TLDR Tech / Crypto
Interviewing Engineers in the AI Era: Lessons from a Year of Rebuilding
Coinbase detailed a year-long overhaul of its engineering interview process after AI-generated code crossed 50% of merged commits in Q4 2025, up from 5.7% in Q1 2025. The company found its old interviews produced false positives (candidates who memorized patterns) and false negatives (candidates with strong judgment but less recall), leading to a three-phase rebuild spanning frontend, backend, and company-wide rollout that now evaluates candidates on AI usage, application judgment, and understanding of AI's limits through live repo-based debugging and behavioral rounds, with a system-design-with-AI round still in early testing.
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