Senior Backend Software Engineer (Python / FastAPI)

Senior Backend Software Engineer (Python / FastAPI)Build the real-time backend that turns radar sensor data into decisions people can act on.CHAOS Industries is a defense tech company founded in 2022 that has raised $1B from investors including 8VC, Accel and Valor Equity Partners. You'll own the backend services and data pipelines that move sensor data from radars in the field to the operators who depend on it.What You'll DoBuild high-performance Python services that ingest, process and distribute real-time sensor data with low latency, high reliability and security at scaleBuild high-performance Python (FastAPI) services that ingest, process and distribute real-time data securely at scaleOwn streaming, storage and replay of detections, tracks and telemetry for live and playback 3D geospatial viewsBuild the decision layer that coordinates a growing fleet of sensors as field conditions changeShape platform architecture for new capabilities, scale and long-term maintainabilityYou're A Fit If You HaveStrong production experience building backend services in Python (FastAPI or similar)Built real-time or streaming data systems: message queues, WebSockets, time-series dataOwned a production system end to end: designed it, shipped it, fixed it when it brokeReal leverage from AI coding tools, with a considered view on what to delegate and what not toBased in, or willing to relocate to, the San Francisco Bay Area (this role is on-site)Nice To HaveGeospatial or 3D data visualization in TypeScript and ReactEdge computing, or moving data reliably over constrained or unreliable networksAzure or another major cloud platformHardware, sensors, robotics, telemetry or defense systemsWhat You GetMedical, dental and vision, 100% paid by the company401k with 50% company match up to 6% of pay, plus FSA, HSA and life insurancePre-IPO stock options, relocation assistance, and annual bonuses (coming soon)Unlimited PTO and a casual dress codeFree daily lunch while you're working on-site, plus a fully stocked kitchenPay range shown is base salary only and excludes equity, bonuses and benefits. Actual offers vary based on experience, skills and business needs.Must be a U.S.

Person as defined under U.S. export control regulations, as required for access to controlled technology, and able to obtain and maintain a U.S. security clearance.