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Senior Software Engineer - Flight Software

Astranis· Engineering
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San Francisco, CA$200k - $280kFull-timePosted 1mo ago

About the role

Senior Software Engineer - Embedded role focused on flight software for Astranis satellites, including architecture, high level design, development, testing, and mentorship across avionics teams.

Responsibilities

  • Develop Software for the Flight Computer on our Satellites
  • Develop Firmware for control boards on the satellite
  • Improve and deliver reliable software through requirements generation, continuous integration, automated testing and code reviews
  • Collaborate with multiple teams (avionics, Ground Control, Telemetry)
  • Develop software in C++ to interface with Flight computer and interface with the custom hardware on the vehicle
  • Deliver complex projects through incremental development
  • Mentor junior engineers

Qualifications

  • 5-8+ years of experience developing software for products in modern C++ OR C
  • Familiarity with Software Development Methodologies and Design Patterns
  • Experience with working on Communication Protocols (TCP/IP, I2C, SPI)
  • Good Communication and Written Skills
  • Passionate about Space Technology
  • Experience with Building High Availability/High Reliability systems.

Skills

Required:C++Software Development MethodologiesTCP/IPI2CSPI
Nice to have:C

Benefits

  • equity package
  • high-quality company-subsidized healthcare
  • disability and life insurance
  • 401(k) retirement planning
  • flexible PTO
  • free on-site catered meals
Last updated Oct 21, 2026. Interested? Apply on the company site.
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About Astranis

Advanced satellites for high orbits.

Astranis builds advanced satellites for high orbits, expanding humanity’s reach into the solar system. Today Astranis satellites provide dedicated, secure networks to highly-sophisticated customers across the globe— large enterprises, sovereign governments, and the US military. With five satellites on orbit and many more set to launch soon, the company is servicing a backlog of more than $1 billion of commercial contracts. Astranis is the preferred satellite communications partner for buyers with stringent requirements for uptime, data security, network visibility, and customization. Astranis has raised over $750 million from some of the world’s best investors, from Andreessen Horowitz to Blackrock, and Fidelity, and employs a team of 450 engineers and entrepreneurs. Astranis designs, builds, and operates its satellites out of its 153,000 sq. ft. headquarters in Northern California, USA.

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