Simon Systems

Making GraphQL Easy at Simon

In this post, I will introduce DjraphQL, the open source library we built at Simon to unlock the power of GraphQL for our Django web application. I’ll describe some of the challenges we experienced before, and explain how moving to GraphQL resolved those challenges.

The Challenges of Scale, Black Friday and Cyber Monday

The Meaning of Black Friday, literally and…

Take Home Code Test Principles

Being even more effective in an interview process

Communication Outside the Codebase

It’s easy to get away as a poor communicator when you work on a small team sharing a small office…

Engineering Ethos

At Simon, our belief is that great engineering happens naturally when you provide a healthy environment for your team.

Interviewing with Simon Data

Interviewing with Simon? Here’s what to expect. We’re continually improving our process, but this is how…

The Ins and Outs of Data Transfer

Data transfer is a fundamental concept to Simon. At the core of our system, we load data from core…

Mid-air Refueling and Optimizing for Scale

You’ve found product market fit. Customers love your product. New customers are…