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Member of Technical Staff, GPU & Distributed Systems

Reactor · San Francisco

Infrastructureremote
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At a glance

Highlights

  • Build distributed systems that run real-time world models at scale.
  • Cut model cold starts from minutes to seconds for live sessions.
  • Improve fleet efficiency and tail latency across GPU clouds.

Ideal candidate

Systems-minded engineer with production distributed systems experience who loves deep performance work and owns projects from design through benchmarking to production.

Requirements

  • 3+ years building distributed systems, cloud platforms, or performance-sensitive systems software in production
  • Strong programming skills in Go, Rust, C++, or Python with concurrency and resource management
  • Hands-on GPU or ML systems experience such as model loading, accelerator memory, distributed execution or inference serving
  • Strong Linux, networking, and storage fundamentals with performance diagnosis across hardware and software
  • Experience extending Kubernetes via controllers, operators, or scheduling plugins or comparable orchestration
  • Ability to reason about partial failures, resource contention, and latency-throughput tradeoffs

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 →
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