Amazon Software Development Engineer In Test (SDET) interview questions

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First Round Introduction 1) Stepping Numbers 2) Define test strategy and test plan 3) Design test cases for desktop cloud application Second round 1) More questions on my project as I worked on automation framework development for few months. In depth questions were asked as I explained one of my projects in detail. 2) Design test cases and automation framework for postpaid customers. 3) Amazon Leadership questions. Third round 1) More questions on my projects(In depth). 2) Define test cases for product recommendation on amazon checkout page 3) Find the elements in a sorted row wise and column wise matrix. Fourth Round 1) Introduction 2) Count the number of islands 3) Max Increasing path in matrix. 4) Leadership principle questions Fifth round 1) Introduction and questions on my project 2) Similar to trapping rain water problem 3) Evaluate the expression 4) Amazon Leadership principle questions Time complexity and optimization were asked for all the above problems.