Staff Software Engineer - Ground Software

New Staff Software Engineer, Ground Software Long Beach, California, United States At Relativity Space, we’re building rockets to serve today’s needs and tomorrow’s breakthroughs. Our Terran R vehicle will deliver customer payloads to orbit, meeting the growing demand for launch capacity. But that’s just the start. Achieving commercial success with Terran R will unlock new opportunities to advance science, exploration, and innovation, pioneering progress that reaches beyond the known. Joining Relativity means becoming part of something where autonomy, ownership, and impact exist at every level. Here, you're not just executing tasks; you're solving problems that haven’t been solved before, helping develop a rocket, a factory, and a business from the ground up. Whether you’re in propulsion, manufacturing, software, avionics, or a corporate function, you’ll collaborate across teams, shape decisions, and see your work come to life in record time. Relativity is a place where creativity and technical rigor go hand in hand, and your voice will help define the stories we’re writing together. Now is a unique moment in time where it’s early enough to leave your mark on the product, the process, and the culture, but far enough along that Terran R is tangible and picking up momentum. The most meaningful work of your career is waiting. Join us. About The Team The Terrestrial Software team is building the foundation for an automated rocket factory and integrated launch platform. Their mission is to automate and streamline workflows across the entire lifecycle of Terran R, from raw material intake to launch operations and eventually manufacturing on Mars. Today, that means partnering directly with teams across design, materials, manufacturing, and test and launch to design, implement, and deploy end-user enterprise-wide applications, industrial automation, data analytics infrastructure, and next-generation AI to solve real problems and accelerate progress. Long term, the team is laying the groundwork for a modular, scalable software platform that can power highly autonomous operations on Earth and beyond. This is a team for builders and thinkers who thrive on cross-functional impact and want to shape the digital backbone of our future in space. About The Role 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 applicationLead the consolidation of several separate front ends into a single, unified operator platformBuild for hard real-time: render live hardware telemetry at high rates against strict, safety-critical performance budgetsSet the technical direction and quality bar for frontend across the org, and raise the level of the engineers around you About You Significant experience (typically 8+ years) building production web applications, with deep TypeScript and React expertiseA track record owning a frontend platform, design system, or large shared codebase that other teams depend onStrong frontend performance skills: profiling, render optimization, and keeping complex UIs responsive under heavy, continuous dataExperience 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 Nice To Haves But Not Required Real-time data visualization / charting, or industrial control, SCADA, or hardware-in-the-loop experienceFamiliarity with binary streaming protocols (WebSockets/protobuf) and offloading work to Web WorkersExperience with a monorepo build system (Bazel) or embedding code editors (Monaco) At Relativity Space, we are committed to transparency and fairness in our compensation practices. Actual compensation will be determined based on experience, qualifications, and other job-related factors. Compensation is only one part of our total rewards package. Relativity Space offers competitive salary and equity, a generous PTO and sick leave policy, parental leave, an annual learning and development stipend, and more! To see some of the benefits & perks we offer, please visit here. Hiring Range $181,000 - $271,000 USD We are an equal opportunity employer and value diversity at our company. We do not discriminate on the basis of race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status. If you need a reasonable accommodation, please contact us at accommodations@relativityspace.com. Please note: Relativity Space does not accept unsolicited resumes, candidate profiles, or referrals from recruitment agencies or search firms. Any unsolicited submission - via email, our website, social media, or directly to an employee - will be deemed the property of Relativity Space, and no fee will be owed absent a current, fully executed agreement with Talent Acquisition that specifically authorizes submissions for the applicable role. Create a Job Alert Interested in building your career at Relativity Space? Get future opportunities sent straight to your email. 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