Stephan Janssen on Devoxx, Agentic Engineering and Staying Ahead of the Curve

Stephan Janssen is the founder of Devoxx, the largest chain of developer conferences in the world.

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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 still worth having as a senior engineer
44:28 What makes an amazing conference talk
49:17 Memorable Devoxx moments: hoverboards and proposals
55:20 Landing great speakers: bribing Joshua Bloch with Belgian beer
1:00:56 The future of Devoxx and DevRel in the age of AI agents
1:03:01 Robotics, local models, and what to learn next