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Senior Product Designer

Reactor · San Francisco

InfrastructureonsiteseniorCompetitive SF salary and meaningful early equity
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At a glance

Highlights

  • Own end-to-end design for a real-time world models platform.
  • Invent new interaction patterns for real-time video AI.
  • Design across web and mobile and evolve the design system.

What they offer

  • Meaningful early equity
  • Generous health, dental, and vision coverage
  • Visa sponsorship and relocation support

Ideal candidate

A craft-obsessed designer with shipped, loved products who thrives in ambiguity and loves inventing new ways for people to interact with real-time AI.

Requirements

  • Proven track record shipping product work that is live and loved
  • Deep experience with design systems including components, tokens and engineer collaboration
  • Strong end-to-end feature ownership in fast-paced, ambiguous environments
  • Craftsperson's eye for typography, spacing, color, motion and visual detail
  • Comfort with rapid prototyping and AI-assisted tools
  • User research instincts with testing assumptions and data-informed design
  • Strong communication skills and cross-functional alignment
  • Accessibility awareness baked into design process
visa sponsorship
Visa sponsorship and relocation support 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 ↗

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