> 99% of the code I have written over the last few years has been for work and therefore can’t be shared. The little code I have written outside of work falls into 2 categories, minor tweaks to existing code bases or experimental bits of code to try something out

Agreed whole heartedly with this. When I'm writing code for fun, I'm not spending time thinking about spec coverage, architecture, or great data design. I'm just screwing around getting things working.