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InferactPosted 2 months ago

Member of Technical Staff, Kernel Engineering

$148,000–$296,000 year

On-siteSingapore, Singapore

Full TimeMid LevelBachelors DegreeStartup

Job Summary

Performance engineer to squeeze every FLOP out of modern accelerators by writing kernels and low-level optimizations for vLLM; work across GPUs and emerging silicon, collaborating with hardware teams to maximize performance. Requires CUDA kernel experience, strong GPU architecture knowledge, proficient C++ and Python, and experience with profiling tools and benchmarking. Visa sponsorship is offered case-by-case; role is based in Singapore with in-person operations.

Required Qualifications

  • Bachelor's degree or equivalent experience in computer science, engineering, or similar
  • Deep experience writing CUDA kernels or equivalent (CuTeDSL, Triton, TileLang, Pallas)
  • Strong understanding of GPU architecture: memory hierarchy, warp scheduling, tiling, tensor cores
  • Proficiency in C++ and Python with demonstrated ability to write high-performance code
  • Experience with profiling tools (Nsight, rocprof) and performance optimization methodologies
  • Obsession with benchmarks and squeezing every percentage point of speedup

Desired Qualifications

  • Deep experience writing CUDA kernels or equivalent (CuTeDSL, Triton, TileLang, Pallas)
  • Strong understanding of GPU architecture: memory hierarchy, warp scheduling, tiling, tensor cores
  • Proficiency in C++ and Python with demonstrated ability to write high-performance code
  • Experience with profiling tools (Nsight, rocprof) and performance optimization methodologies
  • Obsession with benchmarks and squeezing every percentage point of speedup
  • Experience with ML-specific kernel optimization (FlashAttention, fused kernels)
  • Knowledge of quantization techniques (INT8, FP8, mixed-precision)
  • Familiarity with multiple accelerator platforms (NVIDIA, AMD, TPU, Intel)
  • Experience with compiler technologies (LLVM, MLIR, XLA)
  • Kernel-related contributions to vLLM or other inference engine projects
  • Contributions to open-source GPU, ML systems, or compiler optimization projects
  • Written deep technical blogs on GPU optimization

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