Senior Backend Engineer (f/m/d)

Our Opportunity Over the past three years, Predium has built the leading real estate intelligence platform for ESG and value management in the DACH region - with the strongest names in the industry as customers: asset managers, housing companies, banks. Our customer base, our data, our credibility - that's valuable capital for the next step. Investment, credit, and asset management decisions in real estate are still made in Excel, case by case. We're now building the AI analyst that takes this work off people's hands - working directly on the customer's own data, scalable without adding headcount. We're well-funded, and we're bringing AI into real estate. Your Mission As a Senior Backend Engineer, you own the systems behind our platform: the GraphQL API, the relational data model, the background processing that turns customer documents and spreadsheets into structured data, and the permission model that lets a single owner and a bank with hundreds of portfolios use the same product. Most of your work runs from schema design all the way to the resolver. You partner with product, design and other engineers to make sure we build what matters - not just what you have been told to do. You take real responsibility for production: when something is slow, you find out why, whether the answer is a bad query, application code or the infrastructure underneath. You also help us make AI reliable in production. Document extraction, long-running analysis jobs and agentic features are core t