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 California San Diego
Skills you'll gain: Java, Computer Programming, Object Oriented Programming (OOP), Test Case, Pseudocode, Debugging, Algorithms, Program Development, Data Structures
Beginner · Course · 1 - 3 Months

Skills you'll gain: Applied Machine Learning, Jupyter, Data Processing, Predictive Modeling, Machine Learning, Predictive Analytics, Data Manipulation, Data Science, Data Analysis, Python Programming
Intermediate · Guided Project · Less Than 2 Hours

Universidad Nacional Autónoma de México
Skills you'll gain: Extract, Transform, Load, Exploratory Data Analysis, Pandas (Python Package), NumPy, Package and Software Management, Time Series Analysis and Forecasting, Data Visualization Software, Data Science, Jupyter, Python Programming, Data Analysis, Graphing, Matplotlib, Data Import/Export, Data Manipulation, Ubuntu, Scripting, Software Installation, Computational Thinking, Program Development
Beginner · Specialization · 3 - 6 Months

University of Colorado Boulder
Skills you'll gain: Electrical Power, Electrical Engineering, Electrical Systems, Power Electronics, Control Systems, Simulations, Estimation, Mathematical Modeling, Electronics, Matlab, Algorithms, Applied Mathematics
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Selenium (Software), Test Automation, Eclipse (Software), Software Testing, UI Components, Integrated Development Environments, Web Applications, Java Programming, Functional Testing
Beginner · Guided Project · Less Than 2 Hours

Infosec
Skills you'll gain: Blockchain, Network Security, Application Security, Security Engineering, Infrastructure Security, Cybersecurity, Data Security, Cryptography, Cryptographic Protocols, Secure Coding, Encryption, Vulnerability Assessments, Scalability, Distributed Computing, Data Integrity, Algorithms
Beginner · Course · 1 - 3 Months

Skills you'll gain: Mobile Development, Mobile Development Tools, iOS Development, Flutter (Software), Integrated Development Environments, Apple iOS, Android Studio, Application Development, Swift Programming, React Native, Apple Xcode, Application Frameworks, Web Applications, Cross Platform Development, Software Testing, Cloud Hosting, Data Management
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Postman API Platform, OAuth, Application Programming Interface (API), Performance Testing, Security Testing, Software Testing, Restful API, Authentications, Web Development Tools, Application Security
Beginner · Guided Project · Less Than 2 Hours

Coursera
Skills you'll gain: Generative AI, Financial Trading, Market Data, Portfolio Management, Technical Analysis, Prompt Engineering Tools, Market Trend, Real Time Data, Automation, Python Programming, Predictive Modeling, Time Series Analysis and Forecasting, Risk Management
Beginner · Course · 1 - 4 Weeks

Snowflake
Skills you'll gain: Prompt Engineering, Generative AI, LLM Application, Data Engineering, Data Manipulation, Snowflake Schema, Large Language Modeling, Application Deployment, Data Lakes, Data Warehousing, Unstructured Data, Cloud Development, SQL, Natural Language Processing, Data Pipelines, Extract, Transform, Load, Application Development, Artificial Intelligence and Machine Learning (AI/ML), Role-Based Access Control (RBAC), Stored Procedure
Beginner · Professional Certificate · 1 - 3 Months

Skills you'll gain: Cascading Style Sheets (CSS), Hypertext Markup Language (HTML), HTML and CSS, Web Development, Web Applications, Web Design and Development, Web Design, Front-End Web Development
Beginner · Guided Project · Less Than 2 Hours

Scrimba
Skills you'll gain: Prompt Engineering, LangChain, Image Analysis, Responsible AI, OpenAI, LLM Application, Cloud Applications, Multimodal Prompts, Generative AI, Cloud API, Application Deployment, API Gateway, Generative AI Agents, Tool Calling, User Interface (UI), Data Ethics, Application Programming Interface (API), Cloud Computing, Open Source Technology, Software Engineering
Intermediate · Specialization · 3 - 6 Months