L&T Finance Senior Software Engineer Interview Questions and Answers

Q1. Tell me about yourself
Ans. 
I am a passionate software developer with experience in building web applications using various technologies.
• Experienced in developing web applications using HTML, CSS, JavaScript, and frameworks like React and Angular

• Proficient in backend development with Node.js and databases like MongoDB and MySQL

• Familiar with version control systems like Git and deployment tools like Heroku

• Strong problem-solving skills and ability
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Coding test with questions on aptitude and coding problem solving with 15 test cases

Q1. Rotation of array
Ans. 
Rotate an array of strings by a specified number of positions.
• Create a new array and copy elements from original array based on rotation index.

• Use modulo operator to handle cases where rotation index exceeds array length.

• Handle edge cases like empty array or negative rotation index.

• Example: Original array ['a', 'b', 'c', 'd', 'e'] rotated by 2 positions becomes ['c', 'd', 'e', 'a', 'b'].
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Q2. Sql query for 2
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SQL query to retrieve data from 2 tables using a join condition.
• Use JOIN keyword to combine data from 2 tables based on a related column

• Specify the columns you want to retrieve using SELECT statement

• Add the table names and join condition in the FROM clause
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Give all the lists of numbers by adding which we can achieve the target

Q1. Basic questions on resume and Behavioural questions
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Q1. Salary discussion and background check
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Q1. What is Defect life cycle?
Ans. 
Defect life cycle is the process of identifying, reporting, fixing, retesting, and closing defects in software development.
• Defect identification: Defects are identified through testing or user feedback.

• Defect reporting: Defects are reported in a defect tracking system with details like severity and priority.

• Defect fixing: Developers fix the reported defects.

• Defect retesting: Testers verify that the defects are fixed.

• De...read more
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Q2. What is Digital verification?
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Digital verification is the process of confirming the accuracy and authenticity of digital information or data.
• Digital verification involves verifying the integrity of digital files or documents to ensure they have not been tampered with.

• It can include methods such as checksums, digital signatures, and encryption to verify the authenticity of data.

• Digital verification is commonly used in software development, cybersecu...read more
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Q3. What is mandate and type of mandate?
Ans. 
A mandate is a command or authorization to act in a particular way. Types of mandates include legal, financial, and political mandates.
• Mandate is a formal order or commission to do something.

• Types of mandates include legal mandates (e.g. court orders), financial mandates (e.g. direct debit authorization), and political mandates (e.g. election results).

• Mandates can also refer to the authority given to a person to act on
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Q4. What is API testing how will you perform API Test?
Ans. 
API testing is testing the APIs directly to ensure they meet functionality, reliability, performance, and security requirements.
• Understand the API documentation to identify endpoints, parameters, and expected responses

• Create test cases to validate input/output data, error handling, and authentication

• Use tools like Postman or SoapUI to send requests and verify responses

• Perform functional, performance, security, and inte...read more
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Q1. Jdbc , Spring , Collection in java
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Q2. Final vs finally . Explain
Ans. 
Final and finally are two different words with different meanings.
• Final is an adjective that means last or ultimate, as in final exam or final decision.

• Finally is an adverb that means at last or in the end, as in finally, we reached our destination.

• Final is used to describe something that is definitive or conclusive, while finally is used to describe the end of a process or event.

• Examples: The final score of the game w...read more
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Q3. Abstraction and encapsulation
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Maths
Logical
English
C

Basic question of easy-medium difficulty

Q1. Simple problems on Data structure and algorithm.
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Discussion on Oops and asked to implement linked list and then asked to modify it to fit for a binary tree.

One qsts related to algos was asked too which I don't remember

Q1. Formal introduction of ourselves . Followed by few qsts on family and why IIFL
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