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Sr. Software Engineer (Starlink Mobile)

SpaceX · Redmond, WA

unknownsenior$165,000–$270,000Posted Nov 10, 2026C++Cassembly

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About this role

**SpaceX — Sr. Software Engineer (Starlink Mobile)** SpaceX is building technologies to enable human life on Mars. The **Starlink Mobile** network expands Starlink’s vision by providing ubiquitous connectivity and seamless access to text, voice, and data for **LTE phones and devices** across the globe. As a **Software Engineer on the Starlink Mobile** program, you’ll own the **full software lifecycle**—development, testing, and support—and help close the feedback loop between **software design** and **real-world performance**. --- **Responsibilities** - Develop highly reliable, real-time software to determine which beams (user, laser, gateway, etc.) should be formed to deliver the best user experience for a **low-latency, high-bandwidth** satellite network. - Participate in and lead architecture, design, and code reviews. - Develop prototypes and manage experiments to validate key design concepts. - Build tools for software development and deployment, data analysis/visualization, and test execution across multiple environments (virtualized hardware, hardware-in-the-loop, and on-orbit testing). **Basic Qualifications** - Bachelor’s degree in computer science, engineering, math, or STEM **and 5+ years** of professional software development experience; **or** 7+ years of professional experience in software development in lieu of a degree. - Development experience in **assembly, C, or C++**. **Preferred Skills and Experience** - Knowledge of real-time rendering, game engine development, physics simulation, or other real-time, resource-constrained, high-performance computing. - Knowledge of network topology, numerical optimization techniques, graph-theoretic approaches, or convex optimization (and related methods).

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