Yubi Software Engineer Intern Interview Questions and Answers

Q1. Explain the react lifecycle functions and how they work
Ans. 
React lifecycle functions are methods that are automatically called at specific points in a component's life cycle.
• Mounting: constructor, render, componentDidMount

• Updating: render, componentDidUpdate

• Unmounting: componentWillUnmount
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Q2. Css box model, difference between padding and margin
Ans. 
Padding is the space inside the border of an element, while margin is the space outside the border.
• Padding is used to create space between the content and the border of an element.

• Margin is used to create space between the border of an element and other elements.

• Padding affects the size of the content area, while margin affects the positioning of the element.

• Example: padding: 10px will create 10 pixels of space inside ...read more
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Q1. What are your salary expectations in CTC and variables?
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Q2. Will you relocate to the location required?
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Q1. LLD/Machine coding - Design a social media application with users, posts, comments, likes, etc. There is also an admin who needs to approve post creation and can delete any post they want. Create appropria...read more
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Q1. High-level design - Design a chat-based application like WhatsApp with only user-to-user chat feature (no group chats). Explain and draw out the E2E design by mentioning all the components and design decis...read more
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Q1. Hiring Manager - basic questions like why Razorpay, what are your career goals, what does career growth look like for you, etc.
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Write code for advance surrying in js

Implement custom hook for api call

Q1. Basic questions arounf my previous work
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Q2. Technical questions around performance and code optimization
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1 hour, the coding test was based on a project given to us

Q1. Detailed questionnaire on React
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Q2. Problem solving based on array manipulations
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Q1. Binary search algo quetion
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Q1. Describe projects
Ans. 
I have worked on various projects including developing web applications, creating mobile apps, and implementing machine learning algorithms.
• Developed a web application for a retail company to manage inventory and sales data

• Created a mobile app for a fitness tracking platform to track user's exercise routines

• Implemented machine learning algorithms for a recommendation system in an e-commerce website
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Q2. Knowledge testing on ML frameworks
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Had a overall personality, technical & problem solving test with AVP

Q1. One leetcode easy-medium problem
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Q2. Java, springboot and oops question
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Q1. Project related questions
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Q2. System design questions
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MVVM was asked and swift questions