Reactive programming courses can help you learn asynchronous data streams, event-driven architecture, and the principles of reactive systems. You can build skills in handling real-time data, managing state changes, and implementing backpressure strategies. Many courses introduce tools like RxJava, Reactor, and Akka, that support building responsive applications and integrating with APIs. By exploring these topics, you’ll gain practical experience in creating applications that efficiently respond to user interactions and system events.

Skills you'll gain: HTML and CSS, Cascading Style Sheets (CSS), UI Components, Web Design, Web Design and Development, Front-End Web Development, User Interface (UI) Design, User Interface (UI), Web Development Tools, Hypertext Markup Language (HTML), Web Development, Typography, Node.JS, Mockups, Build Tools, Configuration Management, Color Theory, Building Design, Debugging, Building Codes
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Web Design and Development, HTML and CSS, Frontend Integration, Web Components, Web Design, Responsive Web Design, Cascading Style Sheets (CSS), Context Management, Application Programming Interface (API), Hypertext Markup Language (HTML), Development Environment, User Accounts, User Interface (UI)
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Node.JS, TypeScript, Restful API, Back-End Web Development, Object-Relational Mapping, Web Development, Secure Coding, Server Side, Software Development Tools, Authentications, OAuth, Web Applications, Web Services, Unit Testing, Data Validation, Full-Stack Web Development, Authorization (Computing), Development Environment, Javascript, E-Commerce
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Apache Hadoop, Apache Hive, Big Data, Data Integration, Data Processing, Enterprise Application Management, Performance Tuning, Data Manipulation, Data Analysis, Distributed Computing, Data Import/Export, SQL, Analysis, Data Transformation, Program Development
Mixed · Course · 1 - 3 Months

Skills you'll gain: Unreal Engine, 3D Modeling, 3D Assets, Virtual Environment, Video Game Development, Data Import/Export, Animations
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Prompt Engineering, Retrieval-Augmented Generation, Generative AI Agents, LangGraph, Generative AI, LangChain, Agentic Workflows, Multimodal Prompts, LLM Application, UI Components, AI Security, Vector Databases, Large Language Modeling, Application Security, User Interface (UI) Design, Artificial Intelligence and Machine Learning (AI/ML), Artificial Intelligence, Embeddings, Python Programming
Intermediate · Course · 3 - 6 Months

Skills you'll gain: User Interface (UI), User Interface (UI) Design, Mobile Development, User Interface and User Experience (UI/UX) Design, Swift Programming, UI Components, UI/UX Strategy, Responsive Web Design, Apple iOS, Application Design, Animations, Apple Xcode, Application Development, Maintainability
Intermediate · Course · 1 - 3 Months

John Wiley & Sons
Skills you'll gain: Threat Modeling, Secure Coding, Application Security, Open Web Application Security Project (OWASP), Cybersecurity, DevSecOps, Cryptographic Protocols, Security Controls, Computer Security, Cryptography, Data Access, Database Application, Encryption, Data Security, Information Assurance, Data Validation, Authorization (Computing), Data Integrity, Computer Programming, Identity and Access Management
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Containerization, Docker (Software), Microservices, Version Control, Git (Version Control System), Development Environment, Application Deployment, Devops Tools, API Design, Software Architecture, Application Programming Interface (API), Virtual Networking, Nginx, Frontend Integration, System Configuration, Computer Networking
Beginner · Course · 1 - 4 Weeks
Skills you'll gain: Java, Java Programming, Performance Tuning, Data Structures, Software Engineering, Tree Maps, Scalability, Algorithms, Benchmarking, Theoretical Computer Science
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: React.js, Frontend Performance, Context Management, Front-End Web Development, JavaScript Frameworks, UI Components, Code Reusability, Data Persistence, User Interface (UI), Application Programming Interface (API)
Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: Marketing Analytics, Data Validation, SQL, Web Analytics, Marketing, Data Quality, Analytics, Prompt Engineering, Performance Tuning, Verification And Validation, AI literacy, Query Languages, Business Metrics, Code Review, Key Performance Indicators (KPIs), Data Integrity, Data Modeling, Relational Databases, AI Workflows, Reconciliation
Beginner · Course · 1 - 4 Weeks