Senior Software Engineer (m/f/d) Data

• build data products as production software by designing, implementing, testing, deploying, and operating end-to-end systems • bring backend engineering rigor to data through clean code, sensible APIs, automated testing, and strong observability • own systems end-to-end and stay responsible for incidents, operational quality, performance tuning, and continuous improvement • make data trustworthy by building quality checks, lineage, freshness, and clear ownership from the start • design schemas, data contracts and domain models that evolve safely, handle late data, and reflect real business questions • partner with product, engineering, and data science to deliver reliable, high-quality data and lift standards through active mentoring of mid-level and junior engineers • tune pipelines, services, and data models for reliability, performance, and cost-efficiency