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Software Engineer - Model Performance Systems

San Francisco💼 Full-time🗓 2026-01-07 → 2026-09-25

Core

Building automated benchmarking, profiling, and optimization tooling for LLM inference performance and developer environments.

Role type

Senior IC software engineer (LLM performance systems)

Builds

Automated performance suites, GPU-enabled dev environments, open-source benchmarking tools, and real-time observability dashboards

Domain

AI Infrastructure / High-Performance Computing / LLM Inference

Deliverable

production ML models | product features | dashboards & analysis

Required skills

Python, C++, GPU memory subsystems, InfiniBand, PyTorch Profiler, NVIDIA Nsight Systems, py-spy, CI/CD automation, system profiling, benchmarking automation

Preferred skills

NVIDIA software stack mastery, stress-testing, fuzzy testing, Transformer math understanding

Technologies

PyTorch, NVIDIA Nsight Systems, py-spy, InfiniBand, GitHub Codespaces

Responsibilities

Evaluate and automate LLM quality benchmarks (GSM8K, MMLU) and custom performance suites; Develop internal GPU-enabled development environments; Build open-source tools for model evaluation and analysis; Profile compute/networking stacks to identify bottlenecks; Develop real-time dashboards for system health and runtime performance; Automate performance testing via CI/CD pipelines; Build tools to identify optimal latency/cost/quality configurations

Seniority

Mid-senior, high leverage, lead of a small team

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