The way IT change economy, work and the world is growing and impactful, and we just start to think about our process as IT workers. What is our role? Why developer efficiency is really important? How about deliverability velocity? This talk is focus on process, tools and organisation around the software delivery and focus about the infrastructure role. The goal is to give insight about architecture choices, arguments to promote projects and investments to the management, transitional vision and traditional IT integration. Starting with https://www.clever-cloud.com/blog/company/2016/04/18/what-is-a-developers-job/ to the essential organisation of the dev and ops communication, and how to interract with devops thing. And more, How the book-keepers of the company wreak havoc the all IT efficiency on a company.