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.

EDHEC Business School
Skills you'll gain: Investment Management, Portfolio Management, Asset Management, Portfolio Risk, Machine Learning, Applied Machine Learning, Financial Market, Financial Modeling, Supervised Learning, Predictive Analytics, Unsupervised Learning, Regression Analysis, Statistical Methods, Jupyter, Computer Science, Dimensionality Reduction
Intermediate · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Apache Maven, Spring Framework, Microservices, Java Platform Enterprise Edition (J2EE), Spring Boot, Java, Java Programming, Back-End Web Development, Software Architecture, Load Balancing, Application Servers, Restful API, Web Applications, Scalability
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Quality Monitoring, Cloud API, Application Programming Interface (API), Web Services, Customer Relationship Management (CRM) Software, Customer Communications Management, Account Management, Business Communication, Data Migration
Intermediate · Course · 1 - 4 Weeks

Infosec
Skills you'll gain: MITRE ATT&CK Framework, Penetration Testing, Brute-force attacks, Cyber Operations, Scripting, Cybersecurity, Vulnerability Assessments, Python Programming, Network Analysis, Automation
Mixed · Course · 1 - 4 Weeks

University of California San Diego
Skills you'll gain: Debugging, Computational Thinking, Digital pedagogy, Education Software and Technology, Programming Principles, Computer Programming, Algorithms, Brainstorming
Beginner · Course · 1 - 3 Months

Skills you'll gain: File I/O, Object Oriented Programming (OOP), Object Oriented Design, Python Programming, Programming Principles, Data Dictionary, Computer Programming, Data Structures, Debugging, Computational Logic, Command-Line Interface, Software Design Patterns, Data Cleansing, Functional Design, Scripting, Operating Systems, Pseudocode, Development Environment, File Management, Computational Thinking
Beginner · Specialization · 3 - 6 Months

Scrimba
Skills you'll gain: React.js, UI Components, Front-End Web Development, Web Content Accessibility Guidelines, User Interface (UI), JavaScript Frameworks, Interaction Design, Web Development Tools, Event-Driven Programming, Web Frameworks, Cascading Style Sheets (CSS), Application Programming Interface (API)
Intermediate · Course · 3 - 6 Months

Skills you'll gain: System Programming, Hardware Architecture, Embedded Systems, Computer Architecture, System Configuration, Debugging, Application Development
Intermediate · Course · 1 - 3 Months
Rice University
Skills you'll