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.

Duke University
Skills you'll gain: Technical Communication, Cloud Infrastructure, MLOps (Machine Learning Operations), Cloud-Native Computing, CI/CD, Cloud Platforms, Cloud Computing, Application Deployment, Agile Software Development, DevOps, Software Engineering, Infrastructure As A Service (IaaS), Distributed Computing, Microservices, Continuous Delivery, Applied Machine Learning, Extract, Transform, Load, Cloud API, Google Cloud Platform, Machine Learning
Intermediate · Specialization · 3 - 6 Months

University of London
Skills you'll gain: User Accounts, MongoDB, Full-Stack Web Development, JavaScript Frameworks, Command-Line Interface, Web Applications, Web Development, Javascript, Data Access, Data Validation, Query Languages
Mixed · Course · 1 - 3 Months

Duke University
Skills you'll gain: Data Import/Export, Pandas (Python Package), Generative AI, OpenAI, LLM Application, Application Programming Interface (API), Data Manipulation, Data Processing, Jupyter, Database Development, Python Programming, Machine Learning
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Mobile Development, React Native, Responsive Web Design, Browser Compatibility, HTML and CSS, Cross Platform Development, Web Design and Development, Javascript, User Interface (UI) Design, Web Development
Beginner · Course · 1 - 4 Weeks

Cisco Learning and Certifications
Skills you'll gain: Postman API Platform, Restful API, Authentications, Application Programming Interface (API), JSON, Extensible Markup Language (XML), YAML, Network Monitoring, Automation, Network Engineering, Python Programming
Intermediate · Course · 1 - 4 Weeks

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

Skills you'll gain: Supervised Learning, Machine Learning Algorithms, Classification And Regression Tree (CART), Applied Machine Learning, Predictive Modeling, Scikit Learn (Machine Learning Library), Data Processing, Data Cleansing, Machine Learning, Regression Analysis, Data Manipulation, Business Analytics, Feature Engineering, Random Forest Algorithm, Statistical Modeling, Sampling (Statistics), Performance Metric
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Data Collection, Marketing, Marketing Analytics, Google Analytics, Digital Marketing, Application Programming Interface (API), Personally Identifiable Information, Web Analytics, Information Privacy, Data Integration, Analytics, Facebook, Data Analysis, Data-Driven Decision-Making, Advertising
Beginner · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Maternal Health, Advocacy, Training Programs, Health Systems, Health Policy, Primary Care, Education and Training, Community Health, Smart Goals, Intercultural Competence, Sanitation, Crisis Intervention, Epidemiology, Public Health and Disease Prevention, Health Promotion, Community Development, Health Care Administration, Behavioral Health, Public Health, Healthcare Ethics
Beginner · Specialization · 3 - 6 Months

LearnQuest
Skills you'll gain: Java Programming, Java, Object Oriented Programming (OOP), Computer Programming, Object Oriented Design, Development Environment, Programming Principles
Intermediate · Course · 1 - 4 Weeks

EIT Digital
Skills you'll gain: Real-Time Operating Systems, Embedded Systems, Threat Modeling, Systems Architecture, Debugging, Computer Architecture, Hardware Architecture, System Programming, Internet Of Things, Application Security, General Networking, Wireless Networks, Operating Systems, Performance Tuning, Linux, Microsoft Windows
Intermediate · Course · 1 - 3 Months

Vanderbilt University
Skills you'll gain: Generative AI Agents, Agentic systems, LLM Application, Tool Calling, OpenAI, Prompt Engineering, Application Development, Prototyping, Software Documentation, File Management
Beginner · Course · 1 - 3 Months