As I learned, you can also be yourself, never wear a suit on the job and still wear one for the interview. First impressions count. Once people know I can wear a suit they just don't seem to mind me in shorts anymore.. So I might have a social skill after all :D
I'd want to see some actual hard evidence before I believed that. The usual way social cues work is they are devastatingly effective even if people claim they are not. Much like how most interviewers are honestly convinced that their approach is unbiased but in practice they tend to hire people who are like themselves.
My expectation is that turning up in a suit would get better results. The effect is probably smaller in hard-skill roles but I'd assume still present.
I agree, but I suspect that you’d have much better luck if you wore something that was superficially similar to the kinds of things other people wore, but was much better fitted and higher quality. For instance, if you showed up in a nice pair of chinos and a tailored buttoned shirt (of appropriate formality), that might come across as being really put together rather than ignoring subtle social cues by dressing in something that stands out by not fitting in.
I don't know where you live but for most tech jobs here even outside of sv its almost as bad as putting your photo on a resume. Even for very senior non-technical roles you're better off showing up in slacks and a blazer than the whole enchilada
Wearing a suit to a tech interview in silicon valley would without a doubt send the signal that either (a) they have absolutely no clue about SV work culture, or (b) they’re a “look at me” guy who dresses odd on purpose
If they're young it can also be because that's what they've been told to do, if they're from a different culture (even an American one) it may be shockingly weird not to wear a suit to an interview, and there are even people who wear suits all the time because a well-made suit is very comfortable, with no more showing off involved than dressing up any other way. An interview is not a regular work day, best not to summarily judge people like that.
My point is that even knowing the work culture of SV does not mean that people necessarily believe it applies to interviews too, or that a suit will be a negative point, rather than good or neutral. There is a strong culture of looking smart at interviews that overrides knowledge of day-to-day attire. If you really care about people being in casual clothes, mention it in the invite, rather than looking down on them for doing what has been ingrained to be appropriate.
First impressions do count but I think the above poster has a point, a suit can actually harm your chances in an environment where no one wears suits.
There are many ways to wear a suit. If you walking in wearing a suit that doesn't fit, doesn't suite (no pun intended) you, and it obviously makes you feel uncomfortable then that could count against you. But you walk in wearing a suit that fits, makes you look good, and that you are comfortable wearing, then I have a hard time seeing how it will count against you.
Wearing a suit to a technical interview is an immediate red flag. Everybody knows you don't wear suits in this industry, so what's your motive? Your ability to wear a suit is irrelevant for the job, so what weaknesses that are relevant are you rather clumsily trying to hide?
I've gotten a job offer from every technical interview I ever took in a suit, so it Worked For Me. And none of the jobs that I took I ever wore a suit to again (except for conferences or trade shows, and occasionally when I was going out after work to somewhere posh, which did provoke fun "Omg are you interviewing" questions!) Which I actually have found a bit of a shame because I do quite like a chance to wear a suit, though I'm also grateful not to have to iron infinite shirts.
Admittedly I thankfully wasn't in the SV bubble where people are wound this tightly about it!
An interview is not a regular work day. If only things relevant to the job were required in an interview, no one would be talking about whiteboard exercises.
Calling it a red flag may have been too harsh. It's certainly not an immediate no.
However, like it or not, it is a signal because it means you deviate significantly from the mode of the distribution. And a sober application of Bayes suggests that if anything, all else equal that signal is a negative one.
I would go as far as to say being this hyper-focused on clothes rather than if the person is sociable and competent is a red flag itself. It is rather superficial. Vague platitudes about "culture" might get thrown out, but are we engineering and building things or are we putting on a fashion show?
If there is a de facto dress code and you knowingly go against it, even if you look good in whatever you do wear, it makes you look like you don't understand the prevailing norms. This could lead to worries you might not align with other team norms either.
If it's so important, the interview invite should mention that casual wear is expected. Like it or not, most people take interviews seriously, and have been taught that you show you take the interview seriously by wearing a suit.
Tbh, people who blindly accept what they've been taught without considering the situation at hand don't make good engineers anyway (software or otherwise). It's not like programmers not wearing suits is some well-kept secret only accessible to the inner circle. Quite the opposite I'd say.
It's well known that programmers don't wear suits in the office in the SV. It's less obvious they shouldn't wear one in the interview either, because that's not a regular work day. It's not obvious at all to someone from a formal-dress culture like France (Italy? India?). Google's own AI recommends erring on the side of caution and wearing a suit for an SV interview. Yes, people should look up the specific company they're interviewing for... if it even comes to their mind, it's that obvious interviews require suits in some cultures.
If you forgive me the analogy, and assuming you're American, would you think of checking the etiquette of entering into a shop? In the US, the concept itself is weird, you go in, buy stuff, and leave. In France, you must greet the shopkeeper right as you go in through the door. In Hungary, you must wish the shopkeeper a good day in reply to their greeting. It's simple... if you know it's even a thing you should check.
Which is funny, because weren't we in tech the people who aspired to “think different”? But then it didn't become think-different for the individual but for the tech in-group against the "square", boring, formality-driven out-group. And since the world is becoming increasingly informal and any group worth its salt needs to differentiate itself, tech people might be the first to return to wearing suits and ties (or dresses) to work. I'd love that.
"Think different" was a marketing slogan used for Apple products from 1997 to 2002, back when Apple was aimed chiefly at video editing professionals. It was never aimed at techies.
As long as suits and ties remain the uniform of politicians and managers, I don't think techies will ever willingly adopt it for themselves as well.
With reference to the GP about awkward people, if an adult hiring manager is intimidated by an professional applicant wearing a suit to an interview in good faith (after all, it's widely seen as mark of taking the interview seriously), I think it is perhaps not the applicant who need to learn the social skills.
If an interviewer can't tell the difference between a flex and show of good intent, they probably should go back to jobs where they don't need to make judgements of character.
can you just ask them before the interview? "is it okay to wear a suit, or do you guys have a stick up your..."?
I personally dress like a hobo when I'm out and about, and wear a uniform of jeans and a blue shirt when I go into the office, so I really don't care about the suit either way. I'm wearing it for your benefit, so if you don't like it, just tell me upfront - don't make me guess if the job isn't about mindreading.
