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.

Infosec
Skills you'll gain: Open Web Application Security Project (OWASP), Secure Coding, Application Security, Web Applications, Javascript, Web Development, Node.JS, Web Servers, Hypertext Markup Language (HTML), Java Programming
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Flask (Web Framework), Application Deployment, Web Applications, Hypertext Markup Language (HTML), Application Development, Web Development, HTML and CSS, Python Programming
Beginner · Guided Project · Less Than 2 Hours

University of Colorado System
Skills you'll gain: Natural Language Processing, Text Mining, Clinical Informatics, Clinical Documentation, R Programming, Google Cloud Platform, Health Informatics, Unstructured Data, Data Processing
Intermediate · Course · 1 - 3 Months

Duke University
Skills you'll gain: Java, Computer Programming, Debugging, Data Manipulation, Statistical Analysis, Data Analysis, Object Oriented Programming (OOP), Program Development, Algorithms, Data Import/Export, Integrated Development Environments, Software Design
Beginner · Course · 1 - 3 Months

Skills you'll gain: Cloud Applications, Serverless Computing, Cloud Development, Cloud API, Cloud Services, Cloud Security, Application Deployment, Identity and Access Management, Operational Databases, Event-Driven Programming, Performance Tuning, Scalability
Intermediate · Course · 1 - 3 Months
Duke University
Skills you'll gain: Responsible AI, Large Language Modeling, Decision Tree Learning, Data Ethics, Regression Analysis, Predictive Modeling, Artificial Intelligence, Machine Learning, Statistical Modeling, Python Programming, Artificial Intelligence and Machine Learning (AI/ML), Deep Learning, Artificial Neural Networks
Intermediate · Course · 1 - 4 Weeks
Skills you'll gain: Django (Web Framework), Application Programming Interface (API), Application Frameworks, Web Development, Python Programming, Computer Programming, GitHub, Development Environment, Version Control
Advanced · Course · 1 - 4 Weeks

Fudan University
Skills you'll gain: Unity Engine, Game Design, Video Game Development, 3D Assets, Mobile Development, Intellectual Property, Application Deployment, Android (Operating System), User Interface (UI), C# (Programming Language), Conceptual Design, Back-End Web Development, Cloud Development, System Design and Implementation, Prototyping, Animations, Computer Graphics, Company, Product, and Service Knowledge, Product Development, Performance Tuning
Beginner · Specialization · 3 - 6 Months

Infosec
Skills you'll gain: Secure Coding, Application Security, Computer Programming Tools, C++ (Programming Language), Software Development Tools, Programming Principles, C (Programming Language), Debugging
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: LangChain, LLM Application, Large Language Modeling, Generative AI, Tool Calling, ChatGPT, Generative AI Agents, Responsible AI, OpenAI, Prompt Engineering, PyTorch (Machine Learning Library), Tensorflow, Semantic Web, Natural Language Processing, Artificial Intelligence, Application Development, Analytical Skills, Application Programming Interface (API), Supervised Learning, Computer Programming Tools
Beginner · Specialization · 1 - 3 Months

The Chinese University of Hong Kong
Skills you'll gain: Operations Research, Computational Logic, Advanced Mathematics, Combinatorics, Algorithms, Applied Mathematics, Graph Theory, Mathematical Modeling, Mathematical Software, Computational Thinking, Programming Principles, Theoretical Computer Science, Program Development, Performance Tuning, Linear Algebra
Intermediate · Course · 1 - 4 Weeks

Universidade de São Paulo
Skills you'll gain: Network Analysis, Social Network Analysis, Data Visualization, Scientific Visualization, Graph Theory, Exploratory Data Analysis, Environmental Science, Data Analysis, R Programming, Data Science, Mathematical Modeling
Beginner · Course · 1 - 4 Weeks