It's simple to build a career recommendation engine with Neo4j. Learn how to do so based on what technology a developer knows, how advanced they are, and where they live.
Continuous integration and delivery are critical DevOps concepts for business stakeholders to understand, and this can be demonstrated through sprint planning.
JIRA's querying language, JQL, can be extremely useful. Look at some secrets when it comes to JQL that can help you make more effective use of your own JIRA instance.
A call to action from a frustrated developer! No, actually, it's more of a tutorial to show you how to speed up Ansible yourself. Probably much more useful.