Infosys Software Engineer Interview Questions
Infosys technical interviews for freshers and experienced hires test core computer science fundamentals: OOP, data structures, SQL, and reasoning ability. The style is structured and predictable — solid preparation on fundamentals goes a long way.
What they assess
Sample Infosys Software Engineer interview questions
Explain the four pillars of object-oriented programming with a real-world example.
How to answer: Use concrete analogies — a Vehicle class, a Bank Account — not abstract definitions.
Write a SQL query to find the second-highest salary from an employees table.
How to answer: Know both the subquery approach and the DENSE_RANK() window function approach.
What is the difference between a process and a thread? When would you use multithreading?
How to answer: Anchor your answer with a real example like a web server or download manager.
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