How would you prevent cascade failure between micro-service, i.e. how can circuit breaker be implemented ?
Backend Developer Interview Questions
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If you were designing a multi-threaded program to crunch numbers and do highly cpu intensive processing would you expect a single threaded program to do better or one using 50 threads and why?
Explain how you would handle a large amount of data, given you have a limited amount of memory.
Would you like to waste 4 hours of your life developing a solution to a half baked, poorly thought out, years old challenge, and get no feedback or response?
The most complex thing I had to develop was a Docker-based project, where I would simulate drones and report all that to a message broker (RabbitMQ in this case) and then display the location, speed, ID and highlight the moving drones that had not been moving for more than 10 seconds in a single-page dashboard.
Implement a simple version of Brex’s backend (check if card has enough remaining balance to accept incoming transaction) using database. After that, think about fraud detection, if all you have is the information about the transaction.
What does SOLID stand for?
Asked to build a webscraper in Nodejs and to output the result in a comma separated value file
Determine whether a circular array with magic indexes contains a full circle. The array is circular in the sense that, the entry A[i] points to entry A[A[i]]. Full circle means it covers all the elements of the array. As a follow-up, I was asked to solve the problem in O(1) space. Example: Input: [2,3,1,4,0], Output: true Input: [2,3,2,4,9], Output: false
Quelle est la complexité d'un algorithme de tri
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