Sr. Software Engineer, Kernels/CUDA (C++)

Highlights

• Build one of the world's largest AI supercomputers from the ground up.
• Own the supercomputer and platform powering extreme-scale training and inference.
• Directly accelerate Grok's training speed and overall AI progress.

What they offer

• equity
• comprehensive medical, vision, and dental coverage
• 401(k) retirement plan
• short & long-term disability insurance
• life insurance

Ideal candidate

A first-principles systems thinker who loves squeezing maximum performance from massive infrastructure and wants their work to directly accelerate frontier AI progress.

Requirements

• 5+ years of experience with low-level system programming in C/C++
• Deep low-level systems programming (C/C++/PTX/SASS)
• Strong experience with large-scale GPU clusters or distributed compute infrastructure at production scale
• Hands-on work with GPU kernel optimization (CUTLASS, custom kernels, Nsight profiling)
• Track record of building or running high-performance infrastructure for AI workloads (training or inference platforms)
• Ability to reason from first principles and optimize for both memory-bound and compute-bound scenarios