DevOps is the combination of cultural philosophies, practices, and tools that increases an organization's ability to deliver applications and services at high velocity: evolving and improving products at a faster pace than organizations using traditional software development and infrastructure management processes.

A DevOps engineer introduces processes, tools, and methodologies to balance needs throughout the software development life cycle, from coding and deployment, to maintenance and updates. Development teams and IT operations teams can have different skills and different goals.

DevOps teams usually require coding knowledge. That doesn't mean coding knowledge is a necessity for every member of the team. So it isn't essential to work in a DevOps environment. ... So, you don't have to be able to code; you do need to know what coding is, how it fits in, and why it matters