Infosys Interview Experiences

Overview

Learning from real interview experiences helps you understand what to expect and how to prepare effectively. The experiences below are composited and rewritten from multiple public candidate reports (GeeksforGeeks, Glassdoor, campus placement blogs) rather than transcripts from a single named individual - candidate names are not attached to any real person.

Interview Process

Infosys interview process typically consists of 2 rounds: Technical Interview (30-45 min) and HR Interview (20-30 min). The complete process takes 2-4 weeks from IRT to offer letter.

Infosys interview process overview

Round	Duration	Focus Areas	Success Rate
IRT	180 minutes	Aptitude, Reasoning, Coding	~20% clear
Technical Interview	30-45 minutes	Programming, Core Subjects, Projects	~70% of IRT qualifiers
HR Interview	20-30 minutes	Behavioral, Company Fit	~90% of technical qualifiers

Real interview experiences

Experience 1: systems engineer role (2024)

Candidate Profile:

• Education: B.Tech CSE, 2024 graduate
• College: Tier-2 Engineering College
• CGPA: 7.5/10
• Branch: Computer Science

IRT Performance:

• Scored 68% overall
• Cleared all sections with good performance in coding
• Solved 1 coding problem completely
• Received interview call within 1 week

Technical Interview (45 minutes):

Interviewer: Friendly, asked about my background first

Questions Asked:

1. “Tell me about yourself” - I talked about my academics, projects, and interests
2. C Programming:

• Explain pointers with example
• Difference between array and pointer
• Write code for reversing a linked list

3. Data Structures:

• Explain stack and queue
• When to use array vs linked list

4. DBMS:

• What is normalization? Explain 1NF, 2NF, 3NF
• Write SQL query for finding second highest salary
• Explain joins (inner, left, right)

5. OOPs Concepts:

• Explain inheritance with example
• Difference between method overloading and overriding

6. Projects:

• Detailed discussion on my final year project
• Technologies used, challenges faced

7. Coding:

• Write code for checking if string is palindrome
• I wrote it in C, explained the logic

Tips from Experience:

• Be confident and clear in communication
• Explain concepts with real-world examples
• Don’t panic if you don’t know something, be honest

Result: ✅ Selected for HR round

HR Interview (25 minutes):

Questions Asked:

1. “Why Infosys?” - I mentioned growth opportunities, learning culture
2. “Are you willing to relocate?” - Yes, I’m flexible
3. “What are your strengths?” - Problem-solving, teamwork, adaptability
4. “Where do you see yourself in 5 years?” - Technical lead role, continuous learning
5. “Do you have any questions?” - I asked about training programs

Final Result: ✅ Selected as Systems Engineer, ₹4.2 LPA

Experience 2: power programmer role (2024)

Candidate Profile:

• Education: B.Tech IT, 2024 graduate
• College: Tier-1 Engineering College
• CGPA: 8.2/10
• Achievement: HackWithInfy finalist

IRT Performance:

• Scored 72% overall
• Strong performance in aptitude and coding
• Solved both coding problems correctly
• Cleared all sections with good margins

Technical Interview (50 minutes):

Interviewer: Senior technical lead, asked deep technical questions

Questions Asked:

1. Java Deep Dive:

• Explain JVM architecture
• Difference between ArrayList and LinkedList
• Explain collections framework hierarchy
• Write code for implementing stack using arrays

2. Data Structures & Algorithms:

• Explain time complexity of different sorting algorithms
• Implement binary search
• Explain when to use hash table vs tree

3. Database Design:

• Design database schema for e-commerce system
• Explain indexing and its types
• Write complex SQL query with joins and subqueries

4. System Design Basics:

• How would you design a URL shortener?
• Explain load balancing

5. Projects:

• Detailed discussion on HackWithInfy project
• Architecture, scalability, challenges

6. Coding:

• Implement stack using arrays (with all operations)
• I wrote clean, well-commented code

Tips from Experience:

• For Power Programmer role, expect deeper technical questions
• Be prepared for system design basics
• Strong coding skills are essential

