Full Stack Web Developer (React + Node.js) Job at Hypersonic Laboratories in San

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 a Full Stack Web Developer to 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 using React (frontend) and Node.js (backend)

Translate Figma designs into 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 in Node.js and React

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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