Exactly. In my experience there is plenty of challenge in virtually every facet of building a product. I've held a job(at single product shop) for more than 5 y

Exactly. In my experience there is plenty of challenge in virtually every facet of building a product. I've held a job(at single product shop) for more than 5 years. It wasn't like I went to work one day and went 'welp.. everythings done. Lets pack it in!' There was ALWAYS things to do. I guess I get my rocks off by actually accomplishing things. That means doing a really good job no matter what challenge I'm dealing with. There are a lot of challenges in software development. I think too often folks are looking for glamorous problems to solve. It's more about ego than anything else.