Sounds like you have two legit gripes. Not enough pay and not getting assigned lead roles. You have to complain to your manager about both. Maybe you will get

Sounds like you have two legit gripes. Not enough pay and not getting assigned lead roles. You have to complain to your manager about both. Maybe you will get one or the other. If you get none, well, then ask why not. Get an honest assessment about why. And do an honest assessment about why this guy might be better than you. Maybe you just have a bad manager or a manager that values other things. I had a similar experience. New guy came in. Was not as good of a developer, got less done, but manager liked him better. I complained, and got more pay while other guy got promotion. I was better at getting shit done, new guy was better at communicating, plain and simple, and manager liked that better. Story of my life.