Game Engineer

spawn; San Francisco (CA); On-site; USD 120,000 - 180,000; Full time

Job summary

Spawn is seeking a Game Engineer to bridge what AI imagines with what players actually want to play. You'll work on projects that turn wild AI concepts into tangible gameplay, from physics that adapt to new mechanics to rendering optimizations for large particle effects.

You will collaborate on real-time multiplayer features, graphics programming with WebGL and Three.js, and ensure gameplay feels responsive and magical.

Qualifications

• Experience with real-time multiplayer features (even small-scale).
• Graphics programming using WebGL, Three.js, or shaders.
• Proven ability to make games feel responsive and polished.

Responsibilities

• Build adaptive physics engine for AI-generated mechanics.
• Optimize WebGL rendering for large particle counts.
• Turn AI-generated concepts into playable experiences.

Skills

Real-time multiplayer features

Graphics programming

Gameplay feel

Tools

WebGL

Three.js

Shaders

Job description

Spawn/spɔːn/,verb.the act of creating something from nothing.

Make AI-generated worlds feel alive.

We need someone who gets excited about the chaos of making games that didn't exist 30 seconds ago feel great to play for thousands of players.

As a Game Engineer at Spawn, you'll be the bridge between what AI imagines and what humans actually want to play.

• One week you might be building a physics engine that adapts to whatever wild mechanics an AI just invented.


• The next, you're optimizing WebGL rendering for 10,000 on-screen particles because the AI decided this puzzle game needs epic visual effects.


• You won't be handed game designs – you'll figure out how to make anything an AI generates feel magical.

We expect experience with:

• Real-time multiplayer features (even small-scale)


• Graphics programming (WebGL, Three.js, shaders)


• Making games feel good (physics, animations, responsiveness)