Coinbase·Software Engineer

Coinbase Software Engineer interview experience

No offer

Hard

Negative

Candidate report, summarized by Dataford

I hit Coinbase technical rounds centered on algorithmic problem-solving, and the difficulty depended heavily on how complete you could be under time pressure.

Technical question set — I dealt with parsing and sorting a log file by thread ID and timestamp, then a separate task to generate NFT combinations from input attributes (including follow-ups about duplicates and weighted attributes).
Harder multi-part execution — In a related hard journey, I saw a 3-question interview where the third question alone ran 50+ minutes and left some test cases unfinished. Outcome: I didn’t include a final offer here, but the takeaway was clear: Coinbase can combine parsing/string problems with combinatorics, and under pressure you need a plan to

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