Flight Software Engineer

About this role

Apolink seeks a Flight Software Engineer to develop the embedded and real-time software stack for satellite relay spacecraft, from device drivers to autonomous fault recovery systems. You'll architect mission-critical software for their first orbital deployment in 2026 and help establish a scalable constellation architecture.

What you'll do

• Design and implement real-time flight software for satellite command, control, and autonomy
• Develop embedded software for avionics, software-defined radios, and optical/RF payload subsystems
• Create hardware abstraction layers, device drivers, and telemetry/telecommand interfaces
• Integrate vendor SDKs and build fault detection, isolation, and recovery (FDIR) features
• Establish software-in-the-loop and hardware-in-the-loop testing frameworks
• Support hardware integration, functional testing, and on-orbit commissioning activities

What they're looking for

• C/C++ for real-time and resource-constrained systems
• Real-time operating systems (FreeRTOS, VxWorks, RTEMS)
• Embedded communication protocols (CAN, UART, I²C, SPI, RS-422)
• Spacecraft operations and avionics integration
• CI/CD, automated testing, and hardware bring-up
• Debugging and troubleshooting in extreme environments
• Vendor SDK integration and adaptation
• Ground communication protocol design with security

Benefits

• Stock options and equity participation
• Comprehensive health care coverage
• 401(k) with company matching
• Flexible vacation policy
• Catered meal credits
• Professional development opportunities