Interview Cache
Master your next technical interview with real questions from industry leaders.
Circle
11 problems across 4 categories
| Done | Title | Difficulty | Updated |
|---|---|---|---|
| Implement Recipe Storage CRUD Software EngineerCoding | Hard | Apr 2, 2026 | |
| Design in-memory DB with TTL and backup Software EngineerSystem Design | Hard | Aug 13, 2025 | |
| Design an in-memory KV DB with TTL, scans, backup Software EngineerSystem Design | Hard | Aug 12, 2025 | |
| Design banking payment scheduling system Software EngineerSystem Design | Hard | Aug 4, 2025 | |
| Design payment scheduler with cancel and top-K outgoing Software EngineerCoding | Medium | Aug 1, 2025 | |
| Write PostgreSQL updates with date filters Software Engineer | Medium | Jul 17, 2025 | |
| Trace and reduce redundant curl requests Software EngineerSystem Design | Medium | Jul 17, 2025 | |
| Implement cheapest itinerary with date filters Software EngineerCoding | Medium | Jul 17, 2025 | |
| Implement a simplified multi-level banking system Software EngineerCoding | Medium | Jul 17, 2025 | |
| Design flight-price search service Software EngineerSystem Design | Hard | Jul 17, 2025 | |
| Describe pair-programming challenge under time pressure Software EngineerBehavioral | Medium | Jul 17, 2025 |