Senior Full-Stack Engineer: Real-Time Security Dashboards

Cobalt AI, LLC; Denver (CO); On-site; USD 160,000 - 210,000; Full time

Benefits offered by this job

Equity

Full benefits

Flexible work arrangements

Job summary

Cobalt AI, LLC in Denver, Colorado, is seeking a Senior Full Stack Engineer to own interfaces used by security teams, including live robot video feeds and event triage dashboards built in React and TypeScript.

You will also work across the backend (Django/Python, GraphQL) to build the APIs that power those experiences, shaping a monorepo architecture, and supporting real-time data pipelines with WebSocket subscriptions and WebRTC video.

Qualifications

• 5+ years of professional software engineering experience, with depth in frontend development.
• Experience building complex, interactive UIs with canvas/2D rendering or real-time streaming.
• Backend fluency in Python and Django — building GraphQL APIs and migrations.
• Solid understanding of PostgreSQL and data modeling.
• Experience deploying to AWS and working in a monorepo.

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, data visualization, live video via WebRTC, and 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
• Work with Django models in PostgreSQL — multi-tenant data isolation, schema design, 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, logging, and metrics
• Participate in code reviews, architectural discussions, incident response, and on-call rotations

Skills

React

TypeScript

WebRTC

Real-time dashboards

GraphQL APIs

Tools

Django

Python

PostgreSQL

AWS

GraphQL

Job description

Cobalt AI, LLC in Denver, Colorado, is seeking a Senior Full Stack Engineer to own interfaces used by security teams, including live robot video feeds and event triage dashboards built in React and TypeScript.

You will also work across the backend (Django/Python, GraphQL) to build the APIs that power those experiences, shaping a monorepo architecture, and supporting real-time data pipelines with WebSocket subscriptions and WebRTC video.