Posted 1 Feb 2026, 2:00 pm

Software Engineer at SpaceX

Redmond, WA Full-time Programming (Full-Stack)
SpaceX was founded under the belief that a future where humanity is out exploring the stars is fundamentally more exciting than one where we are not. Today SpaceX is actively developing the technologies to make this possible, with the ultimate goal of enabling human life on Mars. SOFTWARE ENGINEER (DIRECT TO CELL) The Direct to Cell network will expand Starlink's vision by providing ubiquitous connectivity and seamless access to text, voice, and data for LTE phones and devices across the globe. The Direct to Cell network leverages the infrastructure we've built for Starlink over the past several years. Starlink is the world's largest satellite constellation and is providing fast, reliable internet to 7M+ users worldwide. As the global leader in rocket and satellite launch and manufacturing, SpaceX is uniquely positioned to rapidly scale our Direct to Cell network and will rapidly launch a constellation of hundreds of satellites. As a software engineer on the Direct to Cell program, you are responsible for the complete lifecycle of the software they create, including development, testing, and support. We expect our engineers to close the feedback loop between software design and real-world performance. In this role, your software will have a meaningful and measurable impact on the world. RESPONSIBILITIES:
  • Develop highly reliable, real-time software that plans and executes network topology for our satellite-based global network in order to connect mobile phones and maximize user experience.
  • Participate in and lead architecture, design, and code reviews.
  • Develop prototypes and manage experiments to prove out key design concepts.
  • Develop tools for software development and deployment, data analysis and visualization, and test execution across multiple environments, including virtualized hardware environments, real hardware-in-the-loop simulations, and on-orbit testing.
BASIC QUALIFICATIONS:
  • Bachelor's degree in computer science, engineering, math, or science discipline; OR 2+ years of professional experience in software development in lieu of a degree.
  • Development experience in Python, C, or C++.
PREFERRED SKILLS AND EXPERIENCE:
  • Knowledgeable in real-time rendering, game engine development, physics simulation, or other real-time, resource-constrained, high-performance computing.
  • Knowledgeable in network topology, numerical optimization techniques, graph theoretic approaches, or convex optimization.
  • Developed, debugged, and deployed software that has been used in real world applications/projects.
  • Creative approach to problem solving, exceptional analytical skills, and engineering fundamentals.
  • Excellent communication skills both written and verbal.
  • Ab

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