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Lyft's engineering loop is hands-on and execution-heavy: candidates repeatedly see practical API-wrapper, in-memory data-store, scheduling, and product-system prompts rather than abstract puzzle rounds. Senior loops add system design around payments, donation flows, web crawling, or marketplace-adjacent products, while frontend and intern tracks lean toward small project-style implementation.

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Coding·60 min
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Rotten Oranges / Grid Infection BFS

A recurring phone-screen and OA-style coding prompt equivalent to the rotten-oranges family: run a BFS infection process on a grid and compute whether all reachable fresh cells can be converted.

SWE
bfs
grid
medium
Last asked 2026-05-124 related discussions

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