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 Michigan
Skills you'll gain: Data Visualization, Surveys, Tidyverse (R Package), Data Analysis, Demography, Public Administration, Policy Analysis, Public Policies, R Programming, Statistical Programming, Data Transformation, Data Cleansing, Data Manipulation
Intermediate · Course · 1 - 3 Months

The Chinese University of Hong Kong
Skills you'll gain: Operations Research, Applied Mathematics, Mathematical Modeling, Problem Solving, Combinatorics, Graph Theory, Decision Support Systems, Computational Thinking, Data Modeling
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Hypertext Markup Language (HTML), HTML and CSS, Web Development, Web Development Tools, Cascading Style Sheets (CSS), Front-End Web Development, Web Design, Javascript, Interactive Design, Web Applications, Full-Stack Web Development, Back-End Web Development
Beginner · Course · 1 - 3 Months

Skills you'll gain: Data Collection, Marketing, Marketing Analytics, Google Analytics, Digital Marketing, Application Programming Interface (API), Personally Identifiable Information, Web Analytics, Information Privacy, Data Integration, Analytics, Facebook, Data Analysis, Data-Driven Decision-Making, Advertising
Beginner · Course · 1 - 4 Weeks

Universidade de São Paulo
Skills you'll gain: Model View Controller, Unified Modeling Language, Object Oriented Programming (OOP), Software Design Patterns, Software Design, Java Programming, Computer Programming, Debugging, Software Architecture, Programming Principles, Other Programming Languages, Prototyping
Intermediate · Course · 1 - 3 Months

KodeKloud
Skills you'll gain: Jenkins, Terraform, Infrastructure as Code (IaC), Linux Administration, Kubernetes, Docker (Software), CI/CD, Version Control, Ansible, Continuous Integration, Microservices, Devops Tools, GitHub, Containerization, Operating System Administration, Git (Version Control System), General Networking, Systems Administration, DevOps, Python Programming
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Matplotlib, Data Visualization, Seaborn, Exploratory Data Analysis, NumPy, Data Analysis, Jupyter, Data Science, Machine Learning, Python Programming, Supervised Learning, Algorithms
Beginner · Guided Project · Less Than 2 Hours

Johns Hopkins University
Skills you'll gain: Javascript, Ajax, JSON, Web Applications, Web Development, Scripting, Hypertext Markup Language (HTML), Object Oriented Programming (OOP), Event-Driven Programming, Web Services, Prototyping, Network Protocols
Mixed · Course · 1 - 4 Weeks

University of California San Diego
Skills you'll gain: Growth Mindedness, Technical Communication, Willingness To Learn, Adaptability, Algorithms, Overcoming Obstacles, Software Engineering, Verbal Communication Skills, Interpersonal Communications, Communication, Problem Solving, Self-Awareness, Complex Problem Solving
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Microsoft Copilot, Anthropic Claude, Web Applications, Tool Calling, GitHub, Web Development, Real Time Data, Debugging, Artificial Intelligence and Machine Learning (AI/ML), API Gateway, Servers, Prompt Engineering, Agentic systems, Video Game Development, Middleware, LLM Application, Prompt Patterns, Generative AI, Artificial Intelligence, Software Engineering
Beginner · Specialization · 3 - 6 Months

University of Alberta
Skills you'll gain: Service Oriented Architecture, API Design, Web Services, Simple Object Access Protocol (SOAP), Microservices, Restful API, Software Architecture, Application Programming Interface (API), Web Applications, JSON, Android Development
Intermediate · Course · 1 - 4 Weeks

Imperial College London
Skills you'll gain: Programming Principles, Program Development, Microsoft Visual Studio, Computer Programming, Integrated Development Environments, Python Programming, Debugging, Development Environment, Data Structures
Beginner · Course · 1 - 4 Weeks