I'll be 29 in a couple of months. Started programming in high school but didn't get really serious about it till college. Have been working professionally for 6 years. Overall I'm proud of what I've accomplished but after scouring this site for even my limited amount of time, I wonder if I've been slacking too much as I don't consider myself a senior developer. Some days I wonder if I'll feel like I'll ever reach that point, given just how much there is to know out there.