Amazon Software Development Engineer/Software Development Engineer Test interview questions

It all starts by phone screening, which includes 2 rounds of phone interviews 2nd one subjected to clearing the first one. After clearing phone screen, they call you for the onsite interview where in total 5 rounds of face to face interviews happen. Phone screen : 3 programming questions, one listing of test cases, explaining a process. programming questions 1) Given a number, find out how many times each digit is repeated in it. 2) Given a number, sum its digits till the sum becomes a single digit. eg. 12345-15-6 Optimize it to O(n) complexity. 3) Given two roman numbers, sum them and print the sum in roman. eg. X+IV=XIV test case 1) list test cases for phone alarm system. process 1) explain the steps that happen after a url is entered on the address bar of a browser and enter is pressed. like wise in the face to face interview the algorithmic questions difficulty level increases and even for the test cases and test automation framework.

Good interview 1. Find the sum of all even numbers in fibonacci series?