Senior Software Engineer I - Fullstack

United StatesUnited States·AustinFull-timesenior
Software EngineerSoftware Engineering
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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,

Technical Tools
Software EngineerSoftware Engineering
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. 
  • Build and maintain user-facing features for CesiumAstro’s web-based dashboards and applications. 
  • Collaborate with backend, DevOps, and machine learning engineers to integrate complex data and workflows into intuitive frontends. 
  • Partner with product and business stakeholders to translate user needs into functional UI solutions. 
  • Contribute to reusable component libraries to ensure consistent aesthetics and behavior across applications. 
  • Participate in QA, testing, and release cycles to ensure high-quality, reliable software. 
  • Provide technical leadership in frontend development, mentoring team members and influencing design decisions. 
  • Bachelor’s or higher degree in Computer Science, Engineering, or related technical field. 
  • 6+ years of professional experience building web application frontends. 
  • Proven track record of leading or independently delivering frontend features in production systems. 
  • Strong proficiency in JavaScript and TypeScript. 
  • Deep experience with modern frontend frameworks, particularly Vue.js, and tools such as Axios. 
  • Excellent communication skills with the ability to articulate design and technical choices. 
  • Experience developing tools that visualize and communicate complex quantitative information. 
  • Backend development experience, ideally with Python APIs. 
  • Familiarity with DevOps and deploying web applications using infrastructure-as-code (e.g., Terraform). 
  • Experience integrating complex APIs (e.g., Elasticsearch). 
  • Previous experience in small, fast-moving teams or early-stage environments. 
  • Location & Eligibility

    Where is the job
    Austin, United States
    On-site at the office
    Who can apply
    US
    Listed under
    United States

    Listing Details

    Posted
    February 2, 2026
    First seen
    March 26, 2026
    Last seen
    May 4, 2026

    Posting Health

    Days active
    39
    Repost count
    0
    Trust Level
    31%
    Scored at
    May 5, 2026

    Signal breakdown

    freshnesssource trustcontent trustemployer trust
    Cesiumastro
    Employees
    350
    Founded
    2017
    View company profile
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    CesiumastroSenior Software Engineer I - Fullstack