Around 50 children joined us for #JNationKids, exploring programming, algorithms and computational thinking through the Ubbu platform and the ZX Spectrum Museum workshop. Trust us: the next generation of creators, builders and problem-solvers is already here! #JNation #STEM #Coimbra

The Old Church may have gone quiet, but the conversations are far from over. The room hosted discussions on web development, AI, accessibility, architecture and developer experience throughout JNation 2026. Every session is now available on YouTube. #JNation #Java #WebDevelopment #AI #Coimbra

Martijn Verburg, Mario Fusco, Guillaume Laforge, Mihaela Gheorghe-Roman and Penousal Machado are now discussing software engineering in the age of AI at #JNation. #AI #SoftwareEngineering #Coimbra

Charly Gomez is now discussing stacktraces, sourcemaps and debugging workflows at #JNation. #Frontend #Observability #Coimbra

Simon Schrottner is now discussing feature flags and OpenFeature at #JNation. #Java #DevOps #Architecture #Coimbra

Micro frontends promise scalability and autonomy - but they also introduce a whole new set of challenges. Dan Neciu is now exploring the relationship between frontend architecture, complexity and developer experience. #JNation #Frontend #MicroFrontends #WebDevelopment #Coimbra

Sometimes the best way to learn more about code is by forcing yourself to write less of it. Guus de Wit is now exploring creative coding constraints with a challenge: building Snake in just 10 lines. #JNation #Programming #JavaScript #SoftwareEngineering #Coimbra

Prompt injection is becoming one of the most important security challenges in modern AI systems. Brian Vermeer is now exploring how these attacks work and what developers should understand when building AI-powered applications. #JNation #AI #Security #SoftwareEngineering #Coimbra @brianvermeer.nl

DuckDB is quickly becoming one of the most talked-about tools in modern data engineering. Andrei Novov is now exploring how Java developers can work with DuckDB for fast analytical workloads and lightweight data processing. #JNation #Java #Databases #DataEngineering #Coimbra

Frontend frameworks keep evolving by borrowing ideas from each other. Erik Rasmussen is now exploring Ripple and how concepts from React, Svelte and Solid can combine into a different approach to modern web development. #JNation #Frontend #WebDevelopment #JavaScript #Coimbra @erikras.com

Performance gains rarely come from a single optimisation. Harshil Agrawal is now exploring the engineering decisions and system improvements behind reducing latency from 3000ms to 300ms. #JNation #Performance #SoftwareEngineering #Architecture #Coimbra

Production incidents already come with enough chaos. AI just added a new layer to the conversation. Luis Ventura is now exploring whether AI is becoming the cure for engineering problems - or part of the sickness itself. #JNation #AI #SoftwareEngineering #DevOps #Coimbra

Pasha Finkelshteyn and Anton Arhipov are now comparing Liquibase and Flyway in a technical showdown focused on workflows, rollbacks and developer experience. #JNation #Java #SpringBoot #databases #Coimbra @asm0dey.site @antonarhipov.bsky.social

What if digital credentials could be verified without relying on centralized trust models? Sergey Beryozkin is now exploring Verifiable Credentials, digital identity systems and the future of trusted online interactions. #JNation #Security #Identity #Coimbra @sberyozkin.bsky.social

AI pair programmers become a lot more interesting once personality enters the equation. Alexander Chatzizacharias is now exploring playful AI workflows, local models and RAG-based pair programming systems. #JNation #AI #Java #RAG #Coimbra @glycin.bsky.social

Old language? Maybe. Old ideas? Definitely not. A N M Bazlur Rahman is now exploring how Java 25 continues to evolve the language, the JVM and modern developer workflows. #JNation #Java #JVM #SoftwareEngineering #Coimbra

Static architectures solve many problems - right until real-time content updates enter the conversation. Andy Damevin is now exploring how Roq bridges the gap between maintainable static systems and live CMS-driven workflows. #JNation #WebDevelopment #CMS #Architecture @ia3andy.bsky.social

Daniel Afonso, Faris Aziz, Atila Fassina, Ramona Schwering, Mark Erikson and Mikhail Korolev are now discussing the state of web development in 2026 at #JNation. #Java #WebDevelopment #Frontend #Coimbra

Quantum computing may still feel futuristic - but the leadership and architectural questions are already here. Cristian Schuszter is now exploring what tech leadership could look like in a quantum-driven future. #JNation #QuantumComputing #Leadership #SoftwareEngineering #Coimbra

AI agents become a lot more interesting once they can actually work together. Loïc Magnette is now exploring A2A architectures and how interoperable agents communicate and collaborate across systems. #JNation #AI #MachineLearning #SoftwareEngineering #Coimbra

“The Cake Is a Lie”… and apparently accessible login flows often are too. Ramona Schwering is now exploring the accessibility challenges hidden inside authentication systems, forms and everyday user interactions. #JNation #Accessibility #WebDevelopment #UX #Coimbra #Java @leichteckig.bsky.social

Everything works perfectly…until multiple threads decide otherwise! Heinz Kabutz is now exploring concurrency, thread safety and the hidden challenges behind reliable Java systems. #JNation #Java #JVM #Concurrency #Coimbra

The web solved many things. But definitely not everything. Mikhail Korolev is now exploring the technical trade-offs, limitations and architectural challenges behind modern web applications. #JNation #WebDevelopment #SoftwareEngineering #Architecture #Coimbra

Sustainability is now part of the software engineering discussion. Patrick Baumgartner is exploring how Spring Boot applications can reduce resource consumption and become more energy-efficient through greener coding practices. #JNation #Java #SpringBoot #GreenCoding #Coimbra

Subtle shifts in metrics can sometimes say more than critical alerts. Using practical examples and real metric data, Diana Todea is now exploring anomaly detection and observability strategies for modern systems. #JNation #Observability #DevOps #Cloud #Coimbra @didiviking.bsky.social

Sven Peters is now exploring the gap between AI hype and real developer productivity. From engineering workflows to human–agent collaboration, this session focuses on what actually improves the way teams work. #JNation #AI #SoftwareEngineering #Coimbra @svenpet.bsky.social

Building accessible applications starts long before production. Rita Castro is now exploring how test-driven development practices can help teams improve accessibility throughout the development process. #JNation #Accessibility #TDD #SoftwareEngineering #Coimbra #Java

Spring Boot 4 is now on stage with Josh Long! From observability and cloud-native systems to AI integrations and modern Java development, this session explores what’s next for the Spring ecosystem. #JNation #Java #SpringBoot #Cloud #Coimbra @starbuxman.joshlong.com

Not every AI project needs to become a monetisation strategy! Sara Vieira is now exploring the more absurd, creative and sometimes questionable side of AI-driven products and online culture. #JNation #AI #SoftwareEngineering #Coimbra #Java

Managed runtimes meet low-level programming in this session with Jarosław Pałka. From memory management to systems-level thinking, this talk explores the differences between Java and C - and what developers learn when moving between both worlds. #JNation #Java #CProgramming #JVM #Coimbra