I definitely think that early retirement and lack of cutting-edge experience are two big reasons you might not see as many older devs. That and if the older dev

I definitely think that early retirement and lack of cutting-edge experience are two big reasons you might not see as many older devs. That and if the older dev doesn't show career growth in their experience, it makes you question what they're going to bring to your company. But I definitely always have, and currently do, work with older devs. Hell, I'm "older", but have coworkers 10 and 20 years older than me. Surprise: we don't work for a start-up.