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Senior Software Engineer - Fullstack

CesiumAstro • Embedded & Electronics Design • Satellite Communications • Bachelor's Degree • Python • JavaScript • TypeScript • Node JS • 2 months ago
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Salary
≈ $127k – $232k per year (Estimated)
Location
In office (Austin)
Seniority
Senior · 5+ years exp
Visa
H-1B filings in 12 months: 2
Employment
Full-Time

Confirmed on the employer's own hiring board on Oct 17, 2026. First seen by Alion on Aug 30, 2026. CesiumAstro scores A on the Alion truth index.

Overview
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Profile match

CesiumAstro

CesiumAstro is an American company founded in Austin in 2017 that builds active phased array communications payloads for satellites, aircraft and defence platforms. Its systems are software-defined and electronically steered, which lets a moving platform track several links at once without mechanical antennas, and the company manufactures them in house rather than integrating third-party subsystems. It sells mainly to defence customers and satellite operators, has raised venture funding from investors including Airbus Ventures and Lightspeed, and operates facilities in Austin, Colorado and the United Kingdom.
cesiumastro.com • HQ: Austin, United States • RF & Wireless Hardware • Embedded & Electronics Design • Satellite Communications • 1001-5000 employees • Est. 2017
Tech stack of CesiumAstro
Backed by Techstars, Kleiner Perkins, Capital Innovators

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.

JOB DUTIES AND RESPONSIBILITIES

  • 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.

JOB REQUIREMENTS AND MINIMUM QUALIFICATIONS

  • Bachelor’s or higher degree in Computer Science, Engineering, or related technical field.
  • 5 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.

PREFERRED EXPERIENCE

  • 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.
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