One day I have to take the time to write a blog post on how I started my engineering career at IBM working on mainframe at 21, then freaked out 6 years later in one of the biggest bank in the world where most of those older people where incompetent and judgemental. Everything was dinosaurs in constant politics and lies on both side, vendors and clients.

Worst IT practices and work ethics you could imagine. Lost source code, no comments/documentation, no tests, no monitoring, no benchmarks ... most of the work was done by people without a degree in anything and stayed around for decades. It's not well thought engineering.

I enjoyed working on mainframes, I still think it's amazing technology. Some of my colleagues where the nicest people I ever met, where very skilled and taught me a lot.

But I am now a DevOps working with open source, cloud computing & containerization, everything is nicer and a lot more interesting. And I don't have to fight everyone anymore because I am the one who will have to maintain the crap of retired people (most of the time I would hit a brick wall trying to explain what is IT in the 21st century).