Skip to content
← Reactor

Product Engineer, Platform

Reactor · San Francisco

InfrastructureonsiteSeniorSalary and equity at the 99th percentile for our stage
Apply on the lab’s site ↗

At a glance

Highlights

  • Build the inference platform powering real-time world models.
  • Design how developers go from first use to production.
  • Ship launch pages and live demos for new models and partners.

What they offer

  • Equity
  • Generous health, dental, and vision coverage
  • Relocation support

Ideal candidate

A product-minded full-stack builder who loves crafting fast, polished developer experiences end-to-end and thrives shaping open-ended products with a senior team.

Requirements

  • 4+ years as a full-stack engineer with front-end as strongest side
  • Deep experience with TypeScript and React or Next.js
  • Built and maintained a production React or Next.js app with real users, including state management, performance and testing
  • Taken a feature from data model to UI end-to-end: schema, API, front-end and production ownership
  • Strong CSS and layout skills for responsive, accessible interfaces
  • Deep relational database experience: schema design, query performance, Postgres or similar
  • Designed APIs that other engineers and customers build on
  • Proven direction in UI and interaction design
remote policy
In-person
visa sponsorship
Visa sponsorship available

Lab profile

About Reactor

Inference platform for real-time world models powering media, physical AI, and omni-directional applications.

What they build

  • Inference platform for real-time world models
  • Catalog of 15+ world models including LingBot World 2, LTX 2.5 Realtime, HappyOyster

Known for

  • Largest and fastest world model catalog
  • Real-time optimized inference
  • Works with Alibaba, Amazon, and NVIDIA

Key facts

  • Raised $59M led by Lightspeed
  • Backed by Amplify Partners, WndrCo, and NVentures
More about Reactor →
Apply on the lab’s site ↗

Posted · Last seen