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GPU Kernel & Performance Engineer — On-Site

Job in Menlo Park, San Mateo County, California, 94029, USA
Listing for: Character.ai
Full Time position
Listed on 2026-08-22
Job specializations:
  • Software Development
    AI Engineer (Applied/Software)
Salary/Wage Range or Industry Benchmark: 120000 - 150000 USD Yearly USD 120000.00 150000.00 YEAR
Job Description & How to Apply Below

Character.ai in Menlo Park is seeking a seasoned Research Engineer specializing in GPU computing. You will be responsible for designing high-performance kernels for our training and inference workloads using CUDA/CUTLASS, C++, and Python.

The ideal candidate has strong coding skills, a deep understanding of GPUs, and 3+ years of industry experience. Join our visionary team on-site 3-5 days a week and work at the forefront of next-generation AGI.

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