Unicommerce Esolutions Interview Questions, Process, and Tips

3 tough coding questions but 1 day to complete them

Q1. No of islands (graph) CS Core Recursively reverse a linked list Projects Internship exp
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Q1. Median of two sorted arrays Core Projects Internship Exp Puzzle
Ans. 
The median of two sorted arrays can be found by merging the arrays and then calculating the median.
• Merge the two sorted arrays into a single sorted array

• Calculate the median of the merged array

• Handle cases where the total number of elements is even or odd
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Q1. Shit questions, no sense
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Q1. What you know about E-commerce
Ans. 
E-commerce refers to buying and selling goods or services online.
• E-commerce involves online transactions between businesses and consumers.

• It includes activities such as online shopping, electronic payments, and digital marketing.

• Popular examples of e-commerce platforms include Amazon, eBay, and Shopify.
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Q2. What you know about warehouse
Ans. 
A warehouse is a large building used for storing goods and materials.
• Warehouses are used by businesses to store inventory and fulfill orders.

• They often have loading docks for trucks to deliver and pick up goods.

• Warehouses can be organized using various systems such as FIFO (First In, First Out) or LIFO (Last In, First Out).
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Q3. What you know about the backend
Ans. 
Backend refers to the server-side of an application where data is stored and processed.
• Backend is responsible for managing databases, server-side logic, and ensuring smooth communication between the server and the client.

• Common backend technologies include Node.js, Python, Ruby on Rails, and Java.

• Backend developers work on creating APIs, handling user authentication, and optimizing server performance.

• Understanding back...read more
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Q4. What you know about the fronend
Ans. 
Frontend refers to the user interface of a website or application that users interact with.
• Frontend development involves using languages like HTML, CSS, and JavaScript to create the visual elements of a website or application.

• Frontend frameworks like React, Angular, and Vue.js are commonly used to streamline development and enhance user experience.

• Responsiveness, accessibility, and performance optimization are key cons...read more
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Basic dsa questions and java spring boot questions

Q1. Bookmyshow design
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Q2. Notification service design
Ans. 
Design a notification service for sending alerts to users.
• Use a scalable messaging system like Kafka or RabbitMQ to handle high volume of notifications.

• Implement a notification queue to ensure reliable delivery of notifications.

• Include support for different types of notifications such as email, SMS, and push notifications.

• Allow users to customize their notification preferences and frequency.

• Implement monitoring and log...read more
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Q1. Dsa based 2 question
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Q2. 1 linked list 2 sliding window
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