Comment by Sohcahtoa82

My general belief for interviews is to dress one step up from what you'd be wearing on a day-to-day basis at that job.

I wear shorts and a t-shirt (often a DEFCON or BSidesPDX shirt) usually, so I'd wear jeans and a solid color t-shirt or possibly a polo to an interview, though I haven't done an in-person interview for a job since 2016. For remote interviews, I'm in sweatpants and a polo.

In the early 2000s, I wasn't a tech worker yet, but I always assumed engineers were wearing khakis and a polo, so I would have shown up to an interview with black slacks and a button-up shirt, maybe even a tie.