Senior/Staff Backend Engineer

ABOUT THE ROLE Join a lean, high-caliber core engineering team at a fast-growing AI-first startup in the physical security and critical event management space. The platform leverages agentic AI to monitor real-time threat signals — including 911 radio dispatch and social media OSINT — delivering verified, actionable alerts to enterprise security operations teams in seconds. Customers include Fortune 50 retailers, major utilities, and leading autonomous-vehicle companies. The company was founded by public-safety technology veterans, is backed by top-tier seed investors, and has crossed strong early revenue milestones with impressive customer retention. The core engineering team is small and intentional — this is a meaningful, high-ownership role. WHAT YOU'LL DO - Own core platform functionality end-to-end, from idea through production and polish - Design and build backend systems that power real-time threat intelligence ingestion, processing, and alerting - Develop and iterate on AI pip