Lexicon Infotech Senior Software Engineer Interview Questions and Answers

Reasoning , maths , coding, english

Java python css c programming sql, html.

Water scarcity, 3 mins , name-area-parents-topic

Q1. Tell me about yourself
Ans. 
I am a passionate software engineer with experience in developing 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 MySQL and MongoDB

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

• Strong problem-solving skills and ability
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Q2. What is your background
Ans. 
I have a Bachelor's degree in Computer Science and 5 years of experience in software development.
• Bachelor's degree in Computer Science

• 5 years of experience in software development
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MCQ - 20 (aptitude), 20(c+ and sql)

Pattern, array and sql questions

Usual Leet code problems

System Design Questions

System Design Questions

Logical reasoning , verbal ability

2 coding question, verbal interview

Q1. Spark architecture.
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Q2. Narrow and wide transformations
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Giva a Full stack project. based on MERN AND MEAN stack

Q1. Dsa , were easy to medium
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Q2. Some backend and azure related questions
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Q1. Strecture of sql statement
Ans. 
SQL statements are used to interact with databases by performing operations like querying, updating, and deleting data.
• SQL statements are made up of keywords like SELECT, INSERT, UPDATE, DELETE, etc.

• They are structured in a specific order, with clauses like WHERE, ORDER BY, GROUP BY, etc.

• Tables are referenced using their names, and conditions are specified to filter data.

• Joins can be used to combine data from multiple
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