Most of the technical questions focused on power supply design. For this position this is a one of the more difficult tasks so they want to know how switching regulators work and different trade offs involved.
Lead Engineer Interview Questions
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Most difficult question is of Salary expectations.
Input is a string like "AAAAABBCCAA" and it should print "5A2B2C2A". 5 being the continuous number of occurance for character 'A'. Same is with other characters also.
2. Swap the two values (int A=5 and int B=3), w/o using a 3rd attribute(so you cant use the 3rd attribute to store the value as a temporary storage).
As above; it starts with a massive take home coding challenge. Basically you're given a very vague problem statement and a small amount of example data (carefully chosen to NOT cover any interesting edge cases), and must come up with an entire solution (design, implementation, API, test cases, code coverage, documentation, everything), all finished to the level you'd expect in production code (ie, full test coverage, edge cases thought about, errors handled, consistent method names, use a logging framework, everything). Don't be surprised if you fail due to something like "we told you we wanted logs, but we didn't tell you what would be consuming the logs, and you guessed wrong, so the formatting of the log messages isn't quite what we expected". Yes, it's THAT nit picky. And no, you can't ask questions during the process.
Given a paragraph of English words, write a function returning the least used word in the paragraph.
For the one-on-one video interviews, some of them asked me to draw up assembly tooling based on a short prompt.
Design a rule to manage deployments
They did ask one technical question that I didn't know the answer to.
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