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 Cape Town
Skills you'll gain: Descriptive Statistics, Data Literacy, Plot (Graphics), Statistical Analysis, Statistical Visualization, Statistical Programming, Biostatistics, Statistical Hypothesis Testing, Quantitative Research, Deep Learning, Regression Analysis, Data Manipulation, Machine Learning
Beginner · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Rmarkdown, Tidyverse (R Package), Ggplot2, Spatial Data Analysis, Data Visualization Software, Statistical Visualization, Geospatial Information and Technology, Data Manipulation, Scatter Plots, Plotly, Interactive Data Visualization, R Programming, Data Mapping, Animations
Mixed · Course · 1 - 4 Weeks

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

Icahn School of Medicine at Mount Sinai
Skills you'll gain: Matlab, Mathematical Modeling, Differential Equations, Computational Logic, Applied Mathematics, Simulations, Statistical Modeling, Biochemistry, Biology, Probability, Cell Biology, Physiology, Electrical Systems
Mixed · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: OSI Models, Network Security, TCP/IP, Network Architecture, Network Protocols, General Networking, Network Routers, Routing Protocols, Public Key Infrastructure, Network Model, Cryptography, Web Applications
Build toward a degree
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Unsupervised Learning, Generative AI, Large Language Modeling, Supervised Learning, Deep Learning, Applied Machine Learning, Artificial Intelligence and Machine Learning (AI/ML), Reinforcement Learning, Predictive Modeling, Machine Learning Algorithms, Artificial Neural Networks, Feature Engineering, Unstructured Data, Model Evaluation, Convolutional Neural Networks, Data Preprocessing, Dimensionality Reduction, Model Deployment
Intermediate · Course · 1 - 3 Months
University of Michigan
Skills you'll gain: PostgreSQL, JSON, Text Mining, Database Systems, SQL, Databases, Natural Language Processing, Database Management, Data Processing, Application Programming Interface (API), Data Storage, Python Programming
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Javascript, JSON, Web Applications, Computer Programming, Application Design, Scripting Languages, Hypertext Markup Language (HTML), Cascading Style Sheets (CSS), Prototyping, Context Management
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Apple iOS, Swift Programming, Apple Xcode, Responsive Web Design, Mobile Development, Unit Testing, User Interface (UI), Application Development, UI Components, Debugging, Storyboarding
Intermediate · Course · 1 - 3 Months

University of Pennsylvania
Skills you'll gain: Statistical Machine Learning, Data Preprocessing, Model Evaluation, PyTorch (Machine Learning Library), Statistical Methods, Probability, Probability & Statistics, Sampling (Statistics), Logistic Regression, Deep Learning, Probability Distribution, Supervised Learning, Statistics, Machine Learning Methods, Machine Learning, Agentic systems, Artificial Intelligence, Artificial Neural Networks, Algorithms, Python Programming
Intermediate · Specialization · 3 - 6 Months

Coursera
Skills you'll gain: Code Review, Debugging, Scripting, Python Programming, Programming Principles, Software Development
Intermediate · Guided Project · Less Than 2 Hours

University of California San Diego
Skills you'll gain: Java Programming, Java, Pedagogy, Debugging, Program Development, Object Oriented Programming (OOP), Computer Programming, Computational Thinking, Cultural Responsiveness, Digital pedagogy, Algorithms
Beginner · Course · 1 - 3 Months