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.

Multiple educators
Skills you'll gain: Dashboard Creation, Dashboard, Web Scraping, Pseudocode, Jupyter, Algorithms, Data Literacy, Data Mining, Data Analysis, R (Software), Correlation Analysis, Pandas (Python Package), NumPy, Data Import/Export, Predictive Modeling, Python Programming, Machine Learning Algorithms, Data Science, Machine Learning, Project Management
★ 4.6 (118K) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Threat Modeling, Network Security, Threat Management, Vulnerability Management, Intrusion Detection and Prevention, Hardening, Computer Security Incident Management, Security Management, Cyber Threat Intelligence, Cyber Attacks, Security Awareness, Incident Response, Cybersecurity, Network Protocols, Bash (Scripting Language), Debugging, Linux, Web Presence, Python Programming, SQL
★ 4.8 (69K) · Beginner · Professional Certificate · 3 - 6 Months

IBM
Skills you'll gain: Prompt Engineering, Prompt Patterns, Unit Testing, Software Development Life Cycle, Retrieval-Augmented Generation, Large Language Modeling, Software Architecture, Responsible AI, Computer Vision, LangChain, Generative AI, Javascript, IBM Cloud, Data Ethics, Data Import/Export, AI Workflows, Python Programming, Software Development, Machine Learning, Data Science
★ 4.7 (83K) · Beginner · Professional Certificate · 3 - 6 Months
Skills you'll gain: IT Security Architecture, Computer Networking, Operating System Administration, Package and Software Management, Network Troubleshooting, Version Control, IT Automation, Systems Administration, IT Infrastructure, Network Administration, Information Systems Security, TCP/IP, Git (Version Control System), Chef (Configuration Management Tool), Network Security, General Networking, Ruby (Programming Language), Desktop Support, Web Presence, Interviewing Skills
★ 4.8 (215K) · Beginner · Professional Certificate · 3 - 6 Months

Skills you'll gain: Dashboard Creation, Dashboard, Web Scraping, SQL, Descriptive Statistics, Data Visualization, Statistical Analysis, Jupyter, Data Presentation, Data Analysis, Probability Distribution, R (Software), Statistics, Data Science, Database Management, Relational Databases, R Programming, Data Import/Export, Python Programming, NumPy
★ 4.6 (75K) · Beginner · Specialization · 3 - 6 Months

IBM
Skills you'll gain: Data Storytelling, Dashboard Creation, Dashboard, Data Presentation, Plotly, Data Visualization Software, Web Scraping, Data Visualization, Exploratory Data Analysis, Data Wrangling, SQL, Plot (Graphics), IBM Cognos Analytics, Data Analysis, Professional Networking, Analytics, Excel Formulas, Data Import/Export, Python Programming, Microsoft Excel
★ 4.6 (100K) · Beginner · Professional Certificate · 3 - 6 Months
Skills you'll gain: Data Storytelling, Rmarkdown, Data Visualization, Data Presentation, Data Ethics, Data Cleansing, Interactive Data Visualization, Data Validation, Ggplot2, R (Software), Sampling (Statistics), Spreadsheet Software, Data Analysis, Stakeholder Communications, LinkedIn, Object Oriented Programming (OOP), File Management, Web Presence, Data Structures, Interviewing Skills
★ 4.8 (182K) · Beginner · Professional Certificate · 3 - 6 Months
Skills you'll gain: Quality Management, Project Closure, Scope Management, Team Management, Project Management Life Cycle, Product Quality (QA/QC), Sprint Retrospectives, Project Management, Project Planning, Agile Project Management, Quality Assessment, Quality Assurance, Backlogs, Team Leadership, Project Scoping, Agile Software Development, Stakeholder Communications, Change Management, Web Presence, Interviewing Skills
★ 4.8 (145K) · Beginner · Professional Certificate · 3 - 6 Months

Skills you'll gain: Unit Testing, Software Development Life Cycle, Linux Commands, Software Architecture, Bash (Scripting Language), Shell Script, Git (Version Control System), GitHub, Full-Stack Web Development, Flask (Web Framework), Software Design, Version Control, File Management, Unix Shell, Web Development, Linux, Application Deployment, Data Import/Export, Python Programming, NumPy
★ 4.6 (52K) · Beginner · Specialization · 3 - 6 Months
Johns Hopkins University
Skills you'll gain: Shiny (R Package), Rmarkdown, Exploratory Data Analysis, Model Evaluation, R (Software), Regression Analysis, Leaflet (Software), Version Control, Statistical Analysis, R Programming, Data Manipulation, Data Cleansing, Data Science, Statistical Inference, Predictive Modeling, Statistical Hypothesis Testing, Data Wrangling, Data Visualization, Machine Learning, GitHub
★ 4.5 (51K) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Extract, Transform, Load, Web Scraping, Database Design, SQL, IBM DB2, Database Management, Data Store, Data Architecture, Relational Databases, Database Systems, Apache Hadoop, Databases, Big Data, Unit Testing, Database Development, Data Storage, Operational Databases, Data Import/Export, Python Programming, NumPy
★ 4.6 (60K) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Email Security, Cloud Infrastructure, Cloud Platforms, Cloud Computing, Generative AI, Cloud Computing Architecture, Generative AI Agents, Cloud Services, Cloud Development, Cybersecurity, Hardening, Data Storage, Peripheral Devices, Virtualization, Computer Hardware, OSI Models, General Networking, Database Administration, Programming Principles, Computer Programming
★ 4.7 (12K) · Beginner · Specialization · 3 - 6 Months