I'm just now coming out of my not-junior-but-not-senior period of overengineering and wish there were more older devs in my shop to consort with instead of a bunch of other not-junior-but-not-quite-senior devs (if we're being serious and not using senior to mean "I've just been doing this a long time" instead of "I've been doing thing a long time and I've learned from my experiences and here's what specifically").