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.

Scrimba
Skills you'll gain: HTML and CSS, Hypertext Markup Language (HTML), Responsive Web Design, Web Design, Interactive Design, Cascading Style Sheets (CSS), Web Content Accessibility Guidelines, Usability, User Interface (UI) Design, UI Components, Browser Compatibility, Web Development
Intermediate · Course · 1 - 4 Weeks

Edureka
Skills you'll gain: API Gateway, Authentications, Application Programming Interface (API), OAuth, API Design, Cloud API, Authorization (Computing), Secure Coding, API Testing, Restful API, Threat Modeling, Application Security, Data Security, Distributed Denial-Of-Service (DDoS) Attacks, Identity and Access Management, Encryption, Prometheus (Software), Flask (Web Framework), Grafana, Python Programming
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Object Oriented Design, Software Design Patterns, Functional Design, Maintainability
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Make.com, JSON, Outbound Calls, Application Programming Interface (API), Phone Sales, Booking (Sales), Sales Presentation, Setting Appointments, Systems Integration, No-Code Development, Calendar Management, Technical Sales, Automation, AI Personalization, Scheduling
Intermediate · Guided Project · Less Than 2 Hours

Google Cloud
Skills you'll gain: Image Analysis, Cloud API, Cloud Storage, Google Cloud Platform, Application Programming Interface (API), Computer Vision, Cloud Services
Beginner · Project · Less Than 2 Hours

Skills you'll gain: Unreal Engine, 3D Assets, 3D Modeling, Game Design, Video Game Development, Computer Graphics, Animation and Game Design, Virtual Environment
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Mathematical Software, Numerical Analysis, Software Installation, Mathematical Modeling, Applied Mathematics, Trigonometry, Programming Principles, Data Manipulation, Engineering Calculations, Linear Algebra, Data Management
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Animation and Game Design, Video Game Development, Computer Graphics, 3D Assets, Animations, C# (Programming Language), Cross Platform Development, Development Environment, Software Installation, Content Management
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Exploitation techniques, Penetration Testing, Cyber Attacks, Cyber Security Assessment, Cybersecurity, Event Monitoring, Vulnerability Management, Vulnerability, Continuous Monitoring, Data Security, Network Security, Analysis, Criminal Investigation and Forensics, System Monitoring, System Configuration, Network Monitoring, Bash (Scripting Language), Scripting, Linux, Python Programming
Advanced · Specialization · 1 - 3 Months
Skills you'll gain: Microsoft Power Automate/Flow, Microsoft Power Platform, Microsoft 365, Data Integration, Digital Transformation, React.js, Frontend Performance, Business Process Automation, Web Development Tools, Automation, Process Optimization, Application Programming Interface (API), Data Transformation, Integration Testing, UI Components, Development Testing, Authentications
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Bootstrap (Front-End Framework), Responsive Web Design, Hypertext Markup Language (HTML), Mockups, Web Development, Web Design, Cascading Style Sheets (CSS), Web Development Tools
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Unity Engine, Mobile Development, Scripting, C# (Programming Language), Android (Operating System), Video Game Development, Game Design, Performance Tuning, Animations, User Interface (UI)
Beginner · Course · 3 - 6 Months