Fix the Broken Search Filter in a Book Catalog API
Company: Instacart
Role: Backend Engineer
Category: Coding & Algorithms
Difficulty: medium
Interview Round: Online Assessment
Overview: This question tests a backend engineer's ability to implement correct filtering logic, including case-insensitive substring matching, whitespace trimming, and multi-field search across structured data. It evaluates practical coding skills in applying boolean conditions and edge-case handling, commonly assessed in backend role interviews to gauge real-world API correctness.
Read the full Instacart Backend Engineer interview experience this question came from