Ernst & Young Senior Software Engineer Interview Questions, Process, and Tips for Experienced

Coding test based on Array , Map ,set and linked list

Q1. Kotlin, core android and project related questions
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Q1. Client round - kotlin , di , coding and core android questions
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Q1. Salary discussions only
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Round duration - 90 Minutes
Round difficulty - Medium

Q1. 
Duplicate Integer in Array
Given an array ARR of size N, containing each number between 1 and N-1 at least once, identify the single integer that appears twice.
Input:
The first line contains an integer...read more
Ans. 
Identify the duplicate integer in an array containing numbers between 1 and N-1.
• Iterate through the array and keep track of the frequency of each element using a hashmap.

• Return the element with a frequency greater than 1 as the duplicate integer.

• Ensure the constraints are met and a duplicate number is guaranteed to be present.
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Round duration - 45 Minutes
Round difficulty - Medium

They wants to Check your Problem solving techniques with best case and how you approach a problem and the way you solve
they wants to solve in more than one way 
also they ask basic Questions Related to your frame Work you are working

Q1. 
Anagram Pairs Verification
In this task, you need to verify if two provided strings are anagrams of each other. Two strings are considered anagrams if you can rearrange the letters of one string to form t...read more
Ans. 
Verify if two strings are anagrams of each other by rearranging their letters.
• Create character frequency maps for both strings.

• Compare the frequency of characters in both maps to check if they are anagrams.

• Return 'True' if the frequencies match, else return 'False'.
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Round duration - 20 Minutes
Round difficulty - Easy

General About yourSelf and How was your previous round and CTC discussion

Q1. Can you discuss the CTC (Cost to Company) offered in this position?
Ans. 
The CTC offered for this position is competitive and includes salary, benefits, and bonuses.
• CTC includes salary, benefits, bonuses, and other perks

• Negotiation may be possible based on experience and skills

• CTC details are typically discussed during the final stages of the interview process
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Q1. Basic java and angular questions
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Basic technical question on finding duplicate alphabets in a string

Q1. What is your plan 5 years down the line, how to resolve conflict in the team
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This round is purely based on DS /Algo and System Design and their real-life applications implications and a few case studies.

Q1. How memory is managed in python?
Ans. 
Python uses automatic memory management through garbage collection.
• Python uses reference counting to keep track of memory usage.

• When an object's reference count reaches zero, it is deleted.

• Python also uses a garbage collector to clean up circular references.

• Memory allocation is handled by the Python memory manager.

• Python provides tools like sys.getsizeof() to monitor memory usage.
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Q2. Three-tier architecture, Flask, Docker, Redis,Microservice,Design Patterns
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Q1. Aptitude-based and technical situation questions with senior members of the team.
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Q1. Why are you looking for a change?
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Q2. Where do you see yourself in 5 years?
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