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: Microarchitecture, Computer Architecture, Hardware Architecture, Computer Hardware, Computer Systems, Embedded Systems, Data Storage, Computer Programming, C (Programming Language), C# (Programming Language)
Beginner · Course · 1 - 3 Months

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

Pontificia Universidad Católica de Chile
Skills you'll gain: Transportation Operations, Data Collection, Statistical Modeling, Statistical Methods, Mathematical Modeling, Forecasting, Regression Analysis, Statistical Programming, Surveys, Supply And Demand, Probability
Intermediate · Course · 1 - 3 Months

SkillUp
Skills you'll gain: User Story, Sprint Retrospectives, Scrum (Software Development), Sprint Planning, Backlogs, Project Risk Management, Agile Methodology, Agile Project Management, Team Building, Team Management, Meeting Facilitation, Stakeholder Engagement, Organizational Change, Stakeholder Management, Team Leadership, Agile Software Development, Employee Coaching, Project Management, Risk Management, Communication
Beginner · Specialization · 3 - 6 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

Skills you'll gain: Apache Spark, Data Warehousing, Extract, Transform, Load, IBM DB2, IBM Cognos Analytics, Big Data, Databases, PostgreSQL, Relational Databases, Data Infrastructure, Data Architecture, NoSQL, Data Pipelines, Applied Machine Learning, MongoDB, SQL, MySQL, Data Analysis, Dashboard, Python Programming
Advanced · Course · 1 - 3 Months

LearnKartS
Skills you'll gain: Java Programming, Object Oriented Programming (OOP), Object Oriented Design, Java, Maintainability, Programming Principles, Computer Programming, Application Development, Android Development, Software Design Patterns, Debugging
Beginner · Course · 1 - 4 Weeks

The University of Chicago
Skills you'll gain: Software-Defined Networking, Computer Networking, Virtualization, Network Architecture, General Networking, Network Administration, Network Switches, Network Routing, Network Security, Network Protocols, Hardware Architecture, Application Programming Interface (API)
Mixed · Course · 1 - 3 Months

Skills you'll gain: Rmarkdown, Plot (Graphics), Box Plots, Descriptive Statistics, Scatter Plots, Histogram, Jupyter, Matplotlib, Data Presentation, Ggplot2, Statistical Visualization, Data Manipulation, R (Software), Statistical Hypothesis Testing, Regression Analysis, Correlation Analysis, Data Visualization, Data Analysis, R Programming, Python Programming
Beginner · Specialization · 3 - 6 Months

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

Amazon Web Services
Skills you'll gain: Amazon Web Services, Web Applications, Cloud Services, Amazon Elastic Compute Cloud, Information Technology, Cloud Computing, Public Cloud, IT Infrastructure, Computer Systems, Amazon S3, Web Development, General Networking, Web Servers, Operating Systems, Servers, Virtualization, Data Centers, Hypertext Markup Language (HTML), Data Analysis, Project Management
Beginner · Course · 1 - 4 Weeks

Peking University
Skills you'll gain: Data Structures, Computational Thinking, Graph Theory, Theoretical Computer Science, Programming Principles, Algorithms, Computer Programming, Data Storage, C (Programming Language), C++ (Programming Language)
Mixed · Course · 1 - 3 Months