Amazon Development Centre India Sdet Lead Interview Questions and Answers

Q1. Personal and Technical Round
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Q2. Detail assessment on functional acumen
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Q3. Projects done in relevant area
Ans. 
I have led multiple projects in test automation, performance testing, and CI/CD implementation.
• Led a team in developing automated test scripts using Selenium for web applications

• Implemented performance testing using JMeter to identify bottlenecks in the system

• Set up CI/CD pipelines using Jenkins for continuous integration and deployment

• Worked on integrating test automation with Docker containers for efficient testing

• Co...read more
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Q1. Technical Round Questions Personal and Professional
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Q1. Redux toolkit question
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Q2. React redux toolkit question
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Puzzles aptitude check

Puzzles syntax check

Q1. It was a startup asked basic DSA question, followed by explain the framework
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Q1. Basic SQl question followed by real time scenario like gave me a medical problem and write the manual and automation test cases for it
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Q1. Salary negotiation
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Q1. Selenium,Rest assured ,API,java
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Coding conecpt, apti

Q1. Basic dsa, puzzles
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Q1. Basic dsa, dbms
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Round duration - 60 minutes
Round difficulty - Medium

1 Medium/Easy DSA questions were asked similar to Leetcode.

I was expected to come up with the most optimal solution for the same. I completed the code and explained in 45 mins.

In the remaining time, I was asked questions from Computer Science fundamentals and Java

Q1. Unique Element In Sorted Array
Nobita wants to impress Shizuka by guessing her lucky number.
Shizuka gave Nobita a sorted list of ‘N’ numbers such that every number occurred twice in the list except Shiz...read more
Ans. 
As the array was sorted we can make use of this information to use Binary Search.


// EXPLANATION:-
// Suppose array is [1, 1, 2, 2, 3, 3, 4, 5, 5]
// we can observe that for each pair, 
// first element takes even position and second element takes odd position
// for example, 1 is appeared as a pair,
// so it takes 0 and 1 positions. similarly for all the pairs also.

// this pattern will be missed when single element is ...read more
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Round duration - 60 minutes
Round difficulty - Easy

Low-level system design round. 
Expected to come up with a running code.

Q1. LRU Cache
Design and implement a data structure for Least Recently Used (LRU) cache to support the following operations:
1. get(key) - Return ...read more
Ans. 
Tip 1 : Ask clarification questions
Tip 2 : Try and think in terms of brute force and then gradually optimize your solution
Tip 3 : Ensure to check for edge cases
Tip 4 : Ensure to be thorough with data structures, algorithms and system design concepts.
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Round duration - 30 minutes
Round difficulty - Easy

Standard behavioural questions by HR

Q1. Basic HR Question
The hiring manager was asking about my past work experiences and past projects in my previous company.
Ans. 
Ensure that you are thorough with the design of your project at your current organization.
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