Drimva

OpenAI

ChatGPT Performance Engineer

$347K–$445K

San Francisco +3 · Full-time · Posted Apr 15, 2026

Location
San Francisco
New York City
Seattle
US - Remote
Experience
7+ years of software engineering experience.

About the job

Optimizes performance, reliability, and efficiency across OpenAI’s systems powering ChatGPT and the developer API.

What you'll do

  • Analyze and improve performance across application, middleware, runtime, and infrastructure layers; build observability tooling and metrics.
  • Partner with infrastructure, platform, training, and product teams to set performance goals and influence architecture.
  • Investigate production regressions and scalability issues; develop performance testing strategies and help define latency and throughput SLAs/SLOs.

What they ask for

  • Strong track record in performance or reliability of high-scale distributed systems.
  • Comfort with performance profiling tools and tracing systems.
  • Experience optimizing at least one system layer, such as databases, networking, storage, application runtimes, or GPU utilization.
  • Strong understanding of operating-system internals, scheduling, memory management, and I/O patterns.

Nice to have

  • Contributions to observability, benchmarking, or performance-focused infrastructure at scale.
  • Demonstrated success navigating ambiguity and aligning stakeholders around performance goals.

Pay

$347K – $445K USD base salary

Tools

Python, Golang, GPU

AI focus

Applies performance engineering to systems powering AI products, including model training infrastructure and real-time user experiences.

Model-written summary · the original posting is authoritative

First seen Oct 8, 2026 · Last verified Nov 4, 2026 (UTC)