Beyond Borders Holidays Interview Questions and Answers

Performance optimization in React and core JavaScript involves minimizing render cycles, reducing unnecessary re-renders, and optimizing code execution.

• Use shouldComponentUpdate or React.memo to prevent unnecessary re-renders

• Avoid using inline functions in render methods to prevent creating new function instances on each render

• Use PureComponent for class components to perform shallow comparison of props and state before re-rendering

• Optimize JavaScript code by avoiding unneces...read more

SSR (Server-Side Rendering), CSR (Client-Side Rendering), and SSG (Static Site Generation) in Next.js and React.

• SSR (Server-Side Rendering) involves rendering the initial HTML on the server before sending it to the client.

• CSR (Client-Side Rendering) involves rendering the content on the client side using JavaScript.

• SSG (Static Site Generation) pre-builds the pages at build time, resulting in faster loading times.

• Next.js is a popular React framework that supports SSR, CSR, and...read more

Expected salary range for Software Engineer role

• Research industry standards for Software Engineer salaries

• Consider your experience, skills, and location when determining expected salary

• Be prepared to negotiate based on company benefits and job responsibilities

Agile methodology is a software development approach that emphasizes flexibility, collaboration, and iterative development.

• Focus on delivering working software in short iterations

• Emphasizes collaboration between cross-functional teams

• Allows for changes and adjustments throughout the development process

• Prioritizes customer feedback and continuous improvement

• Common frameworks include Scrum, Kanban, and XP

Sprint velocity is a measure of the amount of work a team can complete in a single sprint.

• Sprint velocity is calculated by summing up the story points completed in a sprint.

• It helps the team understand how much work they can realistically complete in future sprints.

• Velocity is used for sprint planning and forecasting project timelines.

• For example, if a team completes 20 story points in a sprint, their velocity is 20.

Laravel is a popular PHP framework known for its elegant syntax and powerful features.

• Advantages: Rapid development, built-in authentication, ORM, MVC architecture, robust security features

• Disadvantages: Steeper learning curve for beginners, slower performance compared to some other frameworks