GPU Programming Expert

4 hours ago

United States Mercor Inc Full-time

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Mercor connects elite creative and technical talent with leading AI research labs.

Headquartered in San Francisco, our investors include Benchmark , General Catalyst , Peter Thiel , Adam D'Angelo , Larry Summers , and Jack Dorsey .

Position: CUDA Engineering Expert

Type: Contract

Compensation: $80–$120/hour

Location: Remote

Analyze and optimize GPU kernels for performance, efficiency, and hardware utilization.
Use profiler metrics like L2 cache hit rate , L2 throughput , and occupancy to guide kernel improvements.
Review GPU kernel implementations to identify bottlenecks without needing extensive algorithmic background.
Write, modify, and reason about C++17 , Python , and GPU programming code.
Apply CUDA , HIP , and shader programming expertise to improve performance outcomes.
Document optimization decisions clearly, noting when specific profiler metrics are useful.

Available to work at least 20 hrs/wk .
Fluent in core C++ features through C++17 .
Working knowledge of Python and Git .
Fluent in at least one GPU programming model like CUDA , HIP , Slang , HLSL , or GLSL .
At least 1 year of professional or graduate-level research experience with GPUs .
Strong understanding of GPU profiler performance metrics for kernel optimization.
Ability to optimize GPU kernels without deep prior context on every algorithm.

Experience with CUDA , HIP , CUDA C++ Core Libraries , inline PTX assembly, or tensor core-level optimization.
Experience optimizing kernels for NVIDIA Blackwell hardware .
Familiarity with NSight Compute .
Prior experience with GPU hardware organizations like NVIDIA , AMD , or Qualcomm .
Open-source contributions related to GPU kernel optimization .

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