Angel One Senior Software Developer 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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1 hour , 1 medium and 1 hard
FInd Kth smallest element
Find Peak element

Q1. Parking Lot System design
Ans. 
Design a parking lot system with features like parking, unparking, and checking availability.
• Design classes for ParkingLot, ParkingSpot, Vehicle, etc.

• Implement methods for parking a vehicle, unparking a vehicle, and checking spot availability.

• Consider using data structures like HashMap or ArrayList to manage parking spots.

• Include features like ticket generation, fee calculation, and spot reservation.
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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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Q1. Aks about the few questions of dsa
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Q2. Ask about the design system
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Q1. Ask about the design system
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Maths,quant for 1 hour duration

Arrays, strings, linked list, palindrome

Data Structures Algorithms

Data Structures and Algorithm