Hmm, nothing too sexy. The most important code I've written was a tool to automate some business logic for schematics generation, hard to quantify the exact cos

Hmm, nothing too sexy. The most important code I've written was a tool to automate some business logic for schematics generation, hard to quantify the exact cost savings but it saves a couple of million/year (cost of writing off hardware built on a bad schematic) and hundreds of hours of engineer time / year.