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.

Duke University
Skills you'll gain: Rust (Programming Language), Serverless Computing, Command-Line Interface, Maintainability, Amazon Web Services, Linux Commands, Unix Commands, Application Deployment, System Programming, Python Programming, Package and Software Management, Performance Tuning, Software Testing
★ 5 (16) · Intermediate · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Unified Modeling Language, Unit Testing, Software Design, Data Flow Diagrams (DFDs), Software Engineering Tools, Software Engineering, Software Development Tools, JUnit, Software Testing, Diagram Design, Design, Data Ethics, Test Automation, Dataflow
★ 4.7 (159) · Intermediate · Course · 1 - 3 Months

Microsoft
Skills you'll gain: Image Analysis, Computer Vision, Artificial Intelligence and Machine Learning (AI/ML), Artificial Intelligence, Microsoft Azure, AI literacy, Model Training, Applied Machine Learning, Data Capture, Model Deployment, Classification Algorithms, Application Development
★ 4.6 (131) · Beginner · 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: Portfolio Risk, Portfolio Management, Risk Modeling, Financial Data, Risk Analysis, Investment Management, Return On Investment, Time Series Analysis and Forecasting, Financial Modeling, Investments, Object Oriented Programming (OOP), Statistical Analysis, General Finance, Correlation Analysis, Simulations, Regression Analysis, Financial Forecasting, Simulation and Simulation Software, Jupyter, Python Programming
★ 4.5 (12) · Intermediate · Course · 3 - 6 Months

Vanderbilt University
Skills you'll gain: Android Development, Android Studio, Software Testing, Mobile Development, Java, Development Testing, Unit Testing, Application Development, Integration Testing, User Interface (UI), Data Persistence
★ 4.4 (69) · Mixed · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Excel Macros, Microsoft Excel, Visual Basic (Programming Language), Simulations, User Interface (UI), Automation
★ 4.9 (464) · Advanced · Course · 1 - 3 Months

Skills you'll gain: Model Evaluation, Feature Engineering, Bioinformatics, Model Training, Dimensionality Reduction, Predictive Modeling, Applied Machine Learning, Artificial Neural Networks, Machine Learning Methods, Predictive Analytics, Pandas (Python Package), Drug Development, Data Preprocessing, Unsupervised Learning, Data Manipulation, Medical Science and Research, Molecular, Cellular, and Microbiology, Scientific Visualization, Molecular Biology, Machine Learning
★ 2.5 (27) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Requirements Elicitation, Cost Estimation, Agile Project Management, Business Analysis, Stakeholder Management, Agile Software Development, Project Management, Project Risk Management, Project Estimation, Project Scoping, Quality Management, Work Breakdown Structure, Project Management Life Cycle, Cost Management, Project Planning, Project Management Institute (PMI) Methodology, Risk Management, Business Analysis Tools, Personalized Service, Learning Styles
★ 4.6 (57) · Beginner · Specialization · 1 - 3 Months

Universitat Autònoma de Barcelona
Skills you'll gain: System Design and Implementation, Application Specific Integrated Circuits, Systems Design, Computational Logic, Computer Architecture, Computer Systems, Hardware Architecture, Design Strategies, Algorithms, Other Programming Languages
★ 4.7 (249) · Mixed · Course · 1 - 3 Months

Nanjing University
Skills you'll gain: Operating Systems, Computer Systems, File Management, System Software, OS Process Management, Memory Management, File Systems, System Programming, Software Systems, Software Architecture, Program Development, Data Storage, Software Development, Software Design, Peripheral Devices, Computer Hardware, Hardware Architecture, Algorithms, Human Computer Interaction
★ 4.5 (143) · Mixed · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Graphing, Data Analysis, R (Software), R Programming, General Mathematics, Mathematical Modeling, Algebra, Mathematical Software, Applied Mathematics, Calculus, Business Mathematics
★ 4.7 (224) · Beginner · Course · 1 - 4 Weeks