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Hypersonic Laboratories

Full Stack Web Developer (React + Node.js)

Hypersonic Laboratories, San Francisco, CA, US, 94199

Salary min: $3,250.00

Salary max: $4,625.00

Duration: Full Time

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Full Stack Web Developer (React + Node.js)

Full Stack Web Developer (React + Node.js)

Product:HELIX— The next-gen open-world sandbox for modding and RP

Type:Full-time

About Us

Hypersonic Labs is the team behind HELIX — an ambitious open-world multiplayer platform built in Unreal Engine 5 that empowers creators to build, mod, and roleplay at massive scale. Backed by top-tier investors like Play Ventures and Samsung Next with $11M raised, we’re redefining what user-generated games can be.

We’re looking for aFull Stack Web Developerto build sleek, performant, and intuitive web experiences for our creator ecosystem — from the HELIX game launcher to dashboards, marketplaces, and community tools.

What You’ll Do

  • Own development of web features across the stack usingReact(frontend) andNode.js(backend)
  • TranslateFigma designsinto pixel-perfect, responsive frontend interfaces
  • Collaborate with designers, PMs, and platform engineers to ship new features
  • Build and maintain APIs and backend services to support player and creator tools
  • Contribute to technical decisions on architecture, performance, and usability

What We’re Looking For

  • 3+ years experience as a full stack developer
  • Strong proficiency inNode.jsandReact
  • Proven ability to translate Figma designs into clean, reusable code
  • Experience with RESTful APIs, version control (Git), and modern CI/CD workflows
  • Familiarity with authentication, security best practices, and scalable backend patterns

Nice to have

  • Experience with UGC platforms, modding frameworks, or live service ecosystems.
  • Previous work in fast-moving startup or small team environments.
  • You thrive infast-paced, collaborative environments where efficiency, agility, and a strong team culture lead to significant and meaningful impact.
  • You enjoy working closely with other disciplines, wearing multiple hats, and iterating quickly.
  • You’re excited by ambitious creative tools and believe in enabling others through technology.

Why Join Us?

  • Shape the future of multiplayer sandbox games
  • Build tools that empower millions of modders and creators
  • Join a passionate, fast-moving team at the intersection of games and UGC

Apply via hiring@hypersoniclabs.co

Resume and cover letter required.

Seniority level

  • Seniority level

    Not Applicable

Employment type

  • Employment type

    Full-time

Job function

  • Job function

    Engineering and Information Technology
  • Industries

    Computer Games

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