Founding Engineer

You'll build the core product that controls billions in energy assets: Backend systems for real-time optimization and forecastingFrontend for battery operators and industrial customersInfrastructure to scale across thousands of battery systems You Will Have Fun If You Are Builder with agency Get-shit-done mentality — you ship fast and iterateHigh ownership — you develop ideas and execute with minimal guidanceProduct-minded — you solve customer problems end-to-end Deeply technical Strong full-stack engineering fundamentalsMath/optimization skills highly valuedExcited about complex technical challenges Mission-driven Passionate about energy transition and climate impactThrive in early-stage chaos and ambiguity (e.g. "What about a release today?")Ready to go all in and take real ownership You Won't Have Fun If You Like to follow processes — we don't have anyWant a typical 9-5Want to work remotely — we're in the office at least 5 days/weekLike coding all day long — at least 20% of your work is talking to customers Qualifications Experience in a full-stack engineering role, building production applicationsFrontend development skills with JavaScript/TypeScript, React (preferably with Next.js), and Tailwind CSSSolid backend development experience with Python and mixed integer optimizationsExperience with cloud infrastructure (AWS/GCP/Azure)Speak fluently German because most of our customers only speak German Don't worry if you don't have all of the above. We believe much more in the right mindset than the right experience. We happily teach you a lot and thus prefer fast-learners over high experience. Perks Super small team, super early → you're not only part of our culture, you will shape itResponsibility from day one → the best idea wins, regardless of who it comes fromAll the tools you need → Cursor, AI subscriptions, whatever helps you ship fasterDirect customer access → build what matters, see impact immediatelyMunich-based → work alongside founders solving hard problems together€70-100K salary + equity as Full Time€20/h as working student