React JS
Infosys Bengaluru East, Karnataka, India
Job Description
"Unlock the world of reactive programming with React JS at Infosys, where you'll craft seamless user experiences and drive business growth through cutting-edge technology."
As a React JS developer at Infosys, you'll be part of a dynamic team that builds innovative digital solutions for clients worldwide. Your day will be a mix of collaboration, problem-solving, and creativity as you ensure high-quality deliverables and exceed customer expectations.
From understanding client requirements to designing and validating architectures, you'll be the technical expert who brings projects to life. With a focus on code quality, knowledge management, and process adherence, you'll lead your team towards excellence and drive business success.
Why you should learn this:
With the rise of digital transformation, the demand for skilled React JS developers is skyrocketing, making it an excellent career choice for those looking to stay ahead in the industry.
Expected Salary: $80,000 - $140,000 per annum, depending on location and experience, offering a lucrative career path with opportunities for growth and advancement.
How it works:
- Step 1: Collaborate with clients to understand their requirements and define project scope.
- Step 2: Design and validate architectures, ensuring scalability, reliability, and performance.
- Step 3: Develop high-quality, optimized code deliverables, following organizational guidelines and processes.
- Step 4: Conduct code reviews, unit test plan reviews, and technical risk planning to ensure project success.
- Step 5: Lead and guide teams towards knowledge management, ensuring a culture of continuous learning and improvement.
Core Concepts to Master
Components and Props
Understand how to build reusable UI components, manage props, and handle state changes in React applications.
State and Lifecycle Methods
Learn how to manage component state, use lifecycle methods, and optimize performance in React applications.
React Hooks and Context API
Discover how to use React Hooks for state management, and the Context API for global state sharing and optimization.
Error Boundary and Code Splitting
Understand how to create error boundaries, and use code splitting to optimize bundle size and improve application performance.
Interview Questions (Beginner)
- What is React, and how does it differ from other JavaScript libraries?
- How do you handle state changes in a React application?
- What is the difference between a class component and a functional component in React?
Job Overview
Advance Questions
- • How do you optimize the performance of a React application with a large number of components?
- • What is the purpose of the Context API in React, and how do you use it effectively?
- • How do you handle complex state management in a React application, and what tools do you use for it?