Archive of stories published by Delivery.com Engineering

Add Crashlytics to your React Native iOS app

One of the coolest things about React Native is that if you use it together with tools like CodePush or AppHub you can update your app instantly and avoid those painful 1-week app store submissions. That also means that you can push a hotfix on the…


Implementing Persistent Sessions in a Legacy Tomcat Application

When I started my company back in 2011, my co-founder and I built our e-commerce website using Apache’s Tomcat. We used the built-in session manager that stored sessions in memory, but eventually we couldn’t accept the…