Fintech

Policy Engine: How we scaled no-code rule writing at Brex

This article shares our journey of designing…

Building Credit Rating Systems With Scarce Data

This article presents a general modeling framework and…

Building backend services with Kotlin

Programming language selection can be subjective and often…

Building Brex Instant Payouts

We recently launched Instant Payouts — a new feature that shortens the time it takes for our customers to…

Using Real-time Log Data for Fraud Detection

This article aims to act as a helpful resource for other…

A Transaction’s Journey through Brex

Brex is re-imagining B2B financial products, starting with a corporate card for technology…

Building the Brex Accounting API

Brex’s diverse customers use a variety of software tools to run and…

Building a rewards platform from scratch

The design decisions that led us to build our rewards platform from the ground up.

Brex is launching rewards today. This post aims to go over the design decisions that we made to…