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.

EDUCBA
Skills you'll gain: JUnit, Test Automation, Unit Testing, Java Programming, Java, Test Script Development, Verification And Validation, Test Tools, Software Testing, Test Execution Engine, Development Testing, Quality Assurance, Software Quality Assurance, System Testing, Application Development, Test Case, Data Validation, Application Design, Automation, Software Development
★ 4.9 (20) · Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Restful API, API Design, ASP.NET, Application Programming Interface (API), GraphQL, .NET Framework, Object-Relational Mapping, Data Modeling, Data Store, Relational Databases, Middleware, C# (Programming Language), Query Languages, Transact-SQL, Data Mapping, Application Frameworks, Data Access, Back-End Web Development, Data Persistence, Configuration Management
Intermediate · Course · 1 - 3 Months

DeepLearning.AI
Skills you'll gain: Model Optimization, Machine Learning Methods, Applied Mathematics, Calculus, Applied Machine Learning, Numerical Analysis, Machine Learning Algorithms, Software Visualization, Machine Learning, Python Programming, Advanced Mathematics, Artificial Neural Networks, Deep Learning, Computer Programming, Derivatives
★ 4.8 (970) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Visualforce, Salesforce Development, Salesforce, Application Development, Salesforce Object Query Language (SOQL), Restful API, Application Programming Interface (API), Web Services, Data Modeling, API Testing, Javascript, Data Access, SQL, Programming Principles
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: User Story, Information Architecture, UI/UX Research, User Research, Persona (User Experience), User Interface and User Experience (UI/UX) Design, Design Thinking, Agile Software Development, UI/UX Strategy, Scrum (Software Development), User Centered Design, Design Research, Responsive Web Design, User Interface (UI), Figma (Design Software), Wireframing, User Experience, Adobe XD, Responsible AI, Prototyping
★ 4.8 (2.9K) · Beginner · Professional Certificate · 3 - 6 Months
University of Alberta
Skills you'll gain: Agile Software Development, Agile Methodology, Requirements Analysis, Software Development, Product Requirements, Requirements Management, Product Management, Agile Project Management, Software Development Methodologies, Software Engineering, Project Planning, Process Development, Project Management
★ 4.6 (7.8K) · Mixed · Course · 1 - 4 Weeks

University of California San Diego
Skills you'll gain: Session Initiation Protocols, Cloud Development, Android Development, Version Control, Integrated Development Environments, Cloud Applications, Cloud Computing Architecture, GitHub, Cloud Computing, Software Design, Application Development, Systems Design, Android (Operating System), Amazon Web Services, Embedded Software, Internet Of Things, Android Studio, Telecommunications, Mobile Development, Computer Vision
★ 4.5 (2.9K) · Intermediate · Specialization · 3 - 6 Months

Northwestern University
Skills you'll gain: Robotics, Machine Controls, Control Systems, Mathematical Modeling, Mathematical Software, Simulation and Simulation Software, Engineering, Mechanics, Mechanical Engineering, Applied Mathematics, Numerical Analysis, Simulations, Process Control, Virtual Environment, Torque (Physics), Graph Theory, Matlab, Algorithms, Engineering Calculations, Physics
★ 4.7 (1.3K) · Intermediate · Specialization · 3 - 6 Months

Imperial College London
Skills you'll gain: Analytical Skills, Science and Research, Sampling (Statistics), Statistical Hypothesis Testing, Data Literacy, Statistical Analysis, R (Software), Data Analysis, Statistical Software, Statistical Programming, Probability & Statistics, Statistical Methods, Data Analysis Software, R Programming, Statistics, Public Health, Statistical Inference, Descriptive Statistics, Probability Distribution
★ 4.7 (1.6K) · Beginner · Course · 1 - 4 Weeks
University of Virginia
Skills you'll gain: Usability Testing, Agile Product Development, Usability, User Story, Continuous Delivery, Persona Development, Agile Software Development, Sprint Planning, Peer Review, Agile Methodology, Product Testing, Agile Project Management, Team Performance Management, Team Management, Product Improvement, User Interface (UI), Design Thinking, Customer Analysis, Product Development, Persona (User Experience)
★ 4.7 (4.9K) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Debugging, Integrated Development Environments, Data Structures, Programming Principles, Development Environment, Computational Logic, Python Programming, Code Reusability, Scripting, Functional Design, Command-Line Interface, Memory Management, Software Installation
Beginner · Course · 3 - 6 Months

Skills you'll gain: Data Cleansing, Data Integration, Data Quality, Data Analysis Software, Data Manipulation, Data Wrangling, Data Transformation, Data Validation, Jupyter, Data Analysis, Programming Principles, Data Processing, Data Import/Export, Exploratory Data Analysis, Analytics, Development Environment, Python Programming, Command-Line Interface, Code Reusability
Intermediate · Course · 1 - 3 Months