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.

Skills you'll gain: Django (Web Framework), Restful API, Bootstrap (Front-End Framework), Application Deployment, HTML and CSS, Model View Controller, Application Programming Interface (API), Database Management, Web Development, User Accounts, Responsive Web Design, Database Systems, Back-End Web Development, Python Programming
Intermediate · Course · 3 - 6 Months

Skills you'll gain: z/OS, Computer Architecture, Mainframe Computing, System Programming, Computer Programming, Computational Logic, Data Storage, Job Control Language (JCL)
Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: User Story, Jira (Software), Backlogs, Issue Tracking, Sprint Planning, Agile Software Development, Agile Project Management, Project Management
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Test Driven Development (TDD), Unit Testing, Development Testing, Test Case, Software Testing, Python Programming, File Systems
Intermediate · Guided Project · Less Than 2 Hours

University of Pennsylvania
Skills you'll gain: Statistical Machine Learning, Statistical Methods, Python Programming, Supervised Learning, Machine Learning Methods, Machine Learning, Regression Analysis, Statistical Analysis, Classification And Regression Tree (CART), Applied Machine Learning, Machine Learning Algorithms, Data Science, Statistical Inference, Predictive Modeling, Probability & Statistics, Dimensionality Reduction
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Java, Java Programming, Object Oriented Programming (OOP), Object Oriented Design, Data Structures, Computer Programming, Program Development, File Management, Algorithms, Debugging, Problem Solving
Beginner · Course · 1 - 3 Months

Coursera
Skills you'll gain: Web Development Tools, Data Structures, Javascript, Scripting, Scripting Languages, Programming Principles
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Cloud Management, Cloud Storage, File Management, Cloud Computing, Data Storage, Google Cloud Platform, Python Programming
Beginner · Project · Less Than 2 Hours

DeepLearning.AI
Skills you'll gain: LangChain, SQL, LLM Application, Database Systems, Query Languages, Generative AI Agents, Microsoft Azure, Tool Calling, OpenAI, Natural Language Processing, Prompt Engineering
Beginner · Project · Less Than 2 Hours

MathWorks
Skills you'll gain: Computer Vision, Anomaly Detection, Image Analysis, Matlab, Deep Learning, Artificial Neural Networks, Unsupervised Learning, Application Deployment, PyTorch (Machine Learning Library), Data Visualization, Artificial Intelligence and Machine Learning (AI/ML), Machine Learning Methods, Data Synthesis, Performance Tuning, Data Analysis, Classification And Regression Tree (CART), Data Validation, Medical Imaging
Beginner · Specialization · 1 - 3 Months
University of Michigan
Skills you'll gain: SQL, Database Management, Relational Databases, Databases, Database Design, Data Visualization Software, Web Scraping, Object Oriented Programming (OOP), Data Modeling, Python Programming, Web Development, Application Programming Interface (API)
Mixed · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Unsupervised Learning, Unstructured Data, Marketing Analytics, Text Mining, Deep Learning, Machine Learning, JSON, Data Processing, Natural Language Processing, Machine Learning Algorithms, Exploratory Data Analysis, Python Programming
Build toward a degree
Intermediate · Course · 1 - 3 Months