Stephan Janssen is the founder of Devoxx, the largest chain of developer conferences in the world. --- 0:00 Intro 1:13 Vibe coding the Devoxx Companion app 5:30 Spec-driven development and the client-side validation bug 9:00 Token economics: spending €500 in one hour 15:00 Selfware and local models on Mac Studio 17:15 AI trends at Devoxx: MCP, agentic engineering, vibe coding's death 23:00 DHH's 180° and the developer renaissance 31:00 AI alignment and the Hugging Face agent incident 39:48 Skills

Trisha Gee is a software engineer with more than 20 yeras of experience, a Java Champion and author of several books on Java and developer productivity. She is a frequent conference and keynote speaker and has held many roles around developer advocacy, training, consulting, and now managing an open-source project (the Aeron messaging protocol). You can find Trisha's work at https://trishagee.com/ --- 0:00 Intro 0:54 The Rise and Fall of Stack Overflow 5:05 Shortcuts vs. Fundamentals: Where to

Daniel Spiewak is known for spearheading Cats Effect, one of the major effect systems in the Scala ecosystem, and for leading Typelevel, a mini-ecosystem of libraries and tools for functional programming in Scala. He's held various senior engineering roles and is currently working for NVidia as a distinguished engineer. --- 0:00 Intro 1:00 Cats Effect 3.7 and Scala Native multithreading 6:30 Building async I/O from scratch on LLVM 9:30 The integrated runtime: replacing Java NIO on the JVM 13:30

Dr. Venkat Subramaniam is an engineer, a professor at University of Houston, an author of more than 10 programming books, and a prolific speaker at technical conferences. He's trained tens of thousands of software engineers all across the world, consulted dozens of companies, and he's recognized as a Java Champion since 2013. You can find Venkat's work at https://agiledeveloper.com/ --- 0:00 Intro 1:07 AI as an amplifier: smart gets smarter 3:02 Why automated testing matters more with AI 7:38 The

Magnus Madsen is an associate computer science professor at Aarhus University and the creator of the Flix programming language. --- 0:00 Intro 1:37 Flix fundamentals and design philosophy 3:57 Effect systems in the language vs. as a library 6:30 Effects as checked exceptions 10:57 Type inference and effect propagation 15:53 LLMs and Flix code generation 22:47 Datalog inside Flix 32:13 Research language vs. industry needs 37:03 Compiler tooling and VS Code integration 49:02 No warnings, only

Richard Eisenberg is a language designer and compiler engineer for OCaml at Jane Street and a core contributor to the Haskell language. He focuses on static type systems and functional programming to make software more reliable, while maintaining ease of use and runtime efficiency. Richard has also taught various computer science topics to both university and high school students, and he holds a PhD from the University of Pennsylvania. You can find Richard's work at https://richarde.dev/ --- 0:00

Sam Newman is an engineer and consultant, specialized in service architecture. He's the author of the books Building Microservices and Monolith to Microservices, and has helped many companies make informed choices about their service architecture. His forthcoming book is Building Resilient Distributed Systems. You can find Sam on his website https://samnewman.io/. --- 0:00 Intro 0:57 The distributed monolith trap 6:30 Structured programming fundamentals most devs skip 10:00 Why long-lived teams

Daniel Spiewak is known for spearheading Cats Effect, one of the major effect systems in the Scala ecosystem, and for leading Typelevel, a mini-ecosystem of libraries and tools for functional programming in Scala. He's held various senior engineering roles and is currently working for NVidia as a distinguished engineer. --- 0:00 Intro 0:40 Cats Effect 3.7 and Scala Native multithreading 6:26 The integrated runtime: replacing Java NIO on the JVM 12:00 Scala Native vs the JVM for cloud-native

Simon Peyton Jones is a computer scientist in the true sense of the word, and the lead designer of the Haskell programming language and the GHC. He's a fellow of the Royal Society and the ACM and has won many awards (including the SIGPLAN award) for his contributions to programming language design. Simon is currently working for Epic Games with the CEO Tim Sweeney on Verse, a programming language that brings functional programming to video games. --- 0:00 Intro 1:42 Origins of type classes in