# Senior Software Engineer I - Fullstack

**CesiumAstro**

- **Location:** Austin, TX
- **Workplace:** On-site
- **Salary:** Not disclosed
- **Clearance:** None required
- **Eligibility:** US person or protected individual
- **Export control:** ITAR/EAR controlled
- **Visa:** Not specified
- **Discipline:** Software & Data
- **Seniority:** Senior
- **Posted:** 2026-02-02

[Apply on CesiumAstro](https://jobs.lever.co/CesiumAstro/b3f2817d-7256-41b9-a839-cbc9e9b905a2)
[View on Outerspace Today](https://terminal.outerspacetoday.com
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_**Please Note: **To conform with the United States Government Space Technology Export Regulations, the applicant must be a U.S. citizen, lawful permanent resident of the U.S., conditional resident, asylee or refugee (protected individuals as defined by 8 U.S.C. 1324b(a)(3)), or eligible to obtain the required authorizations from the U.S. Department of State._
At **CesiumAstro**, we are developers and pioneers of out-of-the-box communication systems for satellites, UAVs, launch vehicles, and other space and airborne platforms. We take pride in our dynamic and cross-functional work environment, which allows us to learn, develop, and engage across our organization. If you are looking for hands-on, interactive, and autonomous work, CesiumAstro is the place for you. We are actively seeking passionate, collaborative, energetic, and forward-thinking individuals to join our team.
We are looking for a **Senior Software Engineer** to lead the design and development of user-facing applications that power CesiumAstro’s mission-critical platforms. This role will translate complex requirements into elegant, functional, and scalable UIs, working closely with backend, DevOps, and machine learning teams to deliver robust, high-performance systems.

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