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Member of Technical Staff - Low Level & Kernels Capabilities

San Francisco💼 Full-time💰 $90–$90🗓 2026-07-29 → 2026-09-26

Core

Building reinforcement learning (RL) environments at the lowest layers of the stack (GPU/accelerator kernels, vector ISAs, FPGA) to address brittleness in frontier models for real-world tasks.

Role type

Senior IC machine learning engineer (low-level systems & kernels)

Builds

RL environments, scoring infrastructure, and sandboxing mechanisms for model evaluation

Domain

AI/ML research, hardware systems, reinforcement learning

Deliverable

production ML models

Required skills

C/C++, CUDA, assembly, Python (production quality), hardware-aware coding, kernel optimization, adversarial mindset, LLM interaction

Preferred skills

FPGA/HLS/RISC-V/SIMD/AVX/TPU expertise, HPC/heterogeneous clusters, hardware design (RTL/HDL), compilers (MLIR/LLVM/Mojo/Triton), formal verification, competitive programming, RL environment construction

Technologies

CUDA, gem5, cuBLAS, FFTW, OpenSSL, MLIR, LLVM, Mojo, Triton, Lean, Coq, SMT

Responsibilities

Design and build low-level RL environments targeting specific models and difficulty distributions; develop deterministic, ungameable scoring and sandboxing mechanisms; optimize kernels against profilers; select domains based on hardware features and benchmark gaps

Seniority

Senior, hands-on IC

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