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.

Coursera
Skills you'll gain: Verification And Validation, Spatial Data Analysis, Virtual Environment, Geospatial Information and Technology, Development Environment, Geographic Information Systems, Software Installation, Debugging, Package and Software Management, Software Versioning, Dependency Analysis, Pandas (Python Package), Environment, Scripting, Python Programming, Environmental Regulations, Cross-Channel Marketing
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Application Development, Application Design, Typography, Development Environment
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Prompt Engineering, Prompt Engineering Tools, LLM Application, AI Workflows, AI Orchestration, No-Code Development, Retrieval-Augmented Generation, Memory Management, Agentic systems, Application Programming Interface (API), Software Installation
Beginner · Course · 1 - 3 Months

Coursera
Skills you'll gain: Content Scheduling, Social Media Content, Social Media Management, Social Media, Social Media Marketing, Social Media Strategy, Social Media Campaigns, Strategic Communication, Customer Communications Management, Driving engagement, Brand Strategy, Customer Engagement, Social Impact, Social Skills, Operational Efficiency, Social Network Analysis
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: .NET Framework, Performance Tuning, Debugging, Health Informatics, Health Technology, Performance Testing, C# (Programming Language)
Intermediate · Guided Project · Less Than 2 Hours

University of Colorado System
Skills you'll gain: Video Game Development, Game Design, Unity Engine, Unreal Engine, Program Development, No-Code Development, User Interface (UI)
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Unreal Engine, Virtual Environment, Animation and Game Design, Design Strategies
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Node.JS, Role-Based Access Control (RBAC), TypeScript, Authentications, Server Side, Jest (JavaScript Testing Framework), Web Frameworks, Back-End Web Development, Authorization (Computing), MongoDB, Object-Relational Mapping, Web Development Tools, Web Applications, Identity and Access Management, Unit Testing, Test Script Development, Web Development, Database Management, Application Programming Interface (API), Javascript and jQuery
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: React.js, Code Reusability, Web Development Tools, Development Environment, Responsive Web Design, Software Design, Frontend Performance, Web Design and Development, HTML and CSS, Front-End Web Development, JavaScript Frameworks, Maintainability, UI Components, Cascading Style Sheets (CSS), Software Development Tools, Event-Driven Programming, Web Analytics and SEO
Intermediate · Course · 1 - 4 Weeks

Simplilearn
Skills you'll gain: Git (Version Control System), Version Control, DevSecOps, Devops Tools, DevOps, CI/CD, Open Web Application Security Project (OWASP), Continuous Delivery, IT Automation, Collaborative Software, Continuous Integration, Agile Methodology, Secure Coding, Application Security, Continuous Deployment, Security Software, Agile Software Development, Automation, Real Time Data, Control Systems
Beginner · Course · 1 - 3 Months

Google Cloud
Skills you'll gain: Serverless Computing, Containerization, Google Cloud Platform, Google App Engine, Cloud Infrastructure, Cloud Solutions, Hybrid Cloud Computing, Cloud Platforms, Cloud Applications, Cloud-Native Computing, Application Programming Interface (API), Cloud Computing, Application Deployment, Computing Platforms, Platform As A Service (PaaS), Multi-Cloud, Cloud Deployment, Data Migration, Leadership and Management, Finance
Beginner · Course · 1 - 3 Months
University of Michigan
Skills you'll gain: Generative AI, AI Workflows, Workflow Management, Information Architecture, Artificial Intelligence, Systems Thinking, Record Keeping, Strategic Thinking, Cost Benefit Analysis, Data Management
Beginner · Course · 1 - 4 Weeks