Revisit Unit testing
Many developers suffer from Unit test guilt; they feel they should be unit testing, have unit tested code in the past, but generally don't bother and feel bad about that. This talk looks at some of the reasons behind this and introduces a different unit test strategy that should actually speed up development rather than slow it down.
Contact testing is a mechanism for verifying your APIs and clients are able to communicate with with each other without writing brittle integration tests. Contact testing can often give you more confidence then large end to end tests in a micro service environment. I'll introduce the topic and give you some useful examples of how to get set up and going.