Senior Backend Software Engineer (Lead)

The Senior Backend Software Engineer (Lead) will be a member of the core team building the Quantum Key Distribution system. The role spans defining clear service boundaries, integrating with FPGA/embedded subsystems, and turning requirements into reliable, observable software.

Requirements

• 5+ years of Python backend development
• 3+ years owning service architecture and leading small teams
• Strong Linux async Python (asyncio, websockets), concurrency (threads/processes), profiling/tuning
• Proven hardware/FPGA/embedded integration over UART/USB/PCIe/Ethernet; stable control/data-plane API design
• CI/CD with Docker and GitHub Actions; automated testing, static analysis, artifact management
• Production observability (logging/metrics/tracing) and incident/debug practices
• Security-by-default mindset: secrets, secure transport, key/crypto hygiene
• Working knowledge of relational/key-value /time-series stores (PostgreSQL/Redis/Prometheus)
• Proficiency in written and spoken English
• Ability to be on-site in Munich office several times per week

Benefits

• High degree of freedom working remotely or joining one of our office spaces
• Welcoming, friendly, and professional colleagues
• A personal development plan with clear goals for advancement
• A competitive salary
• Flexible working arrangements
• A diverse and supportive atmosphere, where innovation and initiative are encouraged