Infosys Technical Lead Interview Questions and Answers

Q1. Introduce your self
Ans. 
Experienced Technical Lead with a strong background in software development and team management, passionate about delivering innovative solutions.
• Over 10 years of experience in software development, specializing in Java and Python.

• Led a team of 8 developers in a successful project that improved system performance by 30%.

• Implemented Agile methodologies, resulting in a 25% increase in team productivity.

• Strong communicati...read more
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Q2. Basic iOS Swift concepts
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Q3. From resume what ever you worked on
Ans. 
I have extensive experience in software development, team leadership, and project management across various technologies.
• Led a team of 5 developers in creating a web application using React and Node.js, improving user engagement by 30%.

• Implemented Agile methodologies, resulting in a 25% increase in project delivery speed.

• Designed and optimized RESTful APIs, enhancing system performance and reducing response time by 40%...read more
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Q1. Tell me about yourself and your project
Ans. 
I am a seasoned Technical Lead with experience in leading projects from conception to completion.
• Led a team of developers in the development of a new e-commerce platform

• Implemented agile methodologies to improve project efficiency

• Collaborated with stakeholders to gather requirements and ensure project alignment
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Q2. Some Logics , Java and microservices scenario based questions
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Q1. Managerial Round - Roles and Responsibility questions
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Q2. Scenario based question on our skills
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Coding test is a programming challenge that assesses a developer's coding skills and problem-solving abilities. Coding tests can be used in a variety of situations, such as during the hiring process, as part of a professional certification program, or to assess a developer's current skill level.
Here are some details about coding tests:
Types of coding tests
Coding tests can range from simple challenges that can be completed in minutes to more complex projects that can take hours or days.
What to expect
During a coding test, you may be given a problem to solve and asked to write code to solve it. You may also be asked questions about your thought process while you're coding.
How to prepare
To prepare for a coding test, you can practice coding on a whiteboard or blank sheet of paper. You can also get used to writing code without an integrated development environment (IDE) or compiler.
How to take the test
You may be given a link to a code editor and be able to choose your programming language. You should make sure to take the test in a quiet environment where you won't be distracted.
How recruiters use coding tests
Coding tests can help recruiters assess a large number of candidates effectively because they can use an auto-grading system.

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Q1. How can you pass value to a program
Ans. 
Values can be passed to a program through command line arguments, environment variables, configuration files, and user input.
• Command line arguments: Values can be passed to a program when it is executed from the command line.

• Environment variables: Values can be passed to a program through environment variables set in the operating system.

• Configuration files: Programs can read values from configuration files to customiz...read more
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Q2. How to find the 5th highest value of salary of the employee table
Ans. 
To find the 5th highest value of salary in the employee table, you can use SQL query with the ORDER BY and LIMIT clauses.
• Use SQL query with ORDER BY clause to sort the salaries in descending order

• Use LIMIT 4,1 to skip the first 4 highest salaries and get the 5th highest salary
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Q3. Substring in sort
Ans. 
Sort an array of strings based on a substring
• Use a custom comparator function to sort the array based on a specific substring

• Implement the comparator function to compare substrings of each string in the array

• Example: Sort array ['apple', 'banana', 'cherry'] based on substring 'an' -> ['banana', 'cherry', 'apple']
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Q4. How to accept parm parameter in cobol . Tell the structure of declaration in cobol
Ans. 
In COBOL, parm parameters can be accepted using the ACCEPT statement. The declaration structure includes the PICTURE clause.
• Use ACCEPT statement to accept parm parameter in COBOL

• Declare parm parameter using PICTURE clause in COBOL

• Example: ACCEPT parm-parameter

• Example: 01 parm-parameter PIC X(10)
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Q5. What is global and local variable
Ans. 
Global variables are accessible throughout the entire program, while local variables are only accessible within a specific function or block of code.
• Global variables are declared outside of any function or block.

• Local variables are declared within a function or block and are only accessible within that function or block.

• Global variables can be accessed and modified by any part of the program.

• Local variables have limite...read more
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