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by fatnoah
1598 days ago
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I'm also in my mid-40's and did the leetcode for a MAANG interview a couple years ago. I also looked at it as a thing I'd spend some time on every now and then to shake off the rust and to practice for the hiring process itself. Like my past studying for SAT or LSAT, it was as much about preparing myself for the test itself vs. trying to gain some specific knowledge. Time management, making sure to test, and knowing that there are almost always naive vs. optimized solutions for these types of problems and learning how to quickly identify the naive solution (i.e prove I can solve) and then figuring out the optimization. In any case, I enjoyed the process and didn't really practice more than 10-15 hours. I literally just kicked off the rust and got used to managing time. If you get too deep in to "I've optimized systems to process millions of transactions/second, and some 25 year old is sweating me on hashtables" you're going to have a bad time. The ironic part of the interviews at this level of experience was that the coding portions ended up feeling tough, but I was able to talk work through them. For one company, one of the two system design round was with someone who couldn't have been more than 3 years out of college (with PhD though) and had only been at that big company. That was my hardest interview because the person I was talking to had zero to little actual experience there. They knew the problem and expected answer, but didn't know the space. It was VERY HARD to talk about things that they very obviously didn't understand in terms that they did understand without sounding condescending. |
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