Shop101 Software Development Engineer Interview Questions and Answers

Q1. Python Theory questions, Memory management
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Q2. Basic Data Structures and Algorithms
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Q1. Basic data structure and algorithms
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Q2. Development and deployment of python django projects
Ans. 
Python Django is a popular web framework for developing and deploying web applications.
• Use virtual environments to manage dependencies

• Utilize Django's built-in admin interface for managing data

• Deploy Django projects using platforms like Heroku or AWS

• Consider using Docker for containerization

• Implement continuous integration and deployment pipelines
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Q1. High Level Design Components
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1 hour duration. Sliding window problem. On hacker rank platform. Expected to write a working code and solve it optimally/scalable solution.

Q1. Again a coding test. LLD + hash map. 1 hour on hacker rank.
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Computer Fundamentals

Q1. Flatten a binary tree
Ans. 
Flatten a binary tree by converting it into a linked list in-place.
• Use a recursive approach to flatten the binary tree.

• Traverse the tree in a pre-order manner and keep track of the previous node.

• Set the left child of each node to null and the right child to the next node in the linked list.

• Example: Input: 1 -> 2 -> 5 -> 3 -> 4 -> null, Output: 1 -> null -> 2 -> null -> 3 -> null -> 4 -> null -> 5 -> null
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Q1. Techical questions and coding questions related profile.
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Q2. Basic concepts about your programming skills.
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Q1. Delete nth node from end in linked list
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To delete the nth node from the end in a linked list, we can use a two-pointer approach.
• Use two pointers, one to traverse the list and another to keep track of the nth node from the end.

• Move the second pointer n steps ahead of the first pointer.

• When the second pointer reaches the end of the list, the first pointer will be at the nth node from the end.

• Adjust the pointers to delete the nth node.
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Q2. Project discussion
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Easy level Basics were asked

Stacks queue leetcode easy level

Q1. Basic project discussion
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Q2. Skills used in project
Ans. 
Used skills include Java, SQL, Spring Boot, RESTful APIs, and Git.
• Java programming for backend development

• SQL for database management

• Spring Boot for creating web applications

• RESTful APIs for communication between systems

• Git for version control
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Leecode medium level question

Leetcode Hard level Question

Q1. This is cto round asked some interview questions
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Q1. 2 question on Data structure and algorithms (easy-medium and medium level questions)
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Q2. Related to array and matrix
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Q1. This also contained discussion on last company project and some basic question regarding different tech stack used. Then asked 2 questions on Data structure and algorithms (both medium level questions)
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Q2. Related to stack and linked list
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Q1. This was the Hiring Manager round. He asked different questions related to general programming like - Rest, Http, Websockets, TCP. Asked some questions from past company projects. Then asked one easy-mediu...read more
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Q2. Programming and Math related topics
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