
OpenAI
Senior
Own end-to-end frontier model deployments for OpenAI's most strategic customers in Seoul
OpenAI is hiring a Forward Deployed Engineer to embed with strategic customers in Seoul and take frontier model deployments from first prototype to stable production. This interview probes full-stack build skill, ambiguous-scope ownership, and the judgment to trade off scope, speed, and quality under customer pressure.
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What this interview tests
- End-to-end ownership of a production deployment (discovery to rollout)
- Full-stack coding under ambiguity (frontend + backend, Python/JavaScript)
- Working with LLM/generative-model behavior in a real product
- Scoping, sequencing, and unblocking delivery in fast-moving environments
- Cross-functional collaboration with customer engineering and internal Product/Research/Security/GTM teams
- Judgment and calm decision-making under high-stakes pressure
Common question themes
Describe a deployment you scoped and delivered from prototype to production
Tell me about a trade-off between scope, speed, and quality you had to make
How have you turned field/customer feedback into a change in product or model direction
A time you had to contribute code directly to unblock a stalled deployment
How you communicate technical risk to both engineers and non-technical customer stakeholders
Handling a high-stakes moment where the deployment was at risk of failing
How candidates describe it
Real Forward Deployed Engineer interview stories — retold from candidates' public write-ups, with sources.
Google · L3 Software EngineerOfferGoogle 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 offerGoogle 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 offerGoogle 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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