Spotify Coding Interview Questions
31 Spotify coding interview problems with full optimal solutions — 22 easy, 7 medium, 2 hard. Every problem ships with multiple approaches (brute-force first, then the optimal), complexity tables for each, company-specific tips on what an Spotify interviewer values, and a FAQ section.
Showing 2 problems of 31
- #30hardfoundational
30. Merge K Sorted Lists
Merge k sorted linked lists into one sorted list — a priority-queue pattern that maps to how Spotify merges sorted event streams from multiple data-pipeline shards when reconstructing a global play-history timeline.
- #31hardfoundational
31. Word Ladder
Find the shortest transformation sequence from one word to another changing one letter at a time — BFS on an implicit graph that mirrors Spotify's genre-to-genre shortest-path queries in its music taxonomy graph.