Senior Frontend Software Engineer

Radiant Nuclear

El Segundo, United States Posted October 7, 2026

Check how well your resume matches this job

On-site Full-time Senior
Salary Range

$158,000 - $219,450

Job Description

Join Radiant, a company focused on revolutionizing the energy industry. As a Senior Frontend Software Engineer, you will own the frontend for our in-house telemetry and fleet management platform, working with a modern React + TypeScript + Vite codebase. You will develop highly reliable and performant systems for data review and analysis, collaborate with other members of the Mission Software team, and contribute to the commercialization of the first high-temperature gas-cooled portable microreactor.

  • Posséder des parties critiques de l'interface frontend de notre plateforme interne de télémétrie et de gestion de flotte, en travaillant dans une base de code moderne React + TypeScript + Vite.
  • Développer des systèmes hautement fiables et performants pour la révision et l'analyse des données, ainsi que des pages frontend pour la configuration complexe des dispositifs et des systèmes de télémétrie.
  • Collaborer avec d'autres membres de l'équipe Mission Software et parvenir à un consensus parmi les parties prenantes de l'entreprise.
  • The ideal candidate is outgoing and organized, ready to collaborate with other engineers
  • Strong code review & debugging skills
  • Experience building highly performant, complex, mission-critical systems using technologies like WebSockets, WebRTC, or SSE
  • 5+ years of professional experience in web development, frontend development, and / or desktop GUI development
  • Bachelor's degree in Computer Science, Engineering, Physics, or a related technical field
  • Has worked on a complicated UI system before, driving forward critical features
  • Proficient in using React + TypeScript for SPAs, testing with Jest + Playwright
  • Experience using the following technologies: TanStack Query + React Router, Pixi.js + WebGPU, Yjs or similar CRDT
  • Hands-on hardware tech experience, working closely with hardware engineers to develop deeply coupled applications
  • HMI or dashboarding design experience
Required Skills
React TypeScript Vite collaboration go-to-market websockets testing Jest
How to apply

You apply on Radiant Nuclear’s own careers site. No account needed.

Apply on company site
How well do you match?

Upload your resume and ARes scores it against this job in a few seconds. No account needed.

Your resume is read to calculate the match and then deleted. Nothing is saved.

Already have access? Sign in
About Radiant Nuclear

See every open role at Radiant Nuclear on ARes.

More Jobs at Radiant Nuclear
Share This Job