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Wayfair Interview Question Bank

Wayfair is a Boston-based online retailer of furniture and home goods. Its ML interviews lean heavily on business and product judgment in e-commerce scenarios rather than on modeling depth. Its software loops pair practical coding with both a large-scale system design round and an object-oriented app design round.

14

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Last updated 2026/10/15

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Design Shazam (Song Recognition)

Onsite system design: build a song-recognition service that identifies a song from a recorded audio clip. The round runs in three sessions: core functionality and design, then scaling to 100k user queries on weekends, then a pipeline for adding new songs that must also handle 100k QPS.

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