Tools change every few years. What doesn’t is the ability to read a system end to end — the code, the team building it, and the industry it serves. This is the full stack of what I actually use, not a keyword list optimised for a search algorithm.
Twenty-five years means most of that time was spent making other people’s work better too — not just writing code alone in a corner.
Four industries, each with their own version of “what happens when this breaks.”