Product Engineer (m/f/x)

As a Product Engineer, you build the company's Energy OS product end to end: designing and shipping user-facing features across the Digital Twin, Designer, Operator and Portfolio Manager modules, from concept and design through to production. You develop AI agents that read digital twins, run optimizations and explain plans, deploying them into individual customer installations and evaluating them against real customer data. The role spans full-stack work — API, database and optimization service interfaces — as well as owning CI/CD and keeping live data flows from customer IT/OT systems, market data and public APIs running reliably. You work with short feedback loops directly from industrial customers, with high ownership and low ceremony.