RANT coming..... Had a system design tech screen for databricks but it went crap. Question was : Design Payment Auth System (e.g. Visa card) for credit card swiping I feel so angry at interviewer. He was not clarifying anything, kept on dogging clarification questions on what needs to be designed, how credit card swiping is supposed to work, was interrupting when I was trying to make progress....wasted almost 30 minutes and I was feeling stuck and almost gave up after 30 minutes Then he did make me move forward but still kept me in confused state of mind on what needs to be done Finally I did come up with basic design and he said time is up I am Indian and he seemed to be chinese(may be taiwanese) and his accent was awful and I was having hard time trying to make sense of his english. I don't know why companies put such people in place to take interviews. Company/People should understand that interviewee spend a lot of time and hardwork to prepare for interviews and putting such people in place for taking interviews is just a big waste of hardwork My problem is not about solving the question, my problem is with the interviewer who was bullsh*ting me and was not giving any direction. I cannot prepare all possible design problems and if someone wants me to solve something in 1 hour interview, then that person needs to collaborate well and give right pointers rather than confused more...specially when I am asking right questions #software #tech #engineering #swe #faang #stripe #amazonaws #apple #spotify #square #google #databricks #datadog #airbnb #discord #snowflake #cabify #glovo #glovo #vmware #coinbase #meta #booking #expedia #twilio #adobe #yahoo #linkedin #dropbox #roku #square #twosigma #snap #referral #layoffs #google #meta #apple #amazon #netflix #microsoft
Had a similar experience with FB interview back in 2020. After that, I have been explicitly mentioning to the recruiter, âplease try and ensure that the interviewer is native English speaking personâ. Nothing against the Chinese, but itâs really difficult to understand them, if they are not native English speakers. I am sure others might feel the same about the Indian accent as well.
And recruiters are satisfying your request? This is BS and I'm not a Chinese. Imo this is a so creepy ask from a recruiter/company. Can you ask your manager to only collaborate with team mates whose native language is English? Do you see how weird that sounds?
Same, I had the same feedback and same question was asked. They expected to know all the digits of a credit card
I had a similar interview with databricks. Same question and the interviewer was not giving any sort of directions which was very frustrating. This was my first interview in 7 years and was a pretty solid downer. Did you give any feedback to the recruiter about this experience?
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payment systems are actually quite tricky because youâre supposed to make them idempotent to handle dropped ACKs (via the âauth-captureâ workflow), BUT itâs honestly still rather convoluted and even a lot of the crappy wannabe architect influencers out there f*ck it up in their half-assed designs. Iâve cracked about 20-30 system design questions over the past 6 months, and thatâs definitely one of the later ones that I took a shot at youâre probably still pissed that the interviewer gave such a crap question, but if youâre interested in knowing the answer too, good material on it is available as âpayment serviceâ in Alex Xuâs 2nd book and frequently referred to as âpayment gatewayâ on the internet. (I took a shot at it over here, btw: https://youtu.be/shipSEFMzHs) picture attached of some resources if you want to double down and grind harder for future interviews⌠that really is a pretty crappy question to get asked though
Is there a similar playbook for coding interviews?
Dislike it, it would be impossible for anyone with a job to crack system design if someone has to do a PHD by studying all above books