Puratech Solutions Senior Software Engineer Interview Questions and Answers

60 mins test with 60 questions. All the questions are fill in the blanks type.

Q1. Work and time based questions in multiple choice type
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Q2. Percentage question in multiple choice
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Q3. Distance and time based questions
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Q1. Tell me about on technogy
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Q2. Tell me about yourself
Ans. 
I am a dedicated Software Test Engineer with 5 years of experience in manual and automated testing.
• 5 years of experience in software testing

• Proficient in manual and automated testing

• Strong attention to detail

• Experience with testing tools such as Selenium and Jira

• Excellent problem-solving skills
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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. Life cycle of thread
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Thread life cycle includes new, runnable, running, blocked, and terminated states.
• Thread is created in 'new' state

• It becomes 'runnable' when start() method is called

• Thread enters 'running' state when CPU starts executing its run() method

• It can go to 'blocked' state if it's waiting for a resource

• Finally, thread reaches 'terminated' state when run() method completes or stop() method is called
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Q2. İnternal working of hash map
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Hash map is a data structure that stores key-value pairs and uses a hash function to map keys to their corresponding values.
• Hash map consists of an array of buckets, each containing a linked list of key-value pairs.

• When inserting a key-value pair, the hash function is used to determine the index of the bucket where the pair should be stored.

• To retrieve a value, the hash function is used to find the corresponding bucket...read more
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Q1. Salary expectations
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Q2. Why I want to change the job
Ans. 
Seeking new challenges, growth opportunities, and a better work-life balance.
• Looking for new challenges and opportunities to learn and grow

• Seeking a better work-life balance

• Interested in working with new technologies or in a different industry

• Wanting to advance career progression
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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
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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. Suggest how to prepare for lektik
Ans. 
Prepare for lektik by studying algorithms, data structures, and practicing coding challenges.
• Study algorithms and data structures thoroughly

• Practice coding challenges on platforms like LeetCode or HackerRank

• Review common interview questions and practice explaining your thought process

• Mock interviews with peers or mentors to simulate the interview experience
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