Openai Software Engineer Interview Questions
OpenAI Software Engineer interview questions typically probe both classic engineering fundamentals and how you apply them in a research-driven, safety-conscious environment. What’s distinctive is the strong emphasis on mission alignment, clear technical communication, and the ability to reason about tradeoffs in complex ML systems; interviews commonly evaluate algorithmic problem solving, system design, code quality, and a technical deep dive into past projects. You should expect a mix of pair-coding or timed coding assessments, one or more domain-focused technical interviews, and behavioral discussions that assess collaboration, ownership, and ethical reasoning. For effective interview preparation, balance algorithm and data-structure practice with system-design thinking and a polished narrative about your projects. Familiarize yourself with OpenAI’s public research, blog posts, and the company’s charter so you can discuss how your work would fit the mission. Practice articulating design tradeoffs, writing clear, testable code under time pressure, and presenting a technical deep dive of a past project with measured outcomes. Recruiters often share format details and prep pointers, so use those to tailor your study and mock interviews.

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Design a sandboxed cloud IDE
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Implement an in-memory SQL-like table
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Implement credit ledger with out-of-order timestamps
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Design a distributed crossword fill solver
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Implement toy-language types and generic substitution
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Simulate turn-based monster team battle
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Implement a memory allocator with malloc/free
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Implement a persistent sharded key-value store
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Implement map serialization and deserialization
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Design a payment processing system
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Answer project deep dive and cross-functional questions
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Implement IPv4 iterators and CIDR expansion
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Refactor a chat message processing function
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Design a CI/CD system with stuck-job handling
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Design a crossword puzzle solver system
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Implement type AST and infer generics
Toy language type system: AST + generic inference You are implementing a tiny type system for a toy language with: - Primitive types: char, int, float...
Design a CI/CD system with live log streaming
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Design GPU credit allocator
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Design a ChatGPT-like web chat UI
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Implement a Simulated Memory Allocator
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