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.

The Hong Kong University of Science and Technology
Skills you'll gain: Software Design Patterns, Software Architecture, Software Development Life Cycle, Software Quality Assurance, Software Quality (SQA/SQC), Software Design, Software Engineering, Quality Assurance, Systems Analysis, Object Oriented Design, Systems Design, Project Management, Project Planning, Systems Architecture, Unified Modeling Language, Diagram Design
★ 4.6 (220) · Intermediate · Course · 1 - 3 Months
University of Illinois Urbana-Champaign
Skills you'll gain: Matplotlib, Plot (Graphics), Pandas (Python Package), Seaborn, SQL, Data Visualization, Data Preprocessing, Jupyter, Data Manipulation, NumPy, Data-Driven Decision-Making, Regression Analysis, Accounting, Applied Machine Learning, Database Management, Query Languages, Analytics, Relational Databases, Python Programming, Data Structures
★ 4.4 (118) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Object Oriented Programming (OOP), Java, Java Programming, Object Oriented Design, Software Design, Computer Programming, Software Testing, Application Development
★ 4.5 (114) · Intermediate · Guided Project · Less Than 2 Hours

National Academy of Sports Medicine
Skills you'll gain: Exercise Science, Kinesiology, Human Musculoskeletal System, Respiration, Physiology, Neurology, Mechanics, Injury Prevention, Anatomy, Medical Terminology, Nutrition and Diet
★ 4.7 (81) · Beginner · Course · 1 - 3 Months
Universidad Austral
Skills you'll gain: Angular, Server Side, Node.JS, Responsive Web Design, LESS, Bootstrap (Front-End Framework), Mobile Development, Back-End Web Development, Version Control, Cross Platform Development, Restful API, HTML and CSS, jQuery, Web Design and Development, React Redux, Continuous Integration, TypeScript, iOS Development, JSON, MongoDB
★ 4.2 (835) · Beginner · Specialization · 3 - 6 Months

Peking University
Skills you'll gain: Microarchitecture, Computer Architecture, Computer Systems, Hardware Architecture, Computer Hardware, Computer Engineering, Peripheral Devices, Data Storage, Display Devices, Systems Architecture, Memory Management, Computational Logic, OS Process Management
★ 4.8 (483) · Mixed · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Bash (Scripting Language), Scalability, Distributed Computing, Shell Script, Computer Systems, Big Data, Linux Commands, Hardware Architecture, Operating Systems, Unix Shell, File Systems, Computing Platforms, Linux, Performance Testing, Scripting, Performance Tuning, Memory Management, Computer Architecture, Capacity Management, File Management
★ 3.8 (168) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Code Reusability, Python Programming, Computer Programming, Programming Principles, Software Development
★ 4.6 (119) · Beginner · Guided Project · Less Than 2 Hours

Coursera
Skills you'll gain: Model Training, Regression Analysis, NumPy, Machine Learning Algorithms, Machine Learning, Model Optimization, Deep Learning, Data Science, Python Programming
★ 4.6 (441) · Intermediate · Guided Project · Less Than 2 Hours

Fractal Analytics
Skills you'll gain: Responsible AI, A/B Testing, Design Thinking, Ideation, Generative AI, User Centered Design, Design and Product, Data Ethics, Experience Design, Innovation, User Research, Data Storytelling, Dashboard, AI literacy, Data Analysis, Artificial Intelligence, Prompt Engineering, Critical Thinking, Business Consulting, Problem Solving
★ 4.7 (431) · Beginner · Specialization · 1 - 3 Months

28DIGITAL
Skills you'll gain: Real-Time Operating Systems, Embedded Software, Embedded Systems, Threat Modeling, Systems Architecture, Hardening, Debugging, Computer Architecture, Hardware Architecture, System Programming, Internet Of Things, Security Engineering, General Networking, Wireless Networks, Operating Systems, Performance Tuning, System Requirements, Network Protocols, OS Process Management
★ 4.4 (362) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Back-End Web Development, Django (Web Framework), Version Control, Git (Version Control System), API Testing, Web Development, Authentications, API Design, Application Development, Application Programming Interface (API), Restful API, Unit Testing, Test Tools, Database Development, MySQL, User Accounts, Web Applications, Databases
★ 4.6 (187) · Intermediate · Course · 1 - 4 Weeks