Founding Engineer

ABOUT THE ROLE This is a founding-stage full-stack engineering role at an early-stage B2B SaaS cleantech startup building AI-powered software that controls and optimizes industrial and commercial battery storage assets. The platform addresses real-world energy challenges — including volatile electricity prices and underutilized battery capacity — through strategies like self-consumption optimization, peak shaving, spot market arbitrage, and dynamic tariff management. As a Founding Engineer, you will have an outsized impact on both product and company direction. You'll own core backend systems for real-time optimization and forecasting, build operator-facing dashboards, and architect the infrastructure needed to scale across thousands of battery systems. WHAT YOU'LL DO - Own and build the core product driving real-time optimization and forecasting for energy assets. - Develop backend services and mixed-integer optimization algorithms to process data in real time. - Create intuitive frontend dashboards for battery operators to monitor and control assets. - Design and scale cloud infrastructure to support thousands of battery systems. - Collaborate cross-functionally to define product features and requirements. - Deploy production-ready optimizations and iterate rapidly based on real-world feedback. WHAT WE'RE LOOKING FOR Must-haves (dealbreakers): - Frontend development skills with JavaScript/TypeScript and React (Next.js preferred). - Proven experience in a full-stack engineering role building and shipping production applications. Required: - Experience with Tailwind CSS. - Degree in Computer Science, Mathematics, or Electrical Engineering (Bachelor's or Master's) with a strong academic record (grade better than 2.0 on the German scale). - Startup experience — defined as a company younger than 3 years and fewer than 50 employees. - Experience with cloud infrastructure (AWS, GCP, or Azure). - Solid Python backend development experience, including mixed-integer optimization. - Fluency in German — required, as the majority of customers operate in German. Nice to have: - Background or experience in the energy industry. - Experience deploying optimizations in production systems. COMPENSATION & BENEFITS - Salary: $70,000 – $100,000 annually - Visa sponsorship: Available - Founding-stage equity and direct impact on company trajectory LOCATION This is a fully on-site role based in Munich, Germany. Candidates should be based in or willing to relocate to Munich.