bluCursor Technologies Software Engineer Trainee Interview Questions and Answers

Q1. Can you provide details about the projects listed on your resume?
Ans. 
I have worked on various projects including a social media platform, an e-commerce website, and a task management application.
• Developed a social media platform using React for frontend and Node.js for backend

• Designed and implemented an e-commerce website with payment gateway integration

• Created a task management application using Angular and MongoDB for database
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Q2. What are the main concepts of Object-Oriented Programming (OOP)?
Ans. 
Main concepts of OOP include encapsulation, inheritance, polymorphism, and abstraction.
• Encapsulation: Bundling data and methods that operate on the data into a single unit (object).

• Inheritance: Creating new classes based on existing classes, allowing for code reuse.

• Polymorphism: Objects of different classes can be treated as objects of a common superclass.

• Abstraction: Hiding complex implementation details and showing o
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Q1. Asked about my experience as an integration developer
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The apptitude test is an online assessment and you will have questions from Quantitative Aptitude and Logical Reasoning.
You will have 60 questions in each section which needs to be solved in 60 minutes.
The questions are subjective and they were not MCQ based on questions

For the technical role, round two is problem-solving.
Three questions need to be solved in 60 minutes.
The difficulty level is from medium to advanced.

Q1. Core JavaScript related questions like closure, IIFE, functional scope, DSA, and low level system design
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Q1. Architecture level question, more about project, message queue broker, API security
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Q1. Work location and offer discussion
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Q1. What are joins in sql
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

• Example: SELECT * FROM table1 INNER JOIN table2 ON table1.column = table2.column
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Q2. Types of arrays in PHP
Ans. 
Types of arrays in PHP include indexed arrays, associative arrays, and multidimensional arrays.
• Indexed arrays: default type where each element is assigned a numeric index starting from 0.

• Associative arrays: elements are assigned a specific key instead of numeric index.

• Multidimensional arrays: arrays within arrays, creating a matrix-like structure.

• Example: $indexedArray = [1, 2, 3]; $associativeArray = ['key1' => 'value...read more
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Q1. Polymorphism, instance variables
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Q2. Inheritance, array programs
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Q1. What are your salary expectations?
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Q2. Why should we hire you?
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Q3. Tell me about yourself.
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Covers basics aps around 15 question

DSA based questions from leetcode easy and medium