Interview Cache
Master your next technical interview with real questions from industry leaders.
Master your next technical interview with real questions from industry leaders.
15 problems across 4 categories
| Done | Title | Difficulty | Updated |
|---|---|---|---|
| Optimize a dispatcher’s scheduling data structures Software EngineerCoding | Easy | Feb 12, 2026 | |
| Design an NL-to-formula assistant Software EngineerSystem Design | Easy | Feb 12, 2026 | |
| Implement undo/redo with two stacks Software EngineerCoding | Medium | Jan 22, 2026 | |
| Explain how to make robust HTTP API calls Software EngineerCoding | Medium | Jan 22, 2026 | |
| Design an async API with idempotency Software EngineerSystem Design | Medium | Jan 22, 2026 | |
| Design a scalable search service with sharding Software EngineerSystem Design | Medium | Jan 22, 2026 | |
| Count business days excluding holidays Software EngineerCoding | Medium | Jan 22, 2026 | |
| Implement spreadsheet undo/redo operations Software EngineerCoding | Medium | Nov 4, 2025 | |
| Design NL-to-Formula assistant for Airtable Software EngineerSystem Design | Medium | Nov 4, 2025 | |
| Diagnose metric anomalies and evaluate new algorithm Data ScientistProduct Sense | Easy | Oct 14, 2025 | |
| Answer ambiguity and PM disagreement behavioral questions Data ScientistBehavioral | Easy | Oct 14, 2025 | |
| Implement BFS serializer and deserializer Software EngineerCoding | Medium | Sep 6, 2025 | |
| Design JSON serialization for circular references Software EngineerSystem Design | Hard | Sep 6, 2025 | |
| Design a lazy-initialized connection pool Software EngineerSystem Design | Medium | Sep 6, 2025 | |
| Design a lazy ConnectionPool Software EngineerSystem Design | Medium | Aug 4, 2025 |