When I joined it was still a pretty early stage startup so that wouldn't have been reasonable. When I left it was pretty solidly in the mid-sized company category, so maybe something like that would have been doable (invoices are pretty rude though). I did enjoy helping cross-team though, it's fun working with people you don't work with on a daily basis, and they were/are my friends.

I wouldn't even have minded being seen as the "string pattern/parsing guy". But I was specifically regex-guy in their minds.

Also story for another day and another thread, I was also the MongoDB-guy. Similar to the regex stuff though, in 90% of the questions they'd send to me MongoDB was not the correct choice.

Overall it's more nuanced then could ever fit into an HN comment (yes I brought it up with management, and other issues), but there are a number of reasons I quit. I quit a couple months before a company buyout we knew was going to happen and I had equity. I felt like it was probably the right choice then. I recently got some beers with some of my friends who stayed through the buyout and had equal amounts of equity and learned I did make the correct choice.