Member of Technical Staff, GPU & Distributed Systems
Reactor · San Francisco
Infrastructureremote
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
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