Nendrasys Technologies Software Trainee Interview Questions and Answers

2 DSA questions with in one hour.

Q1. Merge two binary trees
Ans. 
Merge two binary trees by summing up the values of corresponding nodes
• Traverse both trees simultaneously and sum up the values of corresponding nodes

• If a node exists in only one tree, add it to the merged tree as is

• Recursively merge the left and right subtrees
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Q2. Explain project
Ans. 
Developed a web application for tracking personal fitness goals and progress
• Used HTML, CSS, and JavaScript for front-end development

• Implemented a RESTful API using Node.js and Express for back-end functionality

• Utilized MongoDB for database storage and retrieval

• Incorporated user authentication and authorization using JWT tokens
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Q1. Tell me about yourself.
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Q2. Why should we hire you.
Ans. 
I am a dedicated and quick learner with strong problem-solving skills and a passion for software development.
• Strong problem-solving skills demonstrated through previous projects and coding challenges.

• Quick learner who can adapt to new technologies and tools efficiently.

• Passionate about software development and constantly seeking to improve my skills.

• Dedicated to delivering high-quality code and meeting project deadline...read more
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Coding Test was on Coderbyte. Consisted 4 questions. 1 coding and 3 of web developement.

Q1. General HR questions.
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Q1. General Techinal questions
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Q1. Spark architecture.
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Q2. Narrow and wide transformations
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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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Q1. What programming language are you most proficient?
Ans. 
I am most proficient in Java.
• Extensive experience in developing applications using Java

• Strong understanding of object-oriented programming principles

• Familiarity with popular Java frameworks like Spring and Hibernate
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Q2. .NET, Angular and Sql Server
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Q1. How would you design a system that needs to handle million of records
Ans. 
I would design a system using scalable architecture, efficient data storage, and optimized query processing.
• Utilize a distributed database system like Cassandra or Hadoop for storing large volumes of data

• Implement data partitioning and sharding to distribute the data across multiple servers

• Use indexing and caching mechanisms to optimize query performance

• Employ load balancing techniques to evenly distribute incoming req...read more
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Q1. Questions was based on SQL
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Q2. SQL queries and joins and
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There were 3 coding questions in the first round

30 MCQ questions based on Math, reasoning and English and also email writing

Q1. I'm on it my interview scheduled on 14 oct
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Coding test based on Binary trees, String Manipulation