I was so lucky as to become the TL of the Code Search UI at Google less than a year after I joined. While there were certainly frustrations, one thing that was

I was so lucky as to become the TL of the Code Search UI at Google less than a year after I joined. While there were certainly frustrations, one thing that was wonderful was meeting random SWEs and have them go "Code Search is awesome!" That's the equivalent of meeting the patient. Getting regular reminders of how what you do actually helps real people is a big booster. Certainly difficult to do for some programming jobs, but if that's the case, maybe ask yourself if you're working on the right part.