Senior / Staff Backend Engineer

About the role

About the Role Join a lean, high-output core engineering team at an AI-first startup building the next generation of physical threat intelligence and critical event management. The platform combines real-time AI-powered 911 radio monitoring with OSINT from major social networks to deliver verified, actionable threat alerts to enterprise security operations teams — in seconds. The company has strong early traction, meaningful ARR, and is backed by top-tier seed investors. We're adding 1–2 Senior / Staff Backend Engineers to the core team. You'll own critical platform functionality end-to-end and help shape features the industry hasn't seen yet. What You'll Do Own core backend platform features end-to-end — from concept and architecture through deployment and iteration Build and maintain low-latency, highly available backend services that power real-time threat detection Collaborate cross-functionally in a fully remote, distributed team environment Integrate external data sources and OSINT-style data feeds into the platform pipeline Contribute to AI pipeline architecture and agentic workflow systems Drive 0→1 feature development with a high degree of autonomy and accountability What We're Looking For Required: Senior or Staff-level backend engineering experience Demonstrated 0→1 ownership — founding a product, or owning a large feature/product end-to-end from concept through production Experience building low-latency, highly available distributed backend systems Strong written and verbal communication skills; comfortable collaborating asynchronously across a remote team Proven ability to work with flexibility across different engineering specialties in a lean team Nice to Have: Experience building user-configured workflow or automation systems Experience designing or maintaining AI / ML pipelines Experience integrating external data sources or OSINT-style feeds (threat intelligence, social data, radio/dispatch data, etc.) Early-stage startup experience (sub-10-person engineering team) Compensation & Benefits Salary: $180,000 – $205,000 per year Fully remote position Visa sponsorship: Not available Location Fully remote. Open to candidates based anywhere in the United States.