Result: ✅ Selected for Power Programmer role, ₹10 LPA

Experience 3: off-campus drive (2024)

Candidate Profile:

• Education: B.Tech ECE, 2023 graduate
• Experience: 1 year in small IT company
• CGPA: 7.8/10

IRT Performance:

• Scored 65% overall
• Cleared all sections
• Solved 1 coding problem

Technical Interview (40 minutes):

Questions Asked:

1. Programming:

• Explain OOPs concepts with examples
• Write code for finding factorial (recursive and iterative)

2. Core Subjects:

• OS: Explain process vs thread
• Networking: Explain TCP/IP model
• DBMS: Explain ACID properties

3. Experience Discussion:

• What did you work on in your previous company?
• Technologies used, projects handled

4. Coding:

• Write code for checking prime number
• Optimize the solution

Result: ✅ Selected for Senior Systems Engineer, ₹6 LPA

Common technical interview questions

Programming fundamentals

C Programming

Frequently Asked:

• Explain pointers with example
• Difference between array and pointer
• What is memory allocation? Explain malloc, calloc
• Explain function pointers
• Write code for reversing string/array
• Explain recursion with example

Java Programming

Frequently Asked:

• Explain OOPs concepts (inheritance, polymorphism, encapsulation)
• Difference between ArrayList and LinkedList
• Explain collections framework
• What is JVM? Explain its architecture
• Explain exception handling
• Difference between method overloading and overriding

Python Programming

Frequently Asked:

• Explain list vs tuple vs dictionary
• What are decorators?
• Explain generators
• Difference between == and is
• Explain lambda functions

Data structures & algorithms

Arrays & strings

• Reverse array/string
• Find second largest
• Remove duplicates
• Two sum problem
• Maximum subarray sum

Linked lists

• Reverse linked list
• Find middle element
• Detect cycle
• Merge two sorted lists

Stacks & queues

• Implement stack using array
• Implement queue
• Valid parentheses
• Stack using two queues

Trees

• Tree traversal (inorder, preorder, postorder)
• Find height of tree
• Binary search tree operations

Core computer science subjects

DBMS

• What is normalization? Explain 1NF, 2NF, 3NF
• Explain ACID properties
• Write SQL queries (joins, subqueries, aggregate functions)
• Explain indexing and its types
• Difference between primary key and foreign key
• Explain transactions

Operating Systems

• Explain process vs thread
• What is deadlock? How to prevent?
• Explain memory management
• Explain scheduling algorithms
• What is virtual memory?

Computer Networks

• Explain OSI model layers
• Explain TCP/IP model
• Difference between TCP and UDP
• Explain HTTP vs HTTPS
• What is DNS?

OOPs

• Explain inheritance, polymorphism, encapsulation, abstraction
• Difference between method overloading and overriding
• Explain interfaces vs abstract classes
• Explain access modifiers

HR interview questions & answers

Common HR questions

Tell Me About Yourself

Question: “Tell me about yourself”

Good Answer Structure:

1. Introduction: Name, education, branch
2. Academic Background: CGPA, achievements, relevant coursework
3. Projects: Key projects, technologies used
4. Skills: Technical skills, programming languages
5. Interests: Hobbies, extracurricular activities

Example: “I’m [Name], a B.Tech CSE graduate from [College] with 7.5 CGPA. I have strong programming skills in C, Java, and Python. I completed projects on [mention 1-2 key projects]. I’m passionate about problem-solving and enjoy coding challenges.”

Why Infosys?

Question: “Why do you want to join Infosys?”

Good Answer Points:

• Growth opportunities and learning culture

• Global exposure and diverse projects

• Company values and work culture

• Career development programs

• Innovation and technology focus

  Example: “I want to start my career at a company where I’ll actually get to work across different domains early on - Infosys’s rotation across service lines and its structured Mysore training program appeal to me for that reason. I’ve also looked at what alumni from my college who joined Infosys have worked on, and the mix of client-facing and platform work matches what I want out of my first few years.”

Relocation

Question: “Are you willing to relocate?”

Answer: “Yes, I’m flexible and willing to relocate anywhere in India or internationally as per company requirements. I see relocation as an opportunity for growth and exposure to different work environments.”

Strengths

Question: “What are your strengths?”

Good Answer Structure:

• Technical skills (programming, problem-solving)

• Soft skills (teamwork, communication, adaptability)

• Give examples

  Example: “My strengths include strong problem-solving skills, which I’ve demonstrated through coding competitions. I’m a good team player and have collaborated effectively on group projects. I’m also adaptable and quick to learn new technologies.”

5 Years Goal

Question: “Where do you see yourself in 5 years?”

Good Answer: “In 5 years, I see myself as a technical lead or senior developer, having gained expertise in emerging technologies. I want to contribute to innovative projects and mentor junior developers. I aim to continuously learn and grow with Infosys.”

Questions for Interviewer

Question: “Do you have any questions for us?”

Good Questions to Ask:

• What training programs does Infosys offer for freshers?
• What kind of projects will I work on initially?
• What are the growth opportunities in this role?
• How does Infosys support employee learning and development?
• What is the work culture like at Infosys?

Preparation tips from selected candidates

Technical interview preparation

Core subjects

• Revise DBMS, OS, OOPs, Networking thoroughly
• Practice SQL queries (joins, subqueries)
• Understand concepts with examples
• Prepare for “explain with example” questions

Programming

• Master at least one language (C/Java/Python)
• Practice coding on paper/whiteboard
• Be ready to write code during interview
• Practice explaining code logic clearly

Projects

• Be ready to explain all projects in detail
• Know technologies used, challenges faced
• Prepare for “how would you improve” questions
• Have project code ready for discussion

Problem solving

• Practice explaining approach to problems
• Think aloud while solving
• Ask clarifying questions if needed
• Discuss time/space complexity

HR interview preparation

1. Research Infosys: Company values, culture, recent news
2. Prepare Answers: Common HR questions (practice out loud)
3. Be Confident: Maintain eye contact, speak clearly
4. Show Enthusiasm: Demonstrate interest in the role
5. Ask Questions: Prepare intelligent questions to ask

Common mistakes to avoid

Technical interview

Mistakes:

• Not explaining code clearly

• Panicking if you don’t know answer

• Not asking clarifying questions

• Rushing through solutions

  Solutions:

• Think step-by-step, explain logic

• Be honest if you don’t know, show willingness to learn

• Ask for hints if stuck

• Take time to think before coding

HR interview

Mistakes:

• Giving generic answers

• Not showing enthusiasm

• Not asking questions

• Being overconfident or underconfident

  Solutions:

• Give specific examples

• Show genuine interest

• Ask about role, team, growth

• Be confident but humble

Success statistics

Based on recent Infosys interviews:

• Technical Interview Clear Rate: ~70% of IRT qualifiers
• HR Interview Clear Rate: ~90% of technical qualifiers
• Overall Selection Rate: ~12-15% of total applicants
• Average Time to Offer: 2-4 weeks from IRT

Timeline: from IRT to offer

1. IRT (Day 1)

• Online test (180 minutes)
• Results declared within 1 week

2. Technical Interview (Week 2)

• Interview call within 1-2 weeks of IRT
• Technical round (30-45 minutes)
• Results within 2-3 days

3. HR Interview (Week 3)

• HR round (20-30 minutes)
• Results within 2-3 days

4. Offer Letter (Week 4)

• Offer letter via email
• Background verification
• Joining date confirmation

HR interview

After technical rounds, Infosys usually closes with a short HR / hiring-manager conversation: motivation, location, notice period, and a couple of behavioural stories. Prepare those answers on the dedicated page rather than cramming them into this hub.

HR interview questions→

Common Infosys HR questions, sample answer frames, and STAR tips.

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Ready for your Infosys interview? Prepare thoroughly for both technical and HR rounds. Practice coding, revise core subjects, and prepare answers for common HR questions. Good luck!

Pro Tip: Practice explaining your projects and code clearly. Communication skills are as important as technical knowledge in interviews.