Infosys HackWithInfy Interview Experience for DSE (2022)

Infosys’s HackWithinfy is a coding competition that happened in February 2022 for engineering students graduating in 2023,2024, 2025. You can register for this competition via the InfyTQ homepage.
The top performers from Round 1 will get –

• Pre-placement Interview Opportunities for Niche Technical Roles at Infosys
• Paid Internships
• Chance to become a Campus Ambassador
• Opportunity to Work on Challenging Problems and Mentorship by Technology Leaders

Eligibility:

1. The participant shall be of age 18 years or older, on the day they make an entry/registration, and must be a resident of India. Participation in this Event is voluntary.
2. Participants must be graduating in 2023, 2024, or 2025 with a B.E., B. Tech, M.E., or M. Tech degree. If there is any doubt regarding a participant’s eligibility, the Company reserves the right to request verification of that eligibility.
3. By participating in the Contest, Participants are presumed to have agreed to these terms and conditions.

First Round consists of three coding questions each with difficulty levels of easy, medium, and hard respectively.
Top 100 finalists from Round 1 will compete in the Grand Finale and Grand Finale has prize money for winners.
Those who were out of the top 100 got interview calls depending on the number of questions they completed.

I completed 1 question completely and the other half so I got an interview call for DSE(Digital Specialist Engineer) role.

Interview:

The Interview Started with a formal Introduction from both sides and then moved up to technical domain questions. The questions that were asked are:

• Types of Parameters in C++
• Types of Data type
• OOPs concepts and examples ( code only for Polymorphism)
• Definition of Array, Linked List, Stack, Tree.
• Difference between Stack and Queue.
• Implementation of all types of Data Structure.
• What is TCP/IP Model?
• What is IP address and its types?
• Write a program to check whether the even element sum or odd element sum is greater and print the greater one.
• ACID properties in DBMS
• What is Order by & Group by?
• Write a SQL query to get the maximum and 2nd maximum salary.
• Commands of DDL and DML.

This was the only interview scheduled and after approximately a month I got mail from Infosys that I cleared the interview and hence selected for the DSE role.

Tip: Be clear with the fundamentals of Computer Science and Programming language that you choose as primary.