Brex Engineering Interview Guide

Technical interview preparation for Brex engineering roles: the Brex interview process, Elixir-heavy backend, corporate card infrastructure.

CodeSwiftr Team · 2026-03-19

For a deeper understanding of Brex's engineering culture and technical challenges, start with our Brex engineering deep dive.

For additional preparation, see our guide on Brex Software Engineer Interview Guide.

The behavioral round is where many candidates fall short — prepare with our behavioral interview guide.

Technical rounds at Brex lean heavily on architecture — our system design interview guide covers the key patterns you'll need.

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