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9 problems across 2 categories
| Done | Title | Difficulty | Updated |
|---|---|---|---|
| Implement Game Metadata Lookups Data EngineerCoding | Hard | Apr 3, 2026 | |
| Design Video Call Analytics Tables Data EngineerSystem Design | Hard | Apr 3, 2026 | |
| Design Slack-like chat system Software EngineerSystem Design | Easy | Mar 1, 2026 | |
| Explain your database experience and debugging approach Software EngineerCoding | Hard | Feb 4, 2026 | |
| Explain C++ alignment and ABI stability Software EngineerCoding | Hard | Dec 8, 2025 | |
| Implement an asyncio-based chat server Software EngineerCoding | Medium | Oct 25, 2025 | |
| Design leader election using Redis leases Software EngineerSystem Design | Medium | Oct 25, 2025 | |
| Design a Slack-like chat system Software EngineerSystem Design | Medium | Oct 25, 2025 | |
| Debug and mitigate a CPU spike incident Software EngineerCoding | Medium | Oct 25, 2025 |