Quick 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.

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

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