given an arithmetic expression with parentheses, how would you check that the parentheses are valid
Backend Developer Interview Questions
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1. What is an aggregate query? 2 . How to fetch the Nth document in MongoDB collection
online coding test, base programming knowledge questions, coding exercise, SQL query
The English part consist on a normal chat just to see the level, the technical part was just a background cheeking of the general knowledge on programing.
If we like your code we would love to tell you more about our way to Rule the World;) Implement “hangman” In this assignment we ask you to implement a minimal version of a hangman application using the API spec as outlined below: Method URL Description POST /games Start a new game GET /games Overview of all games GET /games/{id} JSON response that should at least include: word: representation of the word that is being guessed. Should contain dots for letters that have not been guessed yet (e.g. aw.so..) tries_left: the number of tries left to guess the word (starts at 11) status: current status of the game (busy|fail|success) POST /games/{id} Guessing a letter, POST body: char=a ● Guessing a correct letter doesn’t decrement the amount of tries left ● Only valid characters are az (lowercase)
90 minute take-home test: The take-home test was quite easy. I prefer not to give out their question. 30 minute interview with hiring manager: Basic CS questions about distributed computing and scaling type questions with some algorithm and network session and API type questions.
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