Senior Full-Stack Engineer — Annotation Workspaces
Engineering · Platform Engineering · Global Remote · Global Remote (Worldwide) · Remote · Full-time · Senior (5+ yrs) · $140,000 – $175,000 + Equity
Build high-performance web-based labeling studio with WebGL/Canvas rendering, real-time collaboration, and sub-16ms latency on million-point point clouds.
Responsibilities
- Architect fluid 2D and 3D labeling interfaces utilizing React, TypeScript, Three.js, and WebGL
- Implement real-time collaborative editing using WebSockets and CRDT synchronization
- Design intuitive keyboard shortcut mechanics and semi-automated tooling that doubles annotator velocity
- Profile and optimize memory usage and frame rates across multi-gigabyte video and point cloud streams
Requirements
- 5+ years engineering complex interactive web applications (React, TypeScript, WebGL/Canvas)
- Deep appreciation for UI micro-interactions, responsive ergonomics, and high-framerate rendering
- Solid experience with modern frontend build systems (Vite, Rollup) and REST/GraphQL APIs
Perks
- Freedom to innovate on novel human-computer interaction paradigms for AI tooling
- Generous equity grant and competitive base compensation
- Ergonomic home workstation stipend ($1,500)
- Flexible paid leave and company-sponsored wellness programs