Company deep dives

Coinbase interviews

Engineering interviews, wallet services and permission checks.

Explain how you checked AI output

“how you direct AI, how you critique its output, and how you exercise judgment”

CoinbaseEmployer engineering interview update

Coinbase · July 13, 2026

Check a plausible system diagnosis

Coinbase’s July 2026 update marked repo-based coding and debugging as live, along with leadership and behavioral. AI-assisted system design was in early testing. Ask what applies to your interview.

Example

Describe the custody service boundary

“These distributed backend systems help construct, sign, broadcast, and ingest onchain transactions.”

CoinbaseSoftware Engineer, Wallets, Liquidity and Bridging Team posting

Coinbase Careers · Posted November 9, 2026

Separate proposed and authorized actions

This Remote - USA role describes custodial transaction services. Practise distinguishing a proposal from the action it would authorize.

Example

Check permission for the exact action

“Before invoking the handler, it checks whether Bob’s role allows the requested action.”

Anant Jain, Eddie Salazar, Eric Ren and Mustufa JanCoinbase Engineering article authors

Coinbase Engineering · October 29, 2026

Check which version has permission to proceed

The authors describe a permission check for a delegated business action. Practise checking which proposal version has authority to proceed.

Example

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