Circle Engineering

How Circle makes use of GraphQL

Circle is all about making sending money as easy as sending an email. Many independent creators use web payment services from their fan…

Using Apollo Launchpad to spin up a GraphQL server in minutes

Here at Circle we pride ourselves at keeping our customers 99.99% or more crash-free while using our apps. We recently had a pesky crash on…

At Circle, it is imperative that our customers receive SMS messages because it is one of the main mechanisms (along with TOTP) that we use…

Assuring high availability during ECS Cluster instance upgrades

We’re excited to announce our Android Wear app! If you have an Android watch, you should see it installed on your watch shortly after you…

Today we’ve officially added a Notification Center Widget to our iOS Circle app! Check it out in the App Store.