Notetech Software Interview Questions and Answers

Design a book reader service similar to Kindle

• Implement a user-friendly interface for browsing and purchasing books

• Include features like bookmarking, highlighting, and note-taking

• Support various file formats such as PDF, EPUB, and MOBI

• Provide options for customization like font size, background color, and reading progress tracking

LLD stands for Low Level Design, which includes designing API and database schema for a software system.

• LLD involves detailed design of individual components/modules of a software system.

• API design includes defining endpoints, request/response formats, authentication mechanisms, etc.

• DB schema design involves defining tables, relationships, indexes, constraints, etc.

• LLD ensures that the system is scalable, maintainable, and efficient.

• Example: For an e-commerce platform, LLD wo...read more

Design a movie booking system

• Create a database to store movie details, showtimes, and seat availability

• Develop a user interface for customers to browse movies, select showtimes, and book seats

• Implement a payment gateway for secure transactions

• Include features like seat selection, seat reservation timeout, and booking confirmation

Design a Google calendar

• Allow users to create events and set reminders

• Provide options for recurring events

• Include sharing and collaboration features

• Integrate with other Google services like Gmail and Maps

Design LLD of Dream11

• Use microservices architecture for scalability and flexibility

• Implement user authentication and authorization for secure access

• Utilize caching mechanisms to improve performance

• Design database schema for storing user data, teams, matches, and scores

• Include features like creating teams, joining contests, and viewing live scores