Kernel Performance Engineer – GPU AI Inference

INFERACT SINGAPORE PTE. LTD.; Singapore; On-site; SGD 167,000 - 335,000; Full time

Benefits offered by this job

Equity

Medical, dental, vision

Job summary

Inferact Singapore PTE. LTD. seeks a performance engineer to squeeze every FLOP from modern accelerators and write kernels and low-level optimizations for vLLM. You will ensure compatibility across NVIDIA GPUs and emerging silicon, collaborating with hardware teams to push peak throughput.

The role requires deep CUDA experience, strong C++/Python skills, and expertise in profiling tools. Fresh grads welcome; equity is offered along with medical, dental, and vision benefits.

Qualifications

• Bachelor's degree or equivalent in CS/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 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.

Responsibilities

• Write kernels and low-level optimizations for vLLM to maximize performance across accelerator types.
• Collaborate with hardware vendors to extract maximum throughput on new chips.
• Develop portable, high-performance C++/Python code and profiling workflows.

Skills

CUDA kernels

GPU architecture

C++

Python

Nsight/rocprof

benchmarking

performance optimization

Education

Bachelor's degree in CS/Engineering

Tools

CuTeDSL

Triton

TileLang

Pallas

Job description

Inferact Singapore PTE. LTD. seeks a performance engineer to squeeze every FLOP from modern accelerators and write kernels and low-level optimizations for vLLM. You will ensure compatibility across NVIDIA GPUs and emerging silicon, collaborating with hardware teams to push peak throughput.

The role requires deep CUDA experience, strong C++/Python skills, and expertise in profiling tools. Fresh grads welcome; equity is offered along with medical, dental, and vision benefits.