React JS courses can help you learn component-based architecture, state management, and routing. You can build skills in creating interactive user interfaces, optimizing performance, and managing application state with tools like Redux. Many courses also cover testing frameworks such as Jest and React Testing Library, enabling you to ensure your applications are robust and reliable.

Skills you'll gain: Blockchain, Secure Coding, Penetration Testing, Front-End Web Development, Application Development, Security Testing, Web Development Tools, Application Security, Development Environment, Web Development, Software Development Tools, Cyber Security Assessment, JavaScript Frameworks, Payment Systems, Transaction Processing, Microsoft Development Tools, Authorization (Computing), User Interface (UI), Authentications, Programming Principles
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Blockchain, Development Testing, Web Development Tools, Application Development, Computer Programming Tools, Cryptographic Protocols, Javascript
Beginner · Guided Project · Less Than 2 Hours

Board Infinity
Skills you'll gain: React Native, Mobile Development, Responsive Web Design, Docker (Software), Azure DevOps, Restful API, Cross Platform Development, Microservices, Containerization, User Interface and User Experience (UI/UX) Design, DevOps, UI Components, ASP.NET, iOS Development, CI/CD, .NET Framework, Unit Testing, Software Testing, Android Development, Version Control
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Restful API, API Design, Node.JS, Software Documentation, JavaScript Frameworks, Web Services, Middleware, Authentications, JSON, Server Side, Web Applications, Authorization (Computing)
Mixed · Course · 1 - 4 Weeks
Johns Hopkins University
Skills you'll gain: Systems Thinking, Health Systems, Health Policy, Public Health, Policy Analysis, Policy Development, Simulations, Systems Analysis
Mixed · Course · 1 - 4 Weeks

Microsoft
Skills you'll gain: Microsoft Copilot, Microsoft Visual Studio, GitHub, Code Review, Integrated Development Environments, Program Development, Software Documentation, Maintainability, Computer Programming Tools, Test Automation, Web Development Tools, Software Technical Review, Technical Documentation, Test Case, Debugging, React.js
Beginner · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: JavaScript Frameworks, UI Components, Full-Stack Web Development, React.js, TypeScript, Front-End Web Development, Web Development, Web Applications, Server Side, User Interface and User Experience (UI/UX) Design, Software Development, Routing Protocols, Performance Tuning
Intermediate · Course · 1 - 4 Weeks

Corporate Finance Institute
Skills you'll gain: Financial Trading, Financial Market, Market Data, Economics, Capital Markets, Market Dynamics, Financial Policy, Market Trend, Banking, Investment Management, Forecasting
Beginner · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Bootstrap (Front-End Framework), Full-Stack Web Development, JavaScript Frameworks, Web Applications, Database Management, Software Architecture, Database Design, Development Environment, Software Testing, NoSQL, Application Frameworks, Application Security, Authentications, Middleware, Performance Tuning, Semantic Web, Authorization (Computing), Scalability
Beginner · Specialization · 1 - 3 Months
Universidad Austral
Skills you'll gain: Mobile Development, Cross Platform Development, React Redux, iOS Development, Continuous Integration, Apple iOS, Test Automation, Unit Testing, User Interface (UI), Development Testing, CI/CD, Angular, Android Studio, UI Components, User Interface and User Experience (UI/UX) Design, TypeScript, Application Programming Interface (API), Debugging, Animations
Beginner · Course · 1 - 4 Weeks
Skills you'll gain: Application Security, Open Web Application Security Project (OWASP), Angular, OAuth, Test Driven Development (TDD), Cryptography, Data Validation, Unit Testing, Vue.JS, Data Security, Authentications, HTML and CSS, Encryption, Authorization (Computing), General Data Protection Regulation (GDPR), Web Applications, JavaScript Frameworks, Javascript, Security Strategy, Computer Programming
Beginner · Specialization · 1 - 3 Months

Board Infinity
Skills you'll gain: CI/CD, Jenkins, Docker (Software), Spring Boot, Continuous Integration, Configuration Management, Containerization, Scalability, Software Documentation, Java, Continuous Deployment, Spring Framework, API Gateway, DevOps, Back-End Web Development, JUnit, Application Programming Interface (API), Java Programming, Application Deployment, React.js
Intermediate · Specialization · 1 - 3 Months