Build OpenAI's developer-facing API surfaces: Playground, docs, SDKs, and onboarding flows for millions of developers

This role sits on OpenAI's API Experience team, owning the end-to-end developer experience for the OpenAI API — the Playground, documentation, SDK generation pipelines, and onboarding flows. You'll ship full stack projects end to end using TypeScript/React on the front end and a backend language like Python, Go, or Rust, working closely with product, design, and API engineering. Expect a strong emphasis on product judgment: turning ambiguous developer pain points into simple, high-quality experiences at scale.

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What this interview tests

Full stack ownership: product definition through launch and iteration
TypeScript/React frontend craft
Backend API/service design (Python, Go, Rust, or similar)
Developer experience: docs, SDKs, Playground, onboarding
Turning ambiguous developer problems into shipped product

Common question themes

Describe a full stack feature you owned from definition to launch and iteration

How have you improved a documentation, SDK, or API onboarding experience

Tell me about turning an ambiguous developer pain point into a concrete product change

How do you use developer feedback and product analytics to prioritize work

How do you balance reliability/performance/accessibility with shipping speed

How candidates describe it

Real Full Stack Software Engineer interview stories — retold from candidates' public write-ups, with sources.

Google · L3 Software EngineerOffer

Google L3 software engineer interview: phone screen, four coding rounds, and the Googleyness round

A candidate with two years of experience went from recruiter outreach to offer over about four months. The onsite was four 45-minute coding rounds — three of them featuring binary trees — and one round turned into a 25-minute chain of follow-ups about approximating an optimal solution at scale.

Interviewed June 2020 · Bangalore, IN

Google · L4 Software EngineerNo offer

Google L4 Software Engineer Interview: Eight Rounds, No Offer

An L4 Software Engineer candidate went through two phone screens, three onsite rounds, a culture conversation, and a team-matching call with a Google hiring manager, then watched the process stall for about a month and a half over a tightened experience requirement before an added extended round ended without an offer.

Interviewed February 2024 · Not specified

Google · L5 Software EngineerNo offer

Google L5 software engineer interview: phone screening, three onsite rounds, system design, and a late rejection

A candidate interviewing for an L5 role went through a phone screening, three onsite coding rounds, a mobile system design round, and a Googleyness and Leadership round. Two of the four technical rounds went poorly by the candidate's own assessment, and after roughly two months of silence the recruiter reported that the role had been closed.

Interviewed January 2023 · Not specified

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