JavaScript Developer
Infosys Bengaluru East, Karnataka, India
Job Description
"Unlock the world of web development with JavaScript and TypeScript as a JavaScript Developer at Infosys, where you'll craft innovative web applications and scalable solutions."
As a JavaScript Developer at Infosys, you'll be part of a team that builds cutting-edge web applications using the latest technologies and frameworks. With a strong focus on UI/UX and responsive design, you'll create seamless user experiences that drive business growth.
From building reusable components and designing scalable front-end architectures to integrating APIs and ensuring accessibility, your skills will be in high demand as you tackle complex projects and deliver results-driven solutions.
Why you should learn this:
JavaScript is in high demand, with a projected growth rate of 13% by 2028, making it an ideal skill to acquire for a successful career in web development.
Expected Salary: $80,000 - $150,000 per year, depending on experience and location, making it a lucrative career path for skilled professionals.
How it works:
- Step 1: Learn the fundamentals of JavaScript, including variables, data types, functions, and object-oriented programming.
- Step 2: Master modern JavaScript frameworks and libraries, such as React, Angular, and Vue.js, to build scalable and maintainable applications.
Core Concepts to Master
Components and JSX
Learn how to build reusable UI components using JSX and handle events, props, and state management in React applications.
State Management and Performance Optimization
Discover how to manage state in complex applications using libraries like Redux and React Query, and optimize performance using techniques like memoization and lazy loading.
Web Components and Custom Elements
Explore the world of web components, including custom elements, shadow DOM, slots, and reusable component design, to create modular and maintainable front-end architectures.
TypeScript and Static Typing
Learn the benefits of static typing with TypeScript and how to use it to improve code quality, maintainability, and scalability in large-scale applications.
Accessibility and Cross-Browser Compatibility
Understand the importance of accessibility and cross-browser compatibility in front-end development and learn how to implement best practices to ensure a seamless user experience across different browsers and devices.
Interview Questions (Beginner)
- What is JavaScript and how does it work?
- Can you explain the difference between var, let, and const in JavaScript?
- How do you handle errors and exceptions in JavaScript?
Job Overview
Advance Questions
- • Can you describe a scenario where you used a state management library like Redux?
- • How do you optimize the performance of a React application?
- • Can you explain the concept of web components and how to use them in a front-end project?