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Behavioral and leadership · Coding · Machine learning · ML system design · Object-oriented design · Other questions · Practical engineering · Product and business · System design
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Companies: OpenAI
Data Structure Design
Last reported Jul 2026
Companies: OpenAI
Last reported Jul 2026
Companies: OpenAI
Last reported Jul 2026
Companies: OpenAI
System Design
Last reported Jul 2026
Companies: OpenAI
Last reported Jul 2026
Companies: OpenAI
Distributed Transactions & Idempotency · Fault Tolerance & Failover
Last reported Jul 2026
Companies: OpenAI
LLM Applications · Mobile Architecture & Performance · System Design
Last reported Jul 2026
Companies: OpenAI
ML System Design
Last reported Jul 2026
Companies: OpenAI
iOS · Prioritization & Tradeoffs
Last reported Jul 2026
Companies: OpenAI
Last reported Jul 2026
Companies: OpenAI
Communication & Stakeholders · Conflict & Collaboration
Last reported Jul 2026
Design a Social Network class that tracks follower relationships between users. Implement the following operations: follow(userA, userB), unfollow(userA, userB), snapshot()…
Companies: OpenAI
Last reported Jul 2026
Companies: OpenAI
System Design
Last reported Jul 2026
Companies: OpenAI
Database Internals · Key-Value Stores
Last reported Jun 2026
Companies: OpenAI
GPU Infrastructure · Job Scheduling & Workflows · System Design
Last reported Jun 2026
Companies: OpenAI
ML Coding
Last reported Jun 2026
Companies: OpenAI
Data Structure Design · Partitioning & Consistent Hashing
Last reported Jun 2026
Companies: OpenAI
Distributed Transactions & Idempotency · Payments & Ledgers · System Design
Last reported Jun 2026
Companies: OpenAI
GPU Infrastructure · Job Scheduling & Workflows · System Design
Last reported Jun 2026
Companies: OpenAI
System Design
Last reported Jun 2026
Companies: OpenAI
Distributed Transactions & Idempotency · Payments & Ledgers · System Design
Last reported Jun 2026
Companies: OpenAI
Code Quality & Maintainability · Low-Level Design (OOP)
Last reported Jun 2026
Companies: OpenAI
Simulation & State Machines
Last reported Jun 2026
Companies: OpenAI
Ambiguity & Decision Making · Ownership & Execution
Last reported Jun 2026