Credit Karma leverages data for over 60 million members to deliver a personalized user experience. When you visit our site or use our mobile apps, we crunch your credit report and other factors in real time to understand how we can help you improve your credit score, refinance your credit card, or otherwise make financial […]
The gap between development and production environments https://github.com/creditkarma/maven-exec-jar-plugin The Maven executable jar plugin was made at Credit Karma by developers who wanted their local environment to match their application’s production environment. In other deployment formats used by Java/Scala apps, jars are smashed together into either one “uber” jar or zipped into a file that must be uncompressed […]
When I started at Credit Karma in late 2014, we were introducing Kafka into our data architecture. We were building out what would become the core data infrastructure for the company, which is and was growing rapidly. In a mere three months we were pushing 175k JSON events per minute into Kafka. At that time, […]
Originally posted in Scott Livingston’s blog At Credit Karma, my team maintains a service powered by a multi node Akka cluster. Akka is a framework for building distributed, concurrent, and message-driven systems in Scala. It helps us easily scale our service, and gives us some resilience when problems inevitably happen in production. In this post, I’ll cover two […]
