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 Colorado Boulder
Skills you'll gain: Internet Of Things, API Design, Amazon Web Services, Embedded Software, Cloud Computing Architecture, Application Programming Interface (API), Network Protocols, Microservices, Cloud Applications, Cloud Services, Communication Systems, Cloud Platforms, Embedded Systems, Information Systems Security, Telecommunications, Cloud Technologies, Cybersecurity, Software Development, Digital Communications, Wireless Networks
Build toward a degree
Intermediate · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: Claude Code, Vibe coding, Anthropic Claude, Model Context Protocol, Application Development, Program Development, Agentic Workflows, Programming Principles, Generative AI, Automation, Generative AI Agents, Artificial Intelligence and Machine Learning (AI/ML), Agentic systems
Intermediate · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Ggplot2, Scatter Plots, Plot (Graphics), Data Visualization, Data Visualization Software, Heat Maps, R Programming, Graphical Tools, Data Wrangling, Tidyverse (R Package), Graphics Software
Intermediate · Course · 1 - 4 Weeks

UiPath
Skills you'll gain: Robotic Process Automation, Business Process Automation, Automation, Programming Principles
Beginner · Course · 1 - 3 Months

Skills you'll gain: Model Evaluation, Tensorflow, Model Training, Supervised Learning, Model Optimization, Artificial Neural Networks, Regression Analysis, Applied Machine Learning, Statistical Machine Learning, Machine Learning Algorithms, Deep Learning, Image Analysis, Machine Learning, Random Forest Algorithm, AI Workflows, Decision Tree Learning, Natural Language Processing, Scikit Learn (Machine Learning Library), Data Science, Python Programming
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Microservices, Scalability, Software Architecture, CI/CD, Continuous Deployment, API Gateway, Systems Architecture, Containerization, Software Design, Serverless Computing, Application Design, Solution Architecture, Continuous Integration, Docker (Software), Software Design Patterns, Systems Design, Kubernetes, Event-Driven Programming, Application Programming Interface (API), Data Management
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: SQL, SAS (Software), Database Management, Query Languages, Data Access, Database Management Systems, Data Presentation, Data Manipulation, Data Management
Mixed · Course · 1 - 3 Months

Coursera
Skills you'll gain: Generative AI Agents, LangChain, AI Workflows, LLM Application, Agentic systems, Agentic Workflows, Development Environment, Model Evaluation, Artificial Intelligence, AI literacy, Scalability, Performance Tuning, Model Optimization, Design
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Scikit Learn (Machine Learning Library), Predictive Modeling, Tensorflow, Cloud Computing, Statistical Machine Learning, Machine Learning Software, Classification Algorithms, Applied Machine Learning, Machine Learning Methods, Python Programming, Model Training, Data Preprocessing, Data Science, Machine Learning, Model Evaluation, Model Optimization, Scientific Visualization
Intermediate · Guided Project · Less Than 2 Hours

Instituto Tecnológico de Aeronáutica
Skills you'll gain: User Story, Agile Software Development, Backlogs, Agile Methodology, Scrum (Software Development), Sprint Retrospectives, Test Driven Development (TDD), Requirements Analysis, Sprint Planning, Software Development Methodologies, Software Engineering, Program Development, Diagram Design, Software Development
Intermediate · Course · 1 - 4 Weeks

Meta
Skills you'll gain: Restful API, SQL, React Native, Database Management, Databases, Application Programming Interface (API), API Design, Relational Databases, Data Persistence, Mobile Development, Data Storage Technologies, Data Management, Application Development, Authentications
Intermediate · Course · 1 - 3 Months

Duke University
Skills you'll gain: MLOps (Machine Learning Operations), Continuous Delivery, Applied Machine Learning, Cloud Engineering, Google Cloud Platform, Model Deployment, Cloud Applications, Cloud Development, CI/CD, Cloud API, Cloud Deployment, Artificial Intelligence, Machine Learning Methods, Machine Learning, Microsoft Azure, Model Training, Cloud Solutions, Software Engineering, Computer Vision, Application Programming Interface (API)
Intermediate · Course · 1 - 4 Weeks