# Flight Software Engineer

- Company: [Constellationspace](<https://jobstar.asia/company/constellationspace>)
- Location: Seattle
- Team: Engineering
- Employment type: Full Time
- Salary: $120K – $180K
- Posted: June 30, 2026

## Job description

**The Role**

Constellation's Flight Software team writes the code that actually flies the hardware. We are looking for a Flight Software Engineer to design and implement the highly reliable, real-time embedded systems that control our spacecraft and flight vehicles.

**Responsibilities**

* Develop, test, and deploy mission-critical flight software in C/C++.
* Implement guidance, navigation, and control (GNC) algorithms on embedded hardware.
* Perform Hardware-in-the-Loop (HITL) testing to validate software under simulated flight conditions.
* Collaborate with hardware engineers to define system architecture and interfaces.

**Requirements**

* B.S. in Computer Science, Computer Engineering, Aerospace Engineering, or similar.
* Exceptional programming skills in modern C and C++.
* Extensive experience with Real-Time Operating Systems (RTOS) and embedded Linux.
* Familiarity with hardware communication protocols (I2C, SPI, CAN, RS-422) and low-level debugging.

## Apply

[Apply on Constellationspace](<https://jobs.ashbyhq.com/constellationspace/ee8cbdf1-279e-46af-be71-9acd651a9fcf>)

Canonical job page: <https://jobstar.asia/job/flight-software-engineer-constellationspace-seattle-b5317bb60738435d>