How would you handle concurrency in a back-end API?
Backend Software Engineer Interview Questions
2,345 backend software engineer interview questions shared by candidates
The one question (non-technical) which everyone asked me was: Why do you want to work for Livongo?
How would you prevent cascade failure between micro-service, i.e. how can circuit breaker be implemented ?
Explain how you would handle a large amount of data, given you have a limited amount of memory.
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.
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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