The interview process consisted of four rounds. The first was an online coding round that focused on Data Structures and Algorithms (DSA), with two medium-to-hard level questions related to Graph and Dynamic Programming. Candidates who cleared this round were invited to the Mastercard office in Vadodara for further interviews.

The second and third rounds were technical interviews. The first technical round included questions from DBMS, OOP, and DSA. I was also asked to solve problems like 2-Sum and matrix rotation on paper. They also asked questions from Java, such as annotations and dependency injection. In the second technical round, the focus was on my projects, designing a football match management system (including DB design), writing SQL queries, and one matrix-based DSA problem.

Though I didn’t make it to the HR round, the interview process was well-structured and the interviewers were supportive. It was a great learning experience.

Graph-based problem (medium-hard) in first round

DP based problem(medium-hard) in first round.

Difference between Linked List and Array

Q4. Solve on paper:

2-Sum problem

Rotate matrix by 90 degrees

What is a Primary Key and Foreign Key? Can Foreign Key be null?

What is Dependency Injection? example ?

Puzzle: You have 3L and 5L jugs, how will you measure 4L? (not sure exact que)

Design a football match management system

Write SQL queries based on your DB design

How was your first technical round? What went well and what didn’t?

Sort a 2D matrix (DSA problem)