Urban Company✓Verified data point
SDE II - Backend
N/A · 2025-08-19
Breakdown
Build a modular address book service. Support Create, Update, Delete, and Search contacts. Storage should be in-memory (no external DB). System should be scalable to millions of contacts. Time & space complexity for search/update should be close to O(1). Must strictly follow the given API contract. Should run self-contained on port 5000.