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Coinbase AI coding interview: 2 candidate reports

What candidates say the round looked like, summarised in our words, each linked to where it came from. Coinbase hasn’t confirmed these details unless the source says “Official page”.

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At a glance

Stage
Onsite (1 of 2 reports)
The AI
Built-in AI chat (1 of 2 reports)
The task
Mixed (1 of 1 reports)
The AI could
write code (at least half of 1 reports)

The reports

Onsite · October 2026

Didn’t pass

Final round included an ‘AI enhanced domain’ round on an existing codebase in 3 parts. The candidate read and understood the code themselves, formed a hypothesis for each fix, then worked with the built-in assistant to implement it, iterating until every test passed, and got through all 3 parts. They were still rejected, with the feedback that they ‘used the AI a little too much’. The other rounds, behavioural and a technical execution round coded in a blank editor, went well.

AI: Built-in AI chat that could write code · Task: Mixed · Source: Blind thread

Phone screen · November 2025

Coinbase’s AI Recruiter Screen is a conversation with an AI that this candidate compared to talking to ChatGPT. It gives an overall feel for the role and, for them, was behavioural only. They ran out of time trying to cover every question, so have resume talking points for the role ready. Check that the invite email is genuine before you start.

AI: No AI · Source: Blind thread