Interview atlas
Explore 55 curated Q&As across 1 employers — filter by career stage, round, or company.
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Reported in OpenAI USA engineering loops. Sort-and-sweep array problem common in calendar and scheduling interviews.
Reported in OpenAI USA engineering loops. Introductory dynamic programming problem isomorphic to Fibonacci.
Reported in OpenAI USA engineering loops. Hash map plus doubly linked list problem bridging DSA and system components.
Reported in OpenAI USA engineering loops. Classic DP testing tabulation, space optimization, and item selection reconstruction.
Reported in OpenAI USA engineering loops. Graph algorithm for non-negative edge weights using priority queue.
Reported in OpenAI USA engineering loops. Foundational system design covering APIs, encoding, storage, and read-heavy scaling.
Reported in OpenAI USA engineering loops. System design testing token bucket, sliding window, and Redis coordination.
Reported in OpenAI USA engineering loops. Mid-to-senior design spanning WebSockets, message storage, and presence.
Reported in OpenAI USA engineering loops. Caching patterns for system design and backend performance tuning.
Reported in OpenAI USA engineering loops. Infrastructure design question covering L4/L7 balancers and health checks.
Reported in OpenAI USA engineering loops. Behavioral STAR question assessing collaboration and conflict resolution.
Reported in OpenAI USA engineering loops. Leadership behavioral question for senior and lead engineering tracks.
Reported in OpenAI USA engineering loops. Managerial and lead-round question on coaching, feedback, and growth.
Reported in OpenAI USA engineering loops. HR negotiation question requiring research and flexible framing.
Reported in OpenAI USA engineering loops. API design question covering resources, HTTP semantics, and versioning.