5-10 years of experience
20 different languages and frameworks
Your must be independent but good at teamwork
You must be versatile but an expert in everything
you need to work focused but be able to have a lot of balls in the air at once
agile agile agile agile agile agile agile!
This can happen if your project dependencies are in the wrong order. During the first build, the main project builds before the library projects, and fails. During the second build, the library project built artefacts are cached, and the main project magically builds.