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.

Codio
Skills you'll gain: Algorithms, C++ (Programming Language), Data Structures, Theoretical Computer Science, Computer Programming, Programming Principles, Computational Thinking
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Database Design, Relational Databases, Databases, SQL, Big Data, Database Systems, Operational Databases, Data Warehousing, Data Management, Virtual Machines, Data Storage, Virtualization and Virtual Machines, Data Analysis
Beginner · Course · 1 - 3 Months
Skills you'll gain: SAS (Software), Network Analysis, Trend Analysis, Data Manipulation, Data Analysis, Forecasting, Data Quality, Text Mining, Data Visualization Software, Spatial Analysis, Dashboard, Analysis, Analytics, Data Visualization, Time Series Analysis and Forecasting, Business Analytics, Interactive Data Visualization, Data-Driven Decision-Making, Predictive Analytics, Business Reporting
Beginner · Professional Certificate · 3 - 6 Months

Coursera
Skills you'll gain: Simulations, Agentic systems, Network Model, Biology, Programming Principles, Mathematical Modeling, Computer Programming
Intermediate · Guided Project · Less Than 2 Hours

University of Colorado Boulder
Skills you'll gain: Data Mapping, Artificial Intelligence, Automation, Graph Theory, Planning, Algorithms, Simulation and Simulation Software, Mechanics, Real-Time Operating Systems, Computer Programming, Control Systems, Systems Of Measurement, Simulations, Computer Science, Computer Vision, Engineering, Global Positioning Systems, Image Analysis, Linear Algebra, Design
Build toward a degree
Beginner · Specialization · 3 - 6 Months

Unilever
Skills you'll gain: Descriptive Analytics, Supply Chain Management, Supply Chain Systems, Supply Chain Planning, Transportation, Supply Chain, and Logistics, Predictive Analytics, Forecasting, Inventory Management System, Data-Driven Decision-Making, Business Analytics, Advanced Analytics, Analytics, Agile Methodology, SQL, Data Presentation, Data Analysis, Technical Communication, Python Programming
Beginner · Course · 1 - 4 Weeks
University of Illinois Urbana-Champaign
Skills you'll gain: Application Specific Integrated Circuits, Hardware Design, Computer-Aided Design, Electronic Hardware, Systems Design, Electrical and Computer Engineering, Computer Engineering, Semiconductors, Network Routing, Computational Logic, Data Structures, Algorithms, Graph Theory, Linear Algebra, Applied Mathematics, Mathematical Modeling, Calculus
Intermediate · Course · 1 - 3 Months

University of Colorado System
Skills you'll gain: Unity Engine, Video Game Development, C# (Programming Language), Game Design, Object Oriented Programming (OOP), Application Design, Computational Thinking, Software Design, Programming Principles, Application Development
Intermediate · Course · 1 - 4 Weeks

University of California San Diego
Skills you'll gain: Predictive Modeling, Data Manipulation, Predictive Analytics, Big Data, Data Processing, Data Mining, Data Analysis, Data Science, Data-Driven Decision-Making, Unsupervised Learning, Statistical Analysis, Analytics, No-Code Development, Software Installation
Beginner · Course · 1 - 4 Weeks

University of California, Irvine
Skills you'll gain: Core Data (Software), Apple iOS, iOS Development, JSON, Objective-C (Programming Language), OAuth, Authentications, Mobile Development, Single Sign-On (SSO), Secure Coding, Data Store, Cryptographic Protocols, Application Security, Cryptography
Mixed · Course · 1 - 4 Weeks

University of Minnesota
Skills you'll gain: Design Thinking, Process Mapping, Kanban Principles, User Experience Design, Lean Methodologies, Lean Manufacturing, Agile Software Development, Product Development, Lean Six Sigma, Process Improvement, Software Development, Software Development Methodologies, Continuous Improvement Process, Innovation, Prototyping
Beginner · Course · 1 - 4 Weeks

MathWorks
Skills you'll gain: Image Analysis, Image Quality, Matlab, Computer Vision, Spatial Data Analysis, Data Processing, Water Sustainability, Data Manipulation, Exploratory Data Analysis, Histogram, Quantitative Research, Analysis, Data Import/Export, Metadata Management, Algorithms
Beginner · Course · 1 - 4 Weeks