Microsoft

Design a notification service. It should be highly scalable and support multiple notification surfaces such as web, mobile push, SMS, and emails. How to handle failures and discuss how to implement retries in the system. Various questions on the c

The first round will be the Codility test. You will be given a certain time duration and a total of two questions. One question will be difficult, and the other will be easy. Your score will not be given on the spot.

The process takes place in a single day with all major rounds. Additionally, the HR communication is not what you would expect from a big tech company. Initially, you will receive an invite for two rounds. If the feedback is positive, they will then