Thought Leadership

We’re passionate about making spend management, expense management, and expense reports better — and we’re also passionate about building a great company where shit gets done and team members love what they do. Read about what we’ve learned in the process of building both an innovative culture and a ground-breaking financial management app.

“What is the best expense management app?” According to ChatGPT?

“What is the best expense management app?” According to ChatGPT?

It’s been a while since we’ve encountered technology that every industry is talking about. ChatGPT is already changing the way we interact with each other, whether it’s students writing papers for class, marketers writing content for SEO, or people trying to figure out what the best taco is on the west coast. 

Scaling SQLite to 4M QPS on a single server (EC2 vs Bare Metal)

Scaling SQLite to 4M QPS on a single server (EC2 vs Bare Metal)

Expensify has an unusual technology stack in many ways.  For example, we don't use DNS internally — just configuration-managed /etc/hosts files — and it works great.  Similarly, we only make limited use of AWS — instead hosting our own hardware for the web and database layer — and it works great.  But most surprising of all is that we don't use MySQL or Postgres — instead using none other than SQLite — and it works great.

The simplest SQLite common table expression tutorial

The simplest SQLite common table expression tutorial

I've been trying to wrap my head around Common Table Expressions for a while, and all the tutorials I've read started out with "simple" examples that were way too advanced for me to follow. Here's my attempt to write a tutorial that starts as simple as possible.

CEO Friday: Why we don’t hire .NET programmers

CEO Friday: Why we don’t hire .NET programmers

As you might know, we're hiring the best programmers in the world.  Sure, everyone says that.  But my coders will beat up your coders, any day of the week.  For example, Mich is barely 5 foot tall, but is a competitive fencer.  Witold is a 6'3" former professional hockey player.  Nate practices knife fighting for fun.  And they're pretty decent programmers, too.

More categories

Better money management = more money to manage.

Get started with Expensify.