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.

University of Colorado System
Skills you'll gain: Linear Algebra, Mathematical Modeling, Estimation, Matlab, Simulations, Engineering Analysis, Applied Mathematics, Control Systems, Time Series Analysis and Forecasting, Probability & Statistics, Statistical Methods, Probability Distribution
Intermediate · Course · 1 - 4 Weeks

University of Minnesota
Skills you'll gain: Social Determinants Of Health, Health Disparities, Health Equity, Health Policy, Systems Thinking, Health Informatics, Public Health, Community Health, Data Analysis, Socioeconomics, R Programming, Data Visualization
Beginner · Course · 1 - 3 Months

Skills you'll gain: Large Language Modeling, LLM Application, Development Environment, Multimodal Prompts, Tool Calling, Generative AI Agents, User Interface (UI), Generative AI, Human Computer Interaction, Prompt Engineering, Data Visualization, Semantic Web, Software Development Tools, Interactive Data Visualization, Image Analysis, Application Development, Augmented Reality, Artificial Intelligence, Text Mining, Graph Theory
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Responsible AI, Prompt Engineering, Generative AI, AI Product Strategy, Data Ethics, Data Pipelines, Data Modeling, Data Transformation, Data Quality, Database Management, SQL
Beginner · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: Javascript, Cross Platform Development, Web Applications, Node.JS, Web Development, Object Oriented Programming (OOP)
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: SAS (Software), Predictive Modeling, Statistical Modeling, Big Data, Regression Analysis, Data Analysis Software, Advanced Analytics, Feature Engineering, Performance Analysis, Performance Measurement, Statistical Analysis, Data Manipulation, Data Cleansing
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Restful API, API Design, Spring Boot, Authentications, Test Automation, JSON, Application Deployment, Spring Framework, Application Programming Interface (API), Object-Relational Mapping, JUnit, Test Case, Software Quality Assurance, Software Testing, Business Logic, Back-End Web Development, Data Modeling, Software Architecture, Java Programming, Java
Beginner · Specialization · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Object Oriented Design, JUnit, Object Oriented Programming (OOP), Software Design Patterns, Java, Unified Modeling Language, Software Design, Java Programming, Software Architecture, Model View Controller, Conceptual Design
Build toward a degree
Intermediate · Course · 1 - 3 Months

Simplilearn
Skills you'll gain: Reinforcement Learning, Artificial Intelligence, Tensorflow, Artificial Neural Networks, Deep Learning, Machine Learning, Applied Machine Learning, Data Ethics, Supervised Learning, Responsible AI, Unsupervised Learning, Natural Language Processing, Computer Programming
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Presentations, Business Intelligence, Dashboard, Tableau Software, IBM Cognos Analytics, Statistical Analysis, Data Analysis, Looker (Software), Regression Analysis, Data Visualization, PostgreSQL, Microsoft PowerPoint, Pivot Tables And Charts, Data Visualization Software, Data Cleansing, Microsoft Excel, SQL, Data Manipulation, LinkedIn, Data Quality
Advanced · Course · 1 - 3 Months

Skills you'll gain: ASP.NET, Restful API, Object-Relational Mapping, Web Applications, User Accounts, Single Sign-On (SSO), .NET Framework, API Design, Application Programming Interface (API), Database Application, Authentications, Back-End Web Development, Performance Tuning, Authorization (Computing), Data Management, Relational Databases, Identity and Access Management, Model View Controller, Multi-Factor Authentication, Data Security
Intermediate · Course · 1 - 4 Weeks

EDUCBA
Skills you'll gain: Web Applications, Software Installation, Application Development
Beginner · Course · 1 - 4 Weeks