> Markdown version of [/@jens-happe](https://www.wearedevelopers.com/@jens-happe). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Jens Happe Head of Software Engineering at Chrono24 building scalable tech organizations. ## About Jens Happe leads software engineering at Chrono24, a watch marketplace serving over nine million active users. He previously built a performance engineering team at SAP to help developers create highly scalable applications, and holds a PhD in software engineering. He focuses on the organizational and technical friction that hits fast-growing tech companies. Rather than relying on heavy agile frameworks, his work explores alternative structures like Team Topologies to keep scaling fast and user-centric. Jens also founded Sparkteams, a consultancy helping tech organizations untangle their software development processes. ## Past Sessions ### World Congress 2024 · July 17, 2024 Berlin, Germany - [Reshaping Tech Organizations for Efficient Scaling of Agile Practices – Lessons from the Field](https://www.wearedevelopers.com/events/world-congress-2024/sessions/277-reshaping-tech) · 30 min ## WeAreDevelopers LIVE - [Single Server, Global Reach: Running a Worldwide Marketplace on Bare Metal in a Cloud-Dominated World](https://www.wearedevelopers.com/videos/1206-single-server-global-reach-running-a-worldwide-marketplace-on-bare-metal-in-a-cloud-dominated-world) · Jens Happe - [Write tests you love, not hate](https://www.wearedevelopers.com/videos/662-write-tests-you-love-not-hate) · Jens Happe