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Infosys Senior .NET Developer Interview Questions, Process, and Tips

Updated 9 Dec 2024

Top Infosys Senior .NET Developer Interview Questions and Answers

  • Q1. what is extension method ,value type and reference type ,migration in codefirst approach,Configure menthod in dotnet core ,
  • Q2. what are difference between put , patch and post
  • Q3. drop ,delete and truncate difference

Infosys Senior .NET Developer Interview Experiences

4 interviews found

Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(5 Questions)

  • Q1. What are difference between put , patch and post
  • Ans. 

    PUT is used to update or replace an existing resource, PATCH is used to partially update a resource, and POST is used to create a new resource.

    • PUT is idempotent, meaning multiple identical requests will have the same effect as a single request.

    • PATCH is not necessarily idempotent and is used to make partial updates to a resource.

    • POST is used to create a new resource on the server.

  • Answered by AI
  • Q2. What is extension method ,value type and reference type ,migration in codefirst approach,Configure menthod in dotnet core ,
  • Ans. 

    Extension methods allow adding new methods to existing types, value types store data directly, reference types store references to data, migration in code-first approach involves updating database schema, Configure method in .NET Core configures services and middleware.

    • Extension methods are static methods that can be called as if they were instance methods on an existing type.

    • Value types store data directly on the stac...

  • Answered by AI
  • Q3. Drop ,delete and truncate difference
  • Ans. 

    Drop, delete, and truncate are SQL commands used to remove data from a table, but they have different functionalities.

    • DROP: Used to remove an entire table or database

    • DELETE: Used to remove specific rows from a table

    • TRUNCATE: Used to remove all rows from a table, but keeps the table structure

  • Answered by AI
  • Q4. Design patterns ,Solid priniciple ,Garbage Collector working process ,using statement
  • Q5. Routing concept in MVC,
  • Ans. 

    Routing in MVC is the process of mapping URLs to controller actions.

    • Routing determines which controller and action to execute based on the URL requested

    • Routes are defined in the RouteConfig.cs file in MVC applications

    • Routes can include parameters that are passed to the controller action

    • Routes can be customized using route constraints and route attributes

  • Answered by AI

Skills evaluated in this interview

Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(2 Questions)

  • Q1. .NET fundamental
  • Q2. .Net Advance and sceanrio based quetion
Round 2 - One-on-one 

(2 Questions)

  • Q1. Scenario based quetions
  • Q2. Overall performamce
Round 3 - HR 

(2 Questions)

  • Q1. Salary discussion
  • Q2. Why you leaving the comapny
  • Ans. 

    Seeking new challenges and growth opportunities.

    • Looking for a new challenge to further develop my skills

    • Interested in exploring new technologies and projects

    • Seeking opportunities for career advancement

  • Answered by AI

Senior .NET Developer Interview Questions Asked at Other Companies

Q1. Find indexes of two values in an array who's Sum is 8 or a dynami ... read more
Q2. what are Microservices? How to manage load balancing in Microserv ... read more
asked in Infosys
Q3. what is extension method ,value type and reference type ,migratio ... read more
asked in 3i Infotech
Q4. What are the differences between .Net and .Net Core?
Q5. What is depandancy injection in. Net core and what toes of depand ... read more
Interview experience
4
Good
Difficulty level
Moderate
Process Duration
2-4 weeks
Result
-

I applied via Company Website and was interviewed in Jan 2024. There were 2 interview rounds.

Round 1 - Technical 

(1 Question)

  • Q1. Interview went pretty good. started with the common question tell me about yourself and then into technical questions as follows. 1. What is ViewState in ASP.NET. 2. Connection pooling. 3. How do ...
Round 2 - Behavioral 

(1 Question)

  • Q1. Started with the Question 1 .explain about yourself and then 2. What domain are you working currently? 3. Why do you want to leave the current job? 4. How much you can rate yourself in the technolog...

Interview Preparation Tips

Interview preparation tips for other job seekers - Interview will be good if you prepare a bit before attending.
Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(1 Question)

  • Q1. 80 MCQ questions

Infosys interview questions for designations

 DOT NET Developer

 (33)

 .NET Software Developer

 (1)

 DOT NET Programmer

 (1)

 Dot Net Core Developer

 (3)

 Senior Developer

 (8)

 .NET Consultant

 (1)

 Senior Software Developer

 (19)

 Senior Java Developer

 (19)

Interview questions from similar companies

I appeared for an interview in Apr 2017.

Interview Questionnaire 

2 Questions

  • Q1. Java questions...
  • Q2. Tell me about urself and about us family and all
  • Ans. 

    I am a software developer with a passion for coding and problem-solving. My family is supportive and has always encouraged my career in tech.

    • Experienced software developer

    • Passionate about coding and problem-solving

    • Supportive family that encourages my career in tech

  • Answered by AI

Interview Preparation Tips

Round: Test
Experience: Easy questions are there
Duration: 1 hour
Total Questions: 90

Round: Group Discussion
Experience: 12 members are there only 9 got selected
Tips: Be confident in urself and specially work in Communication skills
Duration: 15 minutes

Round: Technical Interview
Experience: Asking all the concepts of Java like oops collections threads
Tips: Prepare well on Java

Round: HR Interview
Experience: Everything was Gud but due to my certificate problem I got rejected.. Otherwise everything is good.
Tips: Be confident

College Name: C. V. Raman College of Engineering

I appeared for an interview before Mar 2021.

Round 1 - Face to Face 

(3 Questions)

Round duration - 60 minutes
Round difficulty - Easy

This was an easy round which went really smooth.

  • Q1. 

    Nth Fibonacci Number Problem Statement

    Calculate the Nth term in the Fibonacci sequence, where the sequence is defined as follows: F(n) = F(n-1) + F(n-2), with initial conditions F(1) = F(2) = 1.

    Input:

    ...
  • Ans. 

    Calculate the Nth Fibonacci number efficiently using dynamic programming.

    • Use dynamic programming to store previously calculated Fibonacci numbers to avoid redundant calculations.

    • Start with base cases F(1) and F(2) as 1, then iteratively calculate F(n) using F(n-1) and F(n-2).

    • Ensure the input N is within the constraints 1 <= N <= 10000.

    • Example: For N = 5, the 5th Fibonacci number is 5 (1, 1, 2, 3, 5).

  • Answered by AI
  • Q2. 

    Prime Numbers Problem Statement

    Given a positive integer N, your task is to determine and return all prime numbers less than or equal to N.

    Input:

    N = 10

    Output:

    2 3 5 7

    Example:

    Input:
    N = 20
    Out...
  • Ans. 

    Implement a function to return all prime numbers less than or equal to a given positive integer N.

    • Create a function that takes a positive integer N as input

    • Iterate from 2 to N and check if each number is prime

    • Use a helper function to determine if a number is prime

    • Return an array of all prime numbers less than or equal to N

  • Answered by AI
  • Q3. What is a merge join in SQL?
  • Ans. 

    A merge join in SQL is a method of combining two sorted datasets by matching corresponding rows based on a specified condition.

    • Merge join is used when joining two large datasets that are already sorted.

    • It is more efficient than other join methods like nested loop join or hash join for sorted datasets.

    • The join condition must be an equality condition.

    • Example: SELECT * FROM table1 INNER JOIN table2 ON table1.id = table2.i

  • Answered by AI
Round 2 - HR 

Round duration - 30 minutes
Round difficulty - Easy

The round went excellent. I really enjoyed it. Just be confident about whatever you answer

Interview Preparation Tips

Eligibility criteriaAbove 7 CGPALarsen & Toubro Infotech (LTI) interview preparation:Topics to prepare for the interview - Database, Basic C/C++, Data Structures, Algorithms, System Design, Aptitude, OOPSTime required to prepare for the interview - 3 monthsInterview preparation tips for other job seekers

Tip 1 : Must do Previously asked Interview as well as Online Test Questions.
Tip 2 : Go through all the previous interview experiences from Codestudio and Leetcode.
Tip 3 : Do at-least 2 good projects and you must know every bit of them.

Application resume tips for other job seekers

Tip 1 : Have at-least 2 good projects explained in short with all important points covered.
Tip 2 : Every skill must be mentioned.
Tip 3 : Focus on skills, projects and experiences more.

Final outcome of the interviewSelected

Skills evaluated in this interview

I appeared for an interview before Mar 2021.

Round 1 - Face to Face 

(2 Questions)

Round duration - 60 minutes
Round difficulty - Easy

This round went well. Interview depends on your basic knowledge of C/C++.

  • Q1. 

    Matrix Multiplication Task

    Given two sparse matrices MAT1 and MAT2 of integers with dimensions 'N' x 'M' and 'M' x 'P' respectively, the goal is to determine the resulting matrix produced by their multipl...

  • Ans. 

    Implement a function to multiply two sparse matrices and return the resulting matrix.

    • Create a function that takes two sparse matrices as input and returns the resulting matrix after multiplication

    • Iterate through the non-zero elements of the matrices to perform the multiplication efficiently

    • Handle the edge cases such as empty matrices or matrices with all zero elements

    • Ensure the dimensions of the matrices are compatible

  • Answered by AI
  • Q2. 

    Problem: Count Even or Odd in Array

    Tanmay and Rohit are best buddies. Tanmay gives Rohit a challenge involving an array of N natural numbers. The task is to perform and answer a series of queries on the ...

  • Ans. 

    Count the number of even or odd numbers in a range of an array based on given queries.

    • Create an array to store the input numbers.

    • Iterate through the queries and update or count even/odd numbers based on the query type.

    • Output the count of even or odd numbers for each query of type 1 or 2.

  • Answered by AI
Round 2 - HR 

Round duration - 30 minutes
Round difficulty - Easy

Typical HR round with behavioral problems.

Interview Preparation Tips

Eligibility criteriaAbove 7 CGPALarsen & Toubro Infotech (LTI) interview preparation:Topics to prepare for the interview - Data Structures, Algorithms, System Design, Aptitude, OOPSTime required to prepare for the interview - 3 monthsInterview preparation tips for other job seekers

Tip 1 : Must do Previously asked Interview as well as Online Test Questions.
Tip 2 : Go through all the previous interview experiences from Codestudio and Leetcode.
Tip 3 : Do at-least 2 good projects and you must know every bit of them.

Application resume tips for other job seekers

Tip 1 : Have at-least 2 good projects explained in short with all important points covered.
Tip 2 : Every skill must be mentioned.
Tip 3 : Focus on skills, projects and experiences more.

Final outcome of the interviewSelected

Skills evaluated in this interview

I appeared for an interview before Sep 2016.

Interview Preparation Tips

Round: Group Discussion
Experience: Interview was scheduled in Grab Job consultancy. In that, a class room, where we all asked to sit and interviewer was sitting in front and asked to speak one by one on the topic traffic situation in Hyderabad.
Tips: Just speak once two to three lines. Don't rush to speak. Take ur time and don't try speak repeatedly.
Duration: 35 minutes

Round: Technical Interview
Experience: System based test. Easy question from java , c, data structure.

Round: HR Interview
Experience: Not held because already we got too late.

Skills: Proficiency In English, Basic Coding
College Name: Medak College of engineering

I appeared for an interview in Mar 2017.

Interview Questionnaire 

5 Questions

  • Q1. Oops concepts in Java?
  • Ans. 

    Oops concepts in Java

    • Encapsulation - hiding implementation details

    • Inheritance - reusing code and creating parent-child relationships

    • Polymorphism - multiple forms of a method or object

    • Abstraction - creating abstract classes and interfaces

    • Example: Encapsulation - using private variables and public methods

    • Example: Inheritance - creating a subclass that inherits from a superclass

    • Example: Polymorphism - using method overloa...

  • Answered by AI
  • Q2. Altering columns in Databases?
  • Ans. 

    Altering columns in databases involves modifying the structure of a table by adding, deleting or modifying columns.

    • Use ALTER TABLE statement to modify columns

    • Add new columns using ADD COLUMN

    • Delete columns using DROP COLUMN

    • Modify columns using MODIFY COLUMN

    • Changing column data type may result in data loss

  • Answered by AI
  • Q3. Asked some queries in SQL
  • Q4. Reversing a number in java?
  • Ans. 

    Reversing a number in Java

    • Convert the number to a string

    • Use StringBuilder to reverse the string

    • Convert the reversed string back to a number

  • Answered by AI
  • Q5. Extracting words from a line in java?
  • Ans. 

    To extract words from a line in Java, split the line using whitespace as delimiter.

    • Use the split() method of String class

    • Pass the whitespace regex as argument to split() method

    • Iterate over the resulting array to get individual words

  • Answered by AI

Interview Preparation Tips

Round: Technical Interview
Experience: Started with the question "Tell me about yourself". Asked me about Core Java. Asked to solve some questions related to Java and SQL.
Tips: Be prepared with high knowledge in Java, Data Structures and SQL.

Skills: Java Programming, Data Strrutures, SQL
College Name: IIITDM Jabalpur

Skills evaluated in this interview

Software Developer Interview Questions & Answers

Capgemini user image Dwarkesh Maheshwari

posted on 23 Sep 2017

I appeared for an interview in Sep 2017.

Interview Questionnaire 

1 Question

  • Q1. Basic c questions and sorting Then about projects

Interview Preparation Tips

Round: Test
Experience: Basic apti questions
But reasoning was tricky
Tips: Don't waste time
Duration: 1 hour
Total Questions: 32

Round: Technical test
Experience: Basic c question
SQL questions
Tips: Must have deep knowledge in c

Round: Technical Interview
Experience: Briefly explain my project and then successfully answerd questions asked
Tips: Complete knowledge of your project

College Name: KIET
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Infosys Interview FAQs

How many rounds are there in Infosys Senior .NET Developer interview?
Infosys interview process usually has 1-2 rounds. The most common rounds in the Infosys interview process are Technical, Behavioral and One-on-one Round.
How to prepare for Infosys Senior .NET Developer interview?
Go through your CV in detail and study all the technologies mentioned in your CV. Prepare at least two technologies or languages in depth if you are appearing for a technical interview at Infosys. The most common topics and skills that interviewers at Infosys expect are .Net Core, ASP.Net, ASP.Net MVC and Web Api.
What are the top questions asked in Infosys Senior .NET Developer interview?

Some of the top questions asked at the Infosys Senior .NET Developer interview -

  1. what is extension method ,value type and reference type ,migration in codefirst...read more
  2. what are difference between put , patch and p...read more
  3. drop ,delete and truncate differe...read more

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Infosys Senior .NET Developer Interview Process

based on 4 interviews

1 Interview rounds

  • Technical Round
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Infosys Senior .NET Developer Salary
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₹4 L/yr - ₹11.8 L/yr
23% less than the average Senior .NET Developer Salary in India
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Infosys Senior .NET Developer Reviews and Ratings

based on 4 reviews

4.7/5

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4.3

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4.4

Work-life balance

4.1

Salary

3.5

Job security

4.5

Company culture

3.0

Promotions

3.9

Work satisfaction

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