Senior Software Engineer (Full-Stack)

Summary: Cobalt AI uses automation to elevate physical safety and security in the workplace. Our platform, Cobalt Monitoring Intelligence, is a hybrid AI system, cloud-hosted with edge-deployed hardware, that provides human-verified, real-time monitoring of surveillance cameras, alarms, and robots across enterprise locations. We’re hiring a Senior Full Stack Engineer to own the interfaces that security teams rely on every day, including live robot video feeds, event triage workflows, real-time alarm dashboards, and fleet management tools built in React and TypeScript. You’ll also work across the backend (Django/Python, GraphQL) to build the APIs that power those experiences. Responsibilities: Build and refine real-time security dashboards, event triage interfaces, and fleet management tools used by security teams 24/7 Design and implement complex, interactive UIs — canvas rendering (environment maps, robot positioning), data visualization, live robot video via WebRTC, and subscription-driven event streaming Own component architecture in a monorepo and contribute to a Storybook-driven design system • Build and extend the GraphQL API — queries, mutations, and WebSocket subscriptions — serving all frontend applications Work with Django models in PostgreSQL — multi-tenant data isolation, schema design, query optimization, and migrations • Ship full-stack features end-to-end — from React components to GraphQL mutations to Django models and background jobs • Partner with the CDS an