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Staff Software Engineer, Front-End Platforms

Relativity · Long Beach, California, United States

unknownsenior$181,000–$181,000Posted Nov 4, 2026TypeScriptReactReduxWebSocketWeb WorkersProtobufBazelSCSS

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About this role

**Staff Software Engineer, Front-End Platforms — Relativity Space** **About Relativity Space** Relativity Space is building rockets to serve today’s needs and tomorrow’s breakthroughs. Joining means working on a rocket, a factory, and a business from the ground up—solving problems that haven’t been solved before, with autonomy, ownership, and real impact. **About the team** The Terrestrial Software team builds the foundation for an automated rocket factory and integrated launch platform. They automate and streamline workflows across Terran R’s lifecycle—from raw material intake to launch operations and manufacturing on Mars—by designing, implementing, and deploying enterprise applications, industrial automation, data analytics infrastructure, and next-generation AI. **About the role** - Own the frontend platform behind the operator UI (application shell, design system, and shared data layer used by other teams). - Define the architecture and contribution model that lets domain teams ship UI modules into one cohesive application. - Lead consolidation of multiple front ends into a unified operator platform. - Build for hard real-time performance: render live hardware telemetry at high rates within strict, safety-critical budgets. - Set frontend technical direction and quality bar across the org; mentor and raise the level of engineers. **About you** - 8+ years building production web applications, with deep TypeScript and React expertise. - Experience owning a frontend platform, design system, or large shared codebase other teams depend on. - Strong frontend performance skills (profiling, render optimization, keeping complex UIs responsive under heavy continuous data). - Experience architecting state management and data flow for data-intensive apps (e.g., Redux, streaming/WebSocket data, Web Workers). - Ability to set cross-team architecture/technical direction and mentor senior engineers. **Nice to haves (not required)** - Real-time data visualization/charting, or industrial control (SCADA) / hardware-in-the-loop experience. - Familiarity with binary streaming protocols (WebSockets/protobuf) and offloading work to Web Workers. - Experience with monorepo build systems (Bazel) or embedding code editors (Monaco). **Compensation** Hiring range: **$181,000–$271,000 USD** (based on experience, qualifications, and other job-related factors). Total rewards include salary/equity, PTO & sick leave, parental leave, and an annual learning & development stipend. **Equal Opportunity** Relativity Space is an equal opportunity employer and values diversity. If you need a reasonable accommodation, contact **accommodations@relativityspace.com**. *Note: Relativity Space does not accept unsolicited resumes, candidate profiles, or referrals from recruitment agencies or search firms.*

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