Fresher / Entry leveltech

Software Engineer
Interview Questions

Covering Infosys Software Engineer interview questions — InfyTQ, technical, and HR preparation guide.. Free, no signup required.

10 questions ready

Technical Questions
Q1
Explain the difference between REST and GraphQL APIs. When would you choose one over the other in a real-world application?
Why they ask this:* They're assessing your understanding of modern API design patterns and whether you can make informed architectural decisions based on project requirements.
Q2
Write pseudocode or explain how you would reverse a linked list. Walk me through your approach and time/space complexity.
Why they ask this:* They're evaluating your fundamental data structures knowledge, problem-solving approach, and ability to communicate algorithmic thinking clearly.
Q3
What is the difference between SQL and NoSQL databases? Give an example of when you would use each.
Why they ask this:* They're testing your understanding of database paradigms and whether you can match database choices to appropriate use cases.
Q4
Describe what happens when you type a URL in your browser and press Enter. Walk through the key components involved.
Behavioral Questions
Q5
Tell me about a time when you had to learn a new programming language or framework quickly to complete a project. What was the situation, and how did you approach the learning process?
Q6
Describe a situation where your code had a bug that was difficult to find. How did you debug it, and what did you learn from that experience?
Q7
Tell me about a time when you had to work with a teammate who had a different approach to solving a problem. How did you handle the disagreement?
Situational Questions
Q8
What would you do if you discovered a critical bug in production code that was deployed this morning and your senior developer is unavailable?
Q9
How would you handle a situation where a feature you spent a week building is being rejected during code review because it doesn't meet the team's coding standards?
Q10
What would you do if you realized mid-sprint that you severely underestimated the complexity of a task and won't finish it on time?
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