Senior Space Full-Stack Engineer

CesiumAstro, Inc.; Denver (CO); On-site; USD 133,000 - 161,000; Full time

Benefits offered by this job

Stock options

Comprehensive benefits

Job summary

CesiumAstro is seeking a Senior Software Engineer to support space-centric programs across DoW and IC. You will build modern full-stack apps for mission systems, modernize legacy flight/ground software, and develop distributed services with cloud-native architectures.

The role requires leadership, DoD/IC experience, and strong skills in C++, C#, Rust, Python, or Go. Travel up to 10% is expected; U.S. citizenship and ability to obtain a Secret clearance are required.

Qualifications

• Bachelor’s degree in Software Engineering, Computer Engineering, or related field.
• 5+ years of relevant software engineering experience.
• Experience architecting microservices, APIs, message buses, and high-availability systems.
• Experience integrating and testing software for space-based or ground mission systems.
• Proficiency in C++, C#, Rust, Python, or Go.
• Experience with SQL/NoSQL databases.
• Cloud services experience (AWS, Azure, or GovCloud).
• Experience with GitHub, Jira, and Confluence.
• U.S. Citizenship required and ability to obtain Secret clearance.
• Ability to travel up to 10%.

Responsibilities

• Build modern full-stack applications in support of space mission systems.
• Integrate and modernize legacy space-related ground and flight software.
• Develop distributed applications using microservices, cloud-native architectures, and DLT/consensus.
• Support on-orbit and ground system integration and test, including emulation and interface validation.
• Implement DevSecOps pipelines, automated testing, and secure software practices.
• Develop modern UI/UX interfaces for mission operators and analysts.
• Collaborate with space system engineers, mission integrators, and operations teams.
• Contribute to a mission-focused engineering culture where your ideas shape the product.

Skills

C++

C#

Rust

Python

Go

Education

Bachelor’s degree in Software or Computer Engineering

Tools

GitHub

Jira

Confluence

AWS

Azure

GovCloud

Job description

CesiumAstro is seeking a Senior Software Engineer to support space-centric programs across DoW and IC. You will build modern full-stack apps for mission systems, modernize legacy flight/ground software, and develop distributed services with cloud-native architectures.

The role requires leadership, DoD/IC experience, and strong skills in C++, C#, Rust, Python, or Go. Travel up to 10% is expected; U.S. citizenship and ability to obtain a Secret clearance are required.