Senior Backend Engineer – Python
BeatSquares • Berlin, Berlin • Posted June 03, 2026
Position Overview
Your mission
You'll be responsible for the technical backbone of our product—shaping architecture decisions, evolving production systems, and setting the engineering standard as our team grows:
- Define and evolve our backend architecture—making strategic decisions on service boundaries, data flows, and scaling patterns.
- Design and build high-throughput content ingestion and transformation pipelines that reliably process thousands of articles daily.
- Own the full lifecycle of our core API services (FastAPI)—from design through deployment to operational excellence.
- Establish backend engineering standards: code quality, testing strategies, documentation practices, and review processes.
- Drive infrastructure decisions—evaluate trade-offs between cloud services, optimize costs, and ensure our systems are observable and resilient.
- Mentor and guide future engineering hires as the team scales.