Flight Software Engineer at Apolink

About Apolink: Apolink is building the world’s most interoperable satellite relay network in low Earth orbit. Our hybrid communication architecture combines RF and optical inter-satellite links to enable real-time, continuous connectivity for satellite operators across industries. About The Role: You will own development of the embedded and flight software stack that powers Apolink’s relay spacecraft platforms. From low-level device drivers to autonomous fault recovery, you’ll design and implement the digital nervous system that makes our satellites reliable and interoperable. You’ll work directly with avionics hardware, vendor SDKs, and payload systems to bring our first mission to orbit in 2026 and lay the foundation for a scalable constellation. Responsibilities: Architect and implement real-time flight software for satellite command and control Architect and implement real-time flight software for satellite command and control Develop embedded software for avionics, SDRs, and optical/RF payload subsystems Develop embedded software for avionics, SDRs, and optical/RF payload subsystems Build hardware abstraction layers, device drivers, and telemetry/telecommand interfaces Build h