I'm the tech evangelist at Zalando and co-organize our Open Source Guild. Our engineers fit your criteria and would be open to your contributions: https://gith

I'm the tech evangelist at Zalando and co-organize our Open Source Guild. Our engineers fit your criteria and would be open to your contributions: https://github.com/zalando https://github.com/zalando https://github.com/zalando-stups https://github.com/zalando-stups We have projects in Go, Clojure, Python, Scala, Java ... I'm a beginner-level coder and my colleagues have been extremely supportive, staying late to teach me JavaScript and reviewing my Python. Let us know if you end up contributing: @zalandotech. :)