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OpenAIOpenAI

Software Engineer, ChatGPT Infrastructure

Design and build infrastructure platforms for ChatGPT, focusing on scalability, reliability, and developer productivity. Requires experience with large-scale distributed systems, performance optimization, and creating reusable abstractions for engineering teams.

About the job

Where You Can Have Impact

  • Platform foundations & frameworks: core libraries, service frameworks, and shared components.
  • Scalability & performance primitives: reduce tail latency, improve throughput, keep costs predictable.
  • Reliability guardrails: rate limiting, load shedding, dependency isolation, backpressure, safe fallbacks.
  • Developer productivity via golden paths: paved roads for common workflows.
  • Observability & debugging systems: instrumentation, metrics, investigative tooling.
  • Safe change management: deployment systems, progressive delivery, fast rollback.
  • Interface and contract design: clean APIs and stable contracts.

What You’ll Do

  • Build and evolve infrastructure platforms that many engineers and services depend on.
  • Translate messy real-world constraints into clean abstractions: simple APIs, enforceable contracts, safe defaults.
  • Drive improvements in reliability and performance through principled design, measurement, and iterative hardening.
  • Partner across engineering and product to identify systemic pain points and turn them into reusable solutions.
  • Own outcomes end-to-end: design → implementation → rollout → operational maturity.

Qualifications

Minimum Qualifications

  • Experience building and operating large-scale distributed systems in production (high throughput, concurrency, and failure handling).
  • Strong fundamentals in systems design, including caching, consistency, queueing/backpressure, and resilient dependency management.
  • Ability to reason about performance (latency distributions, tail behavior, bottlenecks) and translate that into concrete engineering work.
  • Track record of building platforms or shared infrastructure that improves velocity and correctness for other teams.
  • Strong communication and collaboration skills—aligning on interfaces, navigating tradeoffs, and driving cross-team execution.

Preferred Qualifications

  • Experience designing paved roads / golden paths (frameworks, libraries, self-serve tooling) that shape engineering behavior at scale.
  • Deep understanding of reliability techniques: graceful degradation, circuit breakers, load shedding, rate limiting, and fault isolation.
  • Experience building systems for safe iteration: progressive delivery, correctness checks, automated rollout gates, and production validation.
  • Strong instincts for API and contract design—how to create interfaces that are stable, evolvable, and hard to misuse.
  • Prior work that demonstrates “force multiplier” impact: enabling many teams through a small number of well-chosen primitives.

Skills

Distributed Systems, System Design, Caching, Backpressure, Rate Limiting, Load Shedding, Observability, API Design, Progressive Delivery, Tail Latency Optimization

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