Performance Engineer, GPU

Anthropic · San Francisco, CA | New York City, NY | Seattle, WA · AI Research & Engineering · listed September 22, 2025

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The shape of it

Seniority
Not stated
Where
Hybrid
Stated pay
$280,000 – $850,000 USD
Requirements listed
1
Length
1,012 words

In the posting’s own words

Pioneering the next generation of AI requires breakthrough innovations in GPU performance and systems engineering. As a GPU Performance Engineer, you'll architect and implement the foundational systems that power Claude and push the frontiers of what's possible with large language models. You'll be responsible for maximizing GPU utilization and performance at unprecedented scale, developing cutting-edge optimizations that directly enable new model capabilities and dramatically improve inference efficiency.

What it asks for · 1

  • Have deep experience with GPU programming and optimization at scale

Also a plus

  • GPU Kernel Development: CUDA, Triton, CUTLASS, Flash Attention, tensor core optimization
  • ML Compilers & Frameworks: PyTorch/JAX internals, torch.compile, XLA, custom operators
  • Performance Engineering: Kernel fusion, memory bandwidth optimization, profiling with Nsight
  • Distributed Systems: NCCL, NVLink, collective communication, model parallelism
  • Low-Precision: INT8/FP8 quantization, mixed-precision techniques
  • Production Systems: Large-scale training infrastructure, fault tolerance, cluster orchestration

Tools and skills named

Models & research
  • GPU9×
  • Machine learning3×
  • Inference2×
  • CUDA
  • JAX
  • LLM
  • PyTorch
Cloud & infra
  • Distributed systems
Frameworks
  • Node.js

Words the posting leans on

  • gpu8×
  • performance8×
  • systems8×
  • kernel5×
  • optimization5×
  • distributed4×
  • hardware4×
  • infrastructure4×
  • custom3×
  • frameworks3×
  • gpu performance3×
  • implement3×
  • language models3×
  • architectures2×
  • attention2×
  • bottlenecks2×

Counted from the posting after the mission statement and the legal notices are set aside. The ones near the top are the ones a screener is looking for.

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How this page was made

An automated read of a public job posting, fetched August 27, 2026 and last changed by Anthropic on August 21, 2026. Every list above is pulled from the posting’s own sentences — nothing rewritten, nothing added, no judgment about the role or the company. Counts and seniority are read off the text by rule, so they can be wrong where the posting is unusual. The original is the only thing that binds. Openings close without warning; check the source before spending an evening on it.