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: iOS Development, Apple iOS, Swift Programming, Apple Xcode, Code Review, UI Components, Unit Testing, Mobile Development, User Interface (UI), User Interface (UI) Design, Application Development, Application Design, Interactive Design, Test Case, Code Reusability, Storyboarding
★ 4.7 (248) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Core Data (Software), Restful API, Apple iOS, JSON, Swift Programming, Application Programming Interface (API), Mobile Development, Application Development, Data Persistence, Data Modeling, Authentications, Network Protocols
★ 4 (52) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Cloud-Native Computing, NoSQL, MongoDB, Agile Methodology, Cloud Development, Agile Software Development, Scrum (Software Development), Cloud Applications, DevOps, Test Driven Development (TDD), Software Development Methodologies, CI/CD, Behavior-Driven Development, Continuous Integration, Continuous Delivery, Application Development, Cloud Deployment, Continuous Deployment, User Story
★ 4.5 (54) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Dashboard, Dashboard Creation, Data Warehousing, Data Presentation, Relational Databases, Database Development, Data Access, Database Management, SQL, Query Languages, Data Management, Data Analysis, Data Analysis Software, Cloud Computing, Benchmarking, Market Share
★ 4.4 (56) · Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Plotly, Interactive Data Visualization, Plot (Graphics), Data Visualization Software, Ggplot2, Exploratory Data Analysis, Data Analysis, Python Programming, Data Science, Machine Learning
★ 4.7 (269) · Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Microarchitecture, Real-Time Operating Systems, Computer Architecture, Embedded Software, Embedded Systems, Hardware Architecture, Memory Management, Software Development Tools, Digital Signal Processing, Debugging
★ 4.7 (144) · Intermediate · Course · 1 - 4 Weeks

DeepLearning.AI
Skills you'll gain: CrewAI, AI Workflows, AI Orchestration, Agentic Workflows, Generative AI Agents, Agentic systems, LLM Application, Automation, Artificial Intelligence and Machine Learning (AI/ML), Model Context Protocol, Context Engineering, Artificial Intelligence, System Monitoring, Workflow Management, Context Management, Tool Calling, Continuous Monitoring, Scalability, Memory Management, Large Language Modeling
★ 4.6 (9) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Object Oriented Design, Object Oriented Programming (OOP), Programming Principles, Computer Programming, Python Programming, Computer Science
★ 4.5 (66) · Intermediate · Course · 1 - 4 Weeks

Epic Games
Skills you'll gain: Unreal Engine, Game Design, Data Management, Blueprinting, Video Game Development, Scripting, Event-Driven Programming, C++ (Programming Language)
★ 3.9 (34) · Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Javascript, Web Development, Web Development Tools, Scripting, Hypertext Markup Language (HTML), Programming Principles
★ 4.5 (110) · Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Product Planning, Commercialization, Customer Insights, Product Management, Verification And Validation, Quality Assessment, Product Improvement, Research and Design, Manufacturing and Production, Product Lifecycle Management, Feasibility Studies, Quality Control, Manufacturing Standards, Ideation, Good Manufacturing Practices, Compliance Management, Ethical Standards And Conduct
★ 4.7 (74) · Beginner · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: HTML and CSS, Hypertext Markup Language (HTML), Responsive Web Design, Cascading Style Sheets (CSS), Web Development Tools, Web Design, Application Deployment, Web Design and Development, Computer Programming Tools, Development Environment, Software Development Tools, UI Components, Web Development, Front-End Web Development, Program Development, Interactive Design, Open Source Technology, GitHub, Graphic and Visual Design
★ 4.7 (132) · Beginner · Course · 3 - 6 Months