Company interview guide
Brex interview guide
Brex interviews emphasize building fintech infrastructure, understanding business workflows, and creating intuitive financial products. Strong focus on B2B product thinking and technical rigor.
Use this guide as an execution checklist: align your prep to each round, rehearse examples for behavioral depth, and run timed technical sessions to validate speed and clarity. Most candidates improve faster when they combine targeted study with regular simulation rather than solving questions at random.
Interview process
4 rounds- 0130 min
Recruiter Screen
Background and startup interest discussion.
- 0260 min
Technical Phone Screen
Coding with focus on practical problems.
- 032-4 hours
Take-Home Project
Build a small feature or API (optional for some roles).
- 044 hours
Virtual Onsite (4 rounds)
Coding, system design, product sense, and behavioral.
Question breakdown
share of loopCoding
35%Practical algorithms, business logic, data modeling
System Design
30%Payment systems, expense management, financial workflows
Product Sense
20%B2B product thinking, user workflows, business understanding
Behavioral
15%Startup mindset, ownership, user empathy
Do
5- Understand corporate finance basics: T&E, reconciliation, accounting
- Know payment card networks: authorization, clearing, settlement
- Be prepared for B2B product design questions
- Study Brex's products and how they serve startups
- Show startup mentality: bias for action, ownership, scrappiness
Avoid
4- Not understanding B2B vs B2C product differences
- Weak grasp of financial workflows and accounting
- Over-engineering solutions for startup environment
- Not showing entrepreneurial mindset
Key patterns to master
These coding patterns appear frequently in Brex interviews.
Complete your prep stack
Pair this guide with topic practice and timed simulation so you can move from knowledge to interview execution.
Keep a short weekly retrospective with three notes: what improved, what stalled, and what you will change next week. That feedback loop makes company-specific prep more consistent and reduces last-minute cramming.