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Senior Software Engineer

Spire

$130,500 - $171,000
Sep 18, 2025
Boulder, CO, US
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Spire is seeking an experienced Software Engineer to join their Sat OS team to develop software for satellite systems, contributing to the expansion and enhancement of their space-based payload execution and data collection capabilities. The role involves adapting to low-cost, fast-paced systems design, development, and implementation methodologies for nanosatellite systems.

Requirements

  • Proven experience in production-grade software development using at least one compiled language
  • Proficiency in Python or equivalent high-level language
  • Knowledge of Linux-based development
  • Experience with inter-process communication protocols (such as gRPC)
  • Proficiency in Python and Rust
  • Knowledge of telemetry and command systems
  • Experience in implementing Fault Detection, Isolation, and Recovery (FDIR) systems for high-level or embedded applications

Responsibilities

  • Develop services in Python/Rust that interface with hardware integration layers using modern protocols
  • Implement communication interfaces between higher-level processes, including ground to space commanding
  • Migrate legacy Python systems to a new Rust-based, distributed architecture
  • Contribute to the design and implementation of fault-tolerant systems to meet the demands of new customer missions
  • Collaborate closely with the Platform Engineering team to ensure optimal software-hardware integration
  • Create and maintain comprehensive documentation for APIs and system architectures
  • Perform ground-based testing and in-orbit verification of new software services

Other

  • 5+ years experience in professional software development
  • Ability to communicate effectively with embedded software engineers
  • Excellent documentation skills
  • Good customer relations skills
  • Spire operates a hybrid work model, and this position will require you to work a minimum of three days per week in the office.