarter, not harder? 2025.geecon.org/speakers/inf...
Leonid Igolnik (Clari EVP of Engineering) challenges conventional thinking on #AI in software dev — with the clarity of someone who’s built at global scale. 2025.geecon.org/speakers/inf...
April 30, 2025 at 9:04 AM
Leonid Igolnik (Clari EVP of Engineering) challenges conventional thinking on #AI in software dev — with the clarity of someone who’s built at global scale. 2025.geecon.org/speakers/inf...
Take AI to the next level with Gemini 2.0! Márton Kodok will demonstrate how to create intelligent agents capable of multi-turn workflows at #geecon. Don't miss this opportunity! 2025.geecon.org/speakers/inf...
April 29, 2025 at 12:46 PM
Take AI to the next level with Gemini 2.0! Márton Kodok will demonstrate how to create intelligent agents capable of multi-turn workflows at #geecon. Don't miss this opportunity! 2025.geecon.org/speakers/inf...
Baruch Sadogursky is bringing a fresh perspective to #geecon! Discover how insights from psychology can help developers balance speed and precision in their work.
Ready to rethink your approach?
2025.geecon.org/speakers/inf...
Ready to rethink your approach?
2025.geecon.org/speakers/inf...
April 28, 2025 at 9:18 AM
Baruch Sadogursky is bringing a fresh perspective to #geecon! Discover how insights from psychology can help developers balance speed and precision in their work.
Ready to rethink your approach?
2025.geecon.org/speakers/inf...
Ready to rethink your approach?
2025.geecon.org/speakers/inf...
Mateusz Rzeszutek (Staff Software Engineer at Clari) will show how Arrow + Flight SQL are reshaping how database frontends communicate. Includes a JDBC comparison and a live demo!
Join him at #geecon!
2025.geecon.org/speakers/inf...
#ApacheArrow #FlightSQL #Java
Join him at #geecon!
2025.geecon.org/speakers/inf...
#ApacheArrow #FlightSQL #Java
April 24, 2025 at 3:00 PM
Mateusz Rzeszutek (Staff Software Engineer at Clari) will show how Arrow + Flight SQL are reshaping how database frontends communicate. Includes a JDBC comparison and a live demo!
Join him at #geecon!
2025.geecon.org/speakers/inf...
#ApacheArrow #FlightSQL #Java
Join him at #geecon!
2025.geecon.org/speakers/inf...
#ApacheArrow #FlightSQL #Java
Great thanks Sabre Poland (www.sabre.com/locations/po...) for joining #geecon Silver sponsors once again! 2025.geecon.org/partners/sab...
April 24, 2025 at 9:56 AM
Great thanks Sabre Poland (www.sabre.com/locations/po...) for joining #geecon Silver sponsors once again! 2025.geecon.org/partners/sab...
The #geecon 2025 schedule is here! Packed with world-class speakers, hot topics, and unmissable sessions #java, #JVM, #AI, #FP, #cloud, #architecture, #performance, #DevOps, #TeamCulture.
Dive in, plan your days, and join us for our 15th anniversary edition!
2025.geecon.org/schedule/
Dive in, plan your days, and join us for our 15th anniversary edition!
2025.geecon.org/schedule/
April 17, 2025 at 7:45 AM
The #geecon 2025 schedule is here! Packed with world-class speakers, hot topics, and unmissable sessions #java, #JVM, #AI, #FP, #cloud, #architecture, #performance, #DevOps, #TeamCulture.
Dive in, plan your days, and join us for our 15th anniversary edition!
2025.geecon.org/schedule/
Dive in, plan your days, and join us for our 15th anniversary edition!
2025.geecon.org/schedule/
What if data could tell stories? Josef Goldstein will show you how words are changing the game at #geecon. Join him to explore the future of data communication! 2025.geecon.org/speakers/inf...
April 15, 2025 at 10:50 AM
What if data could tell stories? Josef Goldstein will show you how words are changing the game at #geecon. Join him to explore the future of data communication! 2025.geecon.org/speakers/inf...
Artur Skowroński brings over a decade of JVM expertise to #geecon 2025! Discover how groundbreaking tools are shaping Java’s role in AI-driven development. Ready for a glimpse into the future? 2025.geecon.org/speakers/inf...
April 14, 2025 at 9:38 AM
Artur Skowroński brings over a decade of JVM expertise to #geecon 2025! Discover how groundbreaking tools are shaping Java’s role in AI-driven development. Ready for a glimpse into the future? 2025.geecon.org/speakers/inf...
They say, "Every line of code brings us closer to innovation". We’re thrilled to introduce our Platinum Sponsor for #geecon 2025 – give it up for Tesco Technology!
Say hello to their team and check out latest opportunities: www.tesco.com/careers/en-G...
#TescosTomorrowMadeByYou #TescoTechnology
Say hello to their team and check out latest opportunities: www.tesco.com/careers/en-G...
#TescosTomorrowMadeByYou #TescoTechnology
April 11, 2025 at 9:59 AM
They say, "Every line of code brings us closer to innovation". We’re thrilled to introduce our Platinum Sponsor for #geecon 2025 – give it up for Tesco Technology!
Say hello to their team and check out latest opportunities: www.tesco.com/careers/en-G...
#TescosTomorrowMadeByYou #TescoTechnology
Say hello to their team and check out latest opportunities: www.tesco.com/careers/en-G...
#TescosTomorrowMadeByYou #TescoTechnology