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 Virginia
Skills you'll gain: Usability Testing, Agile Product Development, Usability, User Story, Continuous Delivery, Persona Development, Agile Software Development, Sprint Planning, Peer Review, Agile Methodology, Product Testing, Agile Project Management, Team Performance Management, Team Management, Product Improvement, User Interface (UI), Design Thinking, Customer Analysis, Product Development, Persona (User Experience)
★ 4.7 (4.9K) · Beginner · Specialization · 3 - 6 Months

Infosec
Skills you'll gain: MITRE ATT&CK Framework, Threat Detection, Cybersecurity, Network Security, Cyber Security Strategy, System Monitoring, Cyber Operations, Threat Management, Continuous Monitoring, Exploitation techniques, Penetration Testing, Cyber Attacks, Data Persistence, Scripting, IT Automation, Network Monitoring, Persistence, Python Programming, Data Access, Computer Programming
★ 4.5 (558) · Intermediate · Specialization · 3 - 6 Months

Princeton University
Skills you'll gain: Graph Theory, Data Structures, Algorithms, Theoretical Computer Science, Operations Research, Computer Programming, Java Programming, Java
★ 4.9 (2.1K) · Intermediate · Course · 3 - 6 Months

Skills you'll gain: Web Scraping, Package and Software Management, Object Oriented Programming (OOP), Object Oriented Design, Test Driven Development (TDD), Maintainability, Python Programming, Program Development, Virtual Environment, Development Testing, Verification And Validation, Unit Testing, HTML and CSS, Hypertext Markup Language (HTML)
Beginner · Course · 1 - 3 Months

Skills you'll gain: Claude Code, Anthropic Claude, Retrieval-Augmented Generation, LangChain, LLM Application, Prompt Engineering, Tool Calling, AI Orchestration, Embeddings, AI Workflows, Large Language Modeling, AI Integrations, Vector Databases, Agentic Workflows, Application Programming Interface (API), Generative AI Agents, Python Programming, Real Time Data, Context Management, Document Management
Intermediate · Course · 1 - 4 Weeks

University of California San Diego
Skills you'll gain: Apache Hadoop, Big Data, Data Analysis, Apache Spark, Data Science, PySpark, File Systems, Analytics, Data Processing, Software Architecture, Distributed Computing, Data Architecture, Performance Tuning, Data Storage, System Configuration, Python Programming
★ 4 (3.3K) · Mixed · Course · 1 - 3 Months

University of Michigan
Skills you'll gain: React.js, Event-Driven Programming, Authentications, Node.JS, Web Development Tools, Hypertext Markup Language (HTML), Full-Stack Web Development, OAuth, Webpack, Web Content Accessibility Guidelines, Web Applications, Front-End Web Development, Application Design, Javascript, Cascading Style Sheets (CSS), Package and Software Management, JavaScript Frameworks, Web Development, UI Components, Computer Programming
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Data Store, Data Architecture, Apache Hadoop, Extract, Transform, Load, Relational Databases, Big Data, Data Storage, Databases, Operational Databases, Apache Spark, Data Storage Technologies, Data Lakes, Data Warehousing, Data Governance, Data Pipelines, Data Integration, Data Processing, SQL, NoSQL, Data Science
★ 4.7 (3.7K) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Analytics, Business Analytics, Data Analysis, Data-Driven Decision-Making, Big Data, Analytical Skills, Data Analysis Software, Data Visualization, Statistical Programming, Microsoft Excel, Data Visualization Software, Decision Making, Data Collection, Unstructured Data
★ 4.6 (6.2K) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Extract, Transform, Load, Web Scraping, Database Management, Databases, Unit Testing, Data Transformation, Data Access, Data Capture, Package and Software Management, Application Programming Interface (API), Data Integration, Data Wrangling, Integrated Development Environments, Data Pipelines, Maintainability, Python Programming, Programming Principles, Style Guides
★ 4.6 (861) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: User Story, Agile Software Development, Scrum (Software Development), Agile Methodology, Kanban Principles, Backlogs, Sprint Retrospectives, Agile Project Management, Agile Product Development, Workflow Management, Sprint Planning, Team Oriented, Team Building, Team Management, Team Performance Management, Lean Methodologies, Performance Metric, Meeting Facilitation, Performance Measurement
★ 4.8 (2.8K) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: File I/O, Git (Version Control System), Software Development Methodologies, JUnit, Systems Development Life Cycle, Requirements Analysis, Version Control, Application Development, Software Development Life Cycle, Full-Stack Web Development, Test Driven Development (TDD), SQL, Software Development, Restful API, Database Management, Object Oriented Programming (OOP), Decision Intelligence, Digital Transformation, Java Programming, Generative AI
★ 4.3 (629) · Beginner · Professional Certificate · 3 - 6 Months