Helloverify Software Developer Interview Questions and Answers

A test comprising of aptitude and coding question

We had to code for some basic problems

A group discussion was based on electric vehicles

Round duration - 30 minutes
Round difficulty - Easy

this round happened in the morning 9.00. They sent us the google form to answer the questions. In this there was no coding only aptitude. 30 questions were asked and the time given was 30min. In this round basics of aptitude was asked. they asked on probability, time ,speed and distance etc. there was logical reasoning also. It was easy to solve. Only Basics questions were asked.

Round duration - 60 minutes
Round difficulty - Medium

In this round took place in afternoon 12.00. The interviewer asked me first which language questions should he ask. First he asked me about python its data types, classes etc. Later he said he will ask on java and asked about java srings, collection interfaces. He told me to write a program in online editor to check string is palindrome or not in java. Later he asked me questions about my front-end internship. He asked about tags (p,pre,forms) in html and asked me to write code which accepts name and password and told us use css to make it look beautiful. Then he asked me about javascript (basics of JS). and told me to validate the form which was created using JS. Then he looked at my resume and Asked about the ML project and asked me to explain the project. I did explain the project thoroughly. He was impressed and asked me about Software development and how product is deployed in environment. after that time was still there and he asked me EC question that explain how radar gun works? without shivering i answered him corerctly. then he was impressed and told me he would promote mw to next round.

Q1. What is your approach to testing in software development?
Ans. 
I believe in a comprehensive approach to testing, including unit testing, integration testing, and end-to-end testing.
• I prioritize writing unit tests for individual components to ensure they function correctly in isolation.

• I conduct integration testing to verify that different components work together seamlessly.

• I perform end-to-end testing to simulate real user scenarios and ensure the software meets requirements.

• I al...read more
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Q2. 
Binary Palindrome Check
Given an integer N, determine whether its binary representation is a palindrome.
Input:
The first line contains an integer 'T' representing the number of test cases. 
The next 'T'...read more
Ans. 
Check if the binary representation of a given integer is a palindrome.
• Convert the integer to binary representation.

• Check if the binary representation is a palindrome by comparing it with its reverse.

• Return true if it is a palindrome, false otherwise.
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Round duration - 15 minutes
Round difficulty - Easy

This round was mangerial round. It took place around 4 in the evening. In this round they asked me about my project on java and asked many questions on java applets and java swings. and also asked about DBMS queries

Q1. How do all the joins in SQL work?
Ans. 
Joins in SQL are used to combine rows from two or more tables based on a related column between them.
• Joins are used to retrieve data from multiple tables based on a related column.

• Common types of joins include INNER JOIN, LEFT JOIN, RIGHT JOIN, and FULL JOIN.

• INNER JOIN returns rows when there is at least one match in both tables.

• LEFT JOIN returns all rows from the left table and the matched rows from the right table.

• RI...read more
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Round duration - 15 minutes
Round difficulty - Medium

I did not attend this round as i was rejected. But i will write what my friends has experienced. At first they asked about the extracurricular activities and certification. Later they asked about strength weakness and why our company. They also discussed about bond and our goal if we got selected in that company.

Q1. Join, groupby questions in pyspark
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Q1. Basic Java questions
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Q2. Spring, Spring boot basics
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Q1. Microservices Communications
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Q2. Project level experiences
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Questions related to DSA

Q1. Questions related to oops, trees
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Q1. Why should we hire you
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