Engineer 1 Interview Questions

1,033 engineer 1 interview questions shared by candidates

In the OA round, they were asked 4 coding questions. 3 of them were up to medium difficulty and 4 th one was a difficult one. In Interview Round 1, they gave me a medium-level graph question and an easy-level question based on strings. In Round 2, they asked 1 Leetcode hard, then they also asked a hard-level programming question and 1 easy question. Round 3 was a HR round.
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Software Development Engineer (SDE) -1

Interviewed at PhonePe

4.1
Dec 3, 2023

In the OA round, they were asked 4 coding questions. 3 of them were up to medium difficulty and 4 th one was a difficult one. In Interview Round 1, they gave me a medium-level graph question and an easy-level question based on strings. In Round 2, they asked 1 Leetcode hard, then they also asked a hard-level programming question and 1 easy question. Round 3 was a HR round.

Q1. What is virtualization and how does it differ from threads and processes? Q2. Explain process synchronization and sockets. Q3. How does MongoDB work? Difference between DBMS and RDBMS. Q4. Explain static vs virtual keyword in C++, constructor vs destructor, and dynamic binding. Q5. If you type a domain name, how do you get its IP address? Q6. Coding: Check palindrome using recursion. Q7. Coding: Detect cycle in a linked list. Q8. SQL: Write a JOIN query. Q9. Problem: Ensure in a 2D matrix that the same character is not placed adjacent. Q10. Why do you want to work at Entrata?
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Software Developer 1

Interviewed at Entrata India

4.1
Sep 16, 2025

Q1. What is virtualization and how does it differ from threads and processes? Q2. Explain process synchronization and sockets. Q3. How does MongoDB work? Difference between DBMS and RDBMS. Q4. Explain static vs virtual keyword in C++, constructor vs destructor, and dynamic binding. Q5. If you type a domain name, how do you get its IP address? Q6. Coding: Check palindrome using recursion. Q7. Coding: Detect cycle in a linked list. Q8. SQL: Write a JOIN query. Q9. Problem: Ensure in a 2D matrix that the same character is not placed adjacent. Q10. Why do you want to work at Entrata?

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