Senior Software Engineer (m/w/d)

Founded in Munich in 2025, Loxo Labs GmbH develops modular infrastructure systems that enable scalable autonomous drone operations. Our solutions cover the secure transport, storage, power supply and autonomous deployment of unmanned aerial systems. While much of the industry focuses on advancing drone technology itself, we address the infrastructure behind it — helping define an emerging category, Unmanned Infrastructure Systems (UIS). You own the software an operator uses to command a fleet — the backend, the interface in front of it, and the security architecture behind both. Responsibilities Owning the architecture of our command and control (C2) platform: backend services in C# / .NET and the operator-facing web interfaceDesigning and building the real-time link between the platform and deployed units, including protocol design over UDP/TCP and behaviour under degraded or contested connectivityOwning the operator interface: fleet status, mission state and telemetry visualisation, designed for use under time pressure and with minimal crewOwning security architecture across authentication, authorisation, audit and data at rest, appropriate to a defence deployment contextEstablishing platform engineering practice — deployment, observability, automated testing and release processesSetting architecture, review and release standards Your profile 10+ years building and operating production backend systems, with meaningful full-stack exposureExpert C# / .NET and ASP.NET Core; strong TypeScript and ReactReal-time or telemetry-heavy systems experience: streaming data, state synchronisation, and graceful degradation when the link dropsNetwork protocol depth beyond HTTP — you have designed, debugged and tuned protocols over UDP/TCPGerman and English What we offer You build sovereign European defence technologyEnd-to-end ownership of a subsystem, from architecture through qualification to customer deliveryA ten-person company, which means your decisions reach hardware in weeks rather than quartersAn interdisciplinary team drawn from automotive and motorsport, aerospace, defence and industrial manufacturingDirect influence on our engineering standards and processes as we scale The details Location: MunichEmployment type: permanent, full-timeWorking language: German and EnglishRequisition ID: 14404414 Because we work with customers in defence and critical infrastructure, a security clearance under the German Security Clearance Act (SÜG) may be required for this position. We value diversity and welcome all applications — regardless of gender, nationality, ethnic and social origin, religion or belief, disability, age, and sexual orientation and identity. Full details and application: https://www.loxolabs.com/careers/senior-software-engineer