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 and ML teams on the detection-to-event pipeline
  • Write well-tested code with strong observability — tracing, structured logging, and metrics
  • Participate in code reviews, architectural discussions, incident response, and on-call rotations

Qualifications:

• 5+ years of professional software engineering experience, with depth in frontend development
  • Strong proficiency in React and TypeScript — opinionated about component architecture, state

management, and rendering performance

• Experience building complex, interactive UIs — canvas/2D rendering, real-time streaming, data
  visualization, or WebRTC
  • Backend fluency in Python and Django — building GraphQL APIs, writing migrations, andoptimizing ORM queries• Solid understanding of PostgreSQL — data modeling, indexing, and query performance• Comfort working in a monorepo with shared packages, generated types, and cross-team codeownership• Experience deploying to AWS and working with containerized applications

Salary: $160,000–$210,000 per year