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Senior Navigation Software Engineer
Theseus Us
San Francisco$150k–220kOn-site2mo ago
- Employment
- Full-time
- Seniority
- Senior
About the role
- Own navigation and state estimation systems end to end, from algorithm design to deployment and field iteration
- Design and improve sensor fusion pipelines that turn onboard sensor data into reliable navigation outputs
- Build estimators that remain robust under real-world failure modes, degraded sensing, and constrained compute
- Define system behavior across initialization, nominal operation, degradation, and recovery, with clear health monitoring
- Drive architecture and technical tradeoffs across the navigation stack, balancing accuracy, robustness, latency, and simplicity
- Partner with autonomy, platform, and flight systems engineers to integrate navigation into the broader product
- Test, debug, and improve system performance in simulation and real flight conditions
- 4+ years of experience working on robotics navigation, localization, state estimation, sensor fusion, or a closely related problem
- Deep understanding of probabilistic estimation methods, such as Kalman filtering, optimization-based estimation, or visual-inertial navigation
- Strong intuition for inertial sensing, coordinate frames, observability, uncertainty, and real-world failure modes in deployed systems
- Experience building estimation systems that work with real sensor data, not just in simulation or offline research settings
- Strong software engineering skills in C++ and Python
- Demonstrated ability to own technically ambiguous problems and make sound architectural tradeoffs
- Excellent communication and collaboration skills
- Experience with drones, UAV autonomy, or flight control software such as ArduPilot or PX4
- Background in visual-inertial odometry, SLAM, or production localization systems
- Experience deploying robotics software on edge or embedded compute platforms
- Familiarity with map matching, factor graphs, or multi-sensor fusion architectures
- Experience building evaluation, benchmarking, or validation infrastructure for estimation systems
- Background in aerospace, GNC, autonomous vehicles, or inertial navigation systems
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