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McKinsey & Company Junior Engineer Interview Questions and Answers
1 interview found
Anonymous
I applied via Campus Placement and was interviewed in Sep 2022.
4 Interview Rounds
Coding Test Round
There were 2 DSA questions that we had to solve on HackerRank. One of them was a medium dynamic programming question - minimum insertions required to make a string palindrome. The other was a fairly easy question that required knowledge of permutations and combinations. We just had to figure out a maths formula given the situation.
1st round also involved a logical game that we had to play. We were scored based on coding + game and shortlisted for next round.
Coding Test Round
An interviewer joined me on zoom meet and sent a HackerRank link to a question. It was a medium dynamic programming/backtracking question. I solved it but only half the test cases ran while others threw TLE as my recursive code took exponential time.
One-on-one Round (7 Questions)
- Q1. Explain what happens after you search a url on your browser. (Had to explain the whole DNS working) Add Answer
- Q2. Explain how video calling works. (Had to explain the whole OSI model) Add Answer
- Q3. Asked possible causes of ClassNotFoundException and MemoryOutOfBoundException Add Answer
- Q4. Asked 2 or 3 case study questions like designing a car infotainment system. Add Answer
- Q5. Asked about the usefulness of OOPS. Add Answer
- Q6. Asked how Java code compiles/runs(had to explain about creation of class file, JVM etc) Add Answer
- Q7. Asked about working of https. Add Answer
HR Round (4 Questions)
- Q1. Explain few challenges that you faced during a project/internship. View Answers (1)
- Q2. Where do you see yourself in 5 years? View Answers (1)
- Q3. Explain a project that you did View Answers (1)
- Q4. Tell me about a conflict that you may have faced during a project/internship View Answers (1)
Interview Preparation Tips
- Data Structures and Algorithms
- Computer Networking
- System Design
- Operating Systems
- OOPS
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3 Interview Rounds
Aptitude Test Round
It was easy cognitive aptitude and reasoning qsns
Coding Test Round
Med-Hard problems given 1hr to solve for 2 qsns
Technical Round (2 Questions)
- Q1. Explain one of the project that you are good at View Answers (1)
- Q2. What is your long term goal View Answers (1)
Interview Preparation Tips
Prithwindra Sarkar
I applied via Naukri.com and was interviewed in Sep 2024.
2 Interview Rounds
HR Round (2 Questions)
- Q1. Tell me about yourself View Answers (1)
- Q2. Diagram of water treatment View Answers (1)
HR Round (2 Questions)
- Q1. Personal details Add Answer
- Q2. Why you want to join View Answers (1)
Interview Preparation Tips
1 Interview Round
Aptitude Test Round
Apptitude round mainly english
I applied via Campus Placement and was interviewed in Dec 2021.
3 Interview Rounds
Interview Questions
- Q1. Basics of accounting
Add Answer
Interview Preparation Tips
I applied via Campus Placement
3 Interview Rounds
Coding Test Round
Initial test contained two coding questions
Group Discussion Round
A case study was provided to group of 8 people
HR Round (3 Questions)
- Q1. C++ problem questions Add Answer
- Q2. Sql queries and table manipulation questions Add Answer
- Q3. Critical thinking question Add Answer
I applied via Naukri.com and was interviewed in Sep 2024.
2 Interview Rounds
HR Round (2 Questions)
- Q1. Tell me about yourself View Answers (1)
- Q2. Diagram of water treatment View Answers (1)
HR Round (2 Questions)
- Q1. Personal details Add Answer
- Q2. Why you want to join View Answers (1)
Interview Preparation Tips
1 Interview Round
Aptitude Test Round
Apptitude round mainly english
I applied via Deloitte and was interviewed in Jan 2023.
3 Interview Rounds
Resume Shortlist Round
Aptitude Test Round
In first round they will ask a pseudocode basics.
Coding Test Round
In second round they ask a question in coding segment in C,C++, Python
Interview Preparation Tips
3 Interview Rounds
Aptitude Test Round
It was easy cognitive aptitude and reasoning qsns
Coding Test Round
Med-Hard problems given 1hr to solve for 2 qsns
Technical Round (2 Questions)
- Q1. Explain one of the project that you are good at View Answers (1)
- Q2. What is your long term goal View Answers (1)
Interview Preparation Tips
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