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.

ESSEC Business School
Skills you'll gain: Communication Strategies, Cultural Sensitivity, Intercultural Competence, Cultural Diversity, Verbal Communication Skills, Communication, Relationship Building, Non-Verbal Communication, Negotiation, International Relations
Intermediate · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: TypeScript, Node.JS, Web Development Tools, React.js, Server Side, Javascript, Data Structures, Web Development, Data Validation, Web Design, Computer Programming
Intermediate · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: Prompt Engineering, Generative AI Agents, Tool Calling, Agentic systems, User Interface and User Experience (UI/UX) Design, Human Computer Interaction, OpenAI, Artificial Intelligence
Intermediate · Course · 1 - 4 Weeks

École Polytechnique Fédérale de Lausanne
Skills you'll gain: Scala Programming, User Interface (UI), Heat Maps, Data Visualization Software, Interactive Data Visualization, Big Data, Geospatial Information and Technology, Geospatial Mapping, Data Manipulation, Data Transformation, Apache Spark, Spatial Data Analysis
Mixed · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Model View Controller, Spring Framework, Restful API, Spring Boot, Web Services, JSON, YAML, Web Applications, Configuration Management, Angular, Java Programming, Application Frameworks, Software Architecture, Middleware, Extensible Markup Language (XML)
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Bootstrap (Front-End Framework), Browser Compatibility, Responsive Web Design, Web Design and Development, Cascading Style Sheets (CSS), Front-End Web Development, UI Components, React.js, Web Applications, Hypertext Markup Language (HTML)
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Cloud Deployment, CI/CD, Full-Stack Web Development, MongoDB, Application Design, Node.JS, React.js, DevOps, NoSQL, Database Management, Kubernetes, Front-End Web Development, Software Architecture, Application Development, Authorization (Computing), Back-End Web Development, Restful API, Application Programming Interface (API), GitHub, Javascript
Advanced · Course · 1 - 3 Months

Skills you'll gain: HTML and CSS, React.js, Front-End Web Development, Mockups, Web Design and Development, Web Development, Web Components, Figma (Design Software), Code Review, Application Deployment, Web Analytics and SEO, Database Development, Software Development, GitHub, Development Testing
Advanced · Course · 1 - 3 Months

The Hong Kong University of Science and Technology
Skills you'll gain: Financial Regulation, Financial Regulations, Bank Regulations, FinTech, Financial Services, Financial Industry Regulatory Authorities, Mobile Banking, Regulatory Requirements, Fraud detection, Data Security, Cybersecurity, Insurance, Blockchain, Digital Forensics
Beginner · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Angular, Node.JS, Full-Stack Web Development, HTML and CSS, JavaScript Frameworks, User Interface (UI), Application Deployment, Application Frameworks, Back-End Web Development, Front-End Web Development, Hypertext Markup Language (HTML), MongoDB, User Interface (UI) Design, Web Design, Middleware, Bootstrap (Front-End Framework), jQuery, Javascript, Databases, Cascading Style Sheets (CSS)
Intermediate · Specialization · 1 - 3 Months

Board Infinity
Skills you'll gain: Bootstrap (Front-End Framework), UI Components, Full-Stack Web Development, JavaScript Frameworks, Web Applications, Web Components, Database Management, Software Development Tools, Software Architecture, Development Environment, Software Testing, NoSQL, Web Servers, Application Frameworks, Application Security, Authentications, Middleware, Performance Tuning, Semantic Web, Authorization (Computing)
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Blockchain, Secure Coding, Penetration Testing, Front-End Web Development, Application Development, Application Design, Security Testing, Application Security, Development Environment, Web Development, Software Development Tools, Cyber Security Assessment, Payment Systems, Continuous Monitoring, Authorization (Computing), User Interface (UI), Incident Response, Role-Based Access Control (RBAC), Application Deployment, Transaction Processing
Beginner · Specialization · 3 - 6 Months