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.
University of Michigan
Skills you'll gain: SQL, Database Management, Relational Databases, Databases, Database Design, Query Languages, Data Visualization, Web Scraping, Interactive Data Visualization, Data Processing, Object Oriented Programming (OOP), Object Oriented Design, Data Modeling, Geospatial Mapping, Data Storage, Python Programming, Data Collection
Mixed · Course · 1 - 3 Months

Skills you'll gain: LLM Application, Data Processing, Data Transformation, Generative AI Agents, Generative AI, Workflow Management, Artificial Intelligence, Context Management, Memory Management, Automation, JSON
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Node.JS, Responsive Web Design, JSON, jQuery, Restful API, HTML and CSS, Bootstrap (Front-End Framework), API Design, GitHub, Git (Version Control System), Postman API Platform, Web Design, Javascript and jQuery, Hypertext Markup Language (HTML), Web Development, MongoDB, Back-End Web Development, Full-Stack Web Development, Cascading Style Sheets (CSS), Program Development
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Node.JS, Full-Stack Web Development, Front-End Web Development, Server Side, Application Deployment, Back-End Web Development, JavaScript Frameworks, Cloud Deployment, Web Applications, UI Components, Authentications, User Accounts, Database Development, User Interface (UI), User Interface and User Experience (UI/UX) Design, Payment Systems, Development Environment
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Leaflet (Software), React.js, Application Deployment, Application Development, Web Design and Development, Cloud Deployment, Web Development, Responsive Web Design, UI Components, Interactive Design, User Interface (UI)
Intermediate · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: UI Components, JavaScript Frameworks, Web Frameworks, Event-Driven Programming, Vue.JS, React.js, Code Reusability, Data Import/Export, Web Applications, Application Frameworks, Front-End Web Development, Javascript, Web Development
Intermediate · Course · 1 - 4 Weeks

Packt
Skills you'll gain: JavaScript Frameworks, Restful API, Application Programming Interface (API), Web Development, React.js, Authentications, OAuth, Web Applications, Server Side, Back-End Web Development, Object-Relational Mapping, UI Components, Cloud Hosting, Image Quality, Secure Coding, Application Deployment
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Object Oriented Programming (OOP), Object Oriented Design, Javascript, Software Design Patterns, Data Management, Data Structures, Web Development, Performance Tuning
Intermediate · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Blockchain, User Interface (UI), User Interface (UI) Design, User Interface and User Experience (UI/UX) Design, Cryptography, Secure Coding, Application Security, Security Testing, Web Development Tools, Security Controls, React Redux, Encryption, User Experience Design, Key Management, Cryptographic Protocols, Security Strategy, Application Development, Legal Technology, Vulnerability Assessments, Data Security
Intermediate · Specialization · 1 - 3 Months

Pragmatic AI Labs
Skills you'll gain: Prompt Engineering, Retrieval-Augmented Generation, Generative AI, Prompt Engineering Tools, Generative AI Agents, LLM Application, OpenAI, Claude Code, Anthropic Claude, Rust (Programming Language), Databricks, Embeddings, MLOps (Machine Learning Operations), Vector Databases, Data Architecture, DevOps, Python Programming, Software Architecture, Scala Programming, Governance
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Full-Stack Web Development, Responsive Web Design, Email Automation, Order Management, UI Components, Payment Processing, Data Validation, Order Processing, User Interface (UI) Design, Web Design and Development, Search Engine Optimization, Web Applications, JavaScript Frameworks, Authentications, React.js, E-Commerce, Order Delivery, Web Analytics and SEO, PostgreSQL, Credit/Debit Card Processing
Intermediate · Specialization · 3 - 6 Months

IE Business School
Skills you'll gain: Diversity and Inclusion, Diversity Awareness, Diversity Training, Workplace inclusivity, Diversity Equity and Inclusion Initiatives, Cultural Diversity, Social Justice, Intercultural Competence, Recognizing Others, Cultural Responsiveness, Empathy, Safety Culture, Discussion Facilitation, Advocacy, Self-Awareness
Intermediate · Course · 1 - 4 Weeks