Staff Frontend Platform Engineer — Real-Time UI for Ops

Relativity Space, Inc.; Long Beach, Northern (CA, KY); Hybrid; USD 181,000 - 271,000; Full time

Benefits offered by this job

PTO & sick leave

Equity

Parental leave

Learning stipend

Job summary

Relativity Space, Inc. in Long Beach, California is building Terran R and a scalable software platform to power automated rocket production and operations.

This Staff Software Engineer role focuses on the Ground Software frontend platform, unifying multiple front ends into a single operator UI, and delivering real-time telemetry within strict performance budgets. You will drive architecture, mentor engineers, and collaborate across design, manufacturing, and test teams to push the boundaries of

Qualifications

• Significant experience (typically 8+ years) building production web applications, with deep TypeScript and React expertise.
• A track record owning a frontend platform, design system, or large shared codebase that other teams depend on.
• Strong frontend performance skills: profiling, render optimization, and 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 and technical direction, and mentor senior engineers.

Responsibilities

• Own the frontend platform behind our operator UI — the application shell, design system, and shared data layer that every other team builds their features on -
• Define the architecture and contribution model that lets domain teams ship their own UI modules into one cohesive application
• Lead the consolidation of several separate front ends into a single, unified operator platform
• Build for hard real-time: render live hardware telemetry at high rates against strict, safety-critical performance budgets
• Set the technical direction and quality bar for frontend across the org, and raise the level of the engineers around you

Skills

TypeScript

React

Frontend platform

Redux

WebSocket

Web Workers

Tools

Bazel

Monaco

Job description

Relativity Space, Inc. in Long Beach, California is building Terran R and a scalable software platform to power automated rocket production and operations.

This Staff Software Engineer role focuses on the Ground Software frontend platform, unifying multiple front ends into a single operator UI, and delivering real-time telemetry within strict performance budgets. You will drive architecture, mentor engineers, and collaborate across design, manufacturing, and test teams to push the boundaries of