ChatGPT Performance Engineer

OpenAI
San Francisco, New York
Full timeUSD 325,000 - 405,000 annuallyFunction: Software EngineeringSkills: ["Problem-solving","Collaboration","Communication","Analytical"]

OpenAI seeks an experienced Performance Engineer to optimize the performance, reliability, and efficiency of core systems powering ChatGPT and the OpenAI API. You will perform root-cause analysis, profiling, and architecture-level improvements across a large-scale distributed stack, collaborating with infra, platform, training, and product teams to push latency, throughput, and cost-efficiency to the next level.

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FursaFursa
OpenAI
OpenAI
5 months ago

ChatGPT Performance Engineer

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Canonical indexed version, validated from employer's careers page.

Source: Company careers pageValidated by: Fursa AI
Last checked: 2 hours agoStatus: Live

Job Summary

OpenAI seeks an experienced Performance Engineer to optimize the performance, reliability, and efficiency of core systems powering ChatGPT and the OpenAI API. You will perform root-cause analysis, profiling, and architecture-level improvements across a large-scale distributed stack, collaborating with infra, platform, training, and product teams to push latency, throughput, and cost-efficiency to the next level.
Location: San Francisco, New York
Employment Type: Full time
Job Function: Software Engineering

Key Responsibilities

  • •Analyze and optimize performance across application, middleware, runtime, and infrastructure layers—networking, storage, Python runtime, GPU utilization, and beyond.
  • •Develop tooling and metrics that provide deep observability into system performance.
  • •Collaborate closely with infra, platform, training, and product teams to identify key performance goals and drive systemic improvements.
  • •Influence architecture and design decisions to prioritize latency, throughput, and efficiency at scale.
  • •Lead investigations into high-impact performance regressions or scalability issues in production.

Pay and Benefits

Salary: USD 325,000 - 405,000 annually
Equity and Bonus:Equity

Key Requirements

  • •7+ years of experience in software engineering with a strong track record in performance or reliability of high-scale distributed systems.
  • •Deep experience with performance profiling tools and tracing systems.
  • •Experience optimizing performance across stack layers (e.g., database, networking, storage, application runtime, GC tuning, Python/Golang internals, GPU utilization).
  • •Strong understanding of OS internals, scheduling, memory management, and IO patterns.
  • •Contributed to observability, benchmarking, or performance-focused infrastructure at scale.
Experience:High-scale distributed systemsObservabilityInfrastructurePerformance
Skills:Problem-solvingCollaborationCommunicationAnalytical
Tech Stack:PythonGPU utilizationProfiling toolsTracing systemsOS internalsGC tuning

Company Brief

OpenAI
Develops and deploys advanced generative AI models (including ChatGPT and DALL·E) and AI infrastructure, providing APIs and consumer products to accelerate safe AGI for broad benefit.
Industry: AI & Machine Learning
Company Size: Enterprise (1,001+ employees)
Revenue: USD 1B+
Growth: Scaleup
Valuation: Hectocorn (USD 100B+)
Funding: Series E+
Headquarters: San Francisco, United States
Founded: 2015
Glassdoor
Glassdoor: 4.4
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