Tarun Santani
CS 2025
Mastercard
SDE
285 Reads
๐ฏ Process Overview
๐ Stages:
- Online Test
- Interviews: 2 Technical Rounds, 1 HR Round
๐ Interview Rounds
๐น Technical Interview โ Round 1
This interview was challenging and felt like one of my most difficult experiences.
๐ Questions:
- Introduction
- Java Knowledge:
- When asked if I knew Java, I mentioned that I didnโt.
- Despite this, the interviewer continued with several Java-focused questions, including:
- JUnit and testing concepts, as well as automation with Selenium.
- CI/CD scripting languages.
- Synchronization techniques in Java, including the use of mutexes and implementing them with Java functions.
- Database:
- Given two tables, Book and Author, I was asked about:
- Their relationship type (many-to-many).
- Primary and foreign key structure.
- Optimizing database retrieval speed for both SQL (indexing) and NoSQL (partitioning/sharding).
- Given two tables, Book and Author, I was asked about:
- Projects:
- Discussed *REST API methods, particularly *GET and POST.
- Covered API security considerations and TLS.
- DSA:
- Solved a basic DSA question on identifying the missing element in a sequence (e.g., [1,2,3,5], where 4 is missing).
- Additional Scenarios:
- A question scenario involved *assigning 10 random questions to 3 people, aiming for a specific *Java-based solution.
๐น Technical Interview โ Round 2
Focus: Primarily project-based and extracurriculars.
๐ Questions:
- Projects:
- Discussed my *projects in detail, covering my *approach, execution, and technologies used.
- The interviewer was particularly interested in the unique ideas and names of my projects, which stood out as they were in Hindi and Sanskrit.
- Data Structures and Algorithms:
- Asked to find the second largest element in a list.
- Hackathons:
- Discussed my experience and involvement in hackathons.
๐น HR Interview
๐ Questions:
- Family background.
- Non-technical activities and achievements.
- Details about my internship experiences.
โ Verdict:
- Outcome: ๐ Selected for the position.
- Reflection: Although I felt *underprepared, particularly regarding **Java, I was selected, possibly due to my *unique project ideas and broader range of experience.
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