Active Intelligence Software Engineer Interview Questions and Answers

Build a typeahead component

Q1. Build a form for personal details
Ans. 
Build a form for personal details
• Include fields for name, email, phone number, address, date of birth

• Use input fields, dropdowns, and date pickers for user input

• Add validation for required fields and correct formats

• Consider user experience with clear labels and easy navigation
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Q2. Add validations to different fields
Ans. 
Implement validations for different fields in software development.
• Identify the fields that require validation such as email, password, phone number, etc.

• Use regular expressions to validate input data format.

• Implement client-side and server-side validations to ensure data integrity.

• Display error messages for invalid input to guide users on correct data entry.
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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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Q1. Basic Java related questions, OOPs concepts
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Q2. Write code for encryption of the code
Ans. 
Encryption of code involves converting plaintext into ciphertext to secure data.
• Choose a strong encryption algorithm like AES or RSA

• Generate a key for encryption

• Encrypt the plaintext using the key and algorithm

• Store or transmit the ciphertext securely
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Q1. Java Related questions, also some system design-related questions
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Q2. Show the abstraction and write code for function overriding
Ans. 
Abstraction is hiding the implementation details, function overriding is providing a new implementation for a method in a subclass.
• Abstraction involves hiding the complex implementation details and showing only the necessary features to the user.

• Function overriding occurs in inheritance when a subclass provides a specific implementation for a method that is already defined in its superclass.

• Example: Parent class 'Anima...read more
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Q1. Normal questions related to projects and work ethics
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Q1. Just to know more about why i want the role
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Testing an payment flow on the application

Q1. Explain java8 concepts
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Q2. Internal working of hashmap
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Leetcode medium to hard level

Q1. Dfs bfs in a graph
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Q1. Innerjoin, index, some logical question.
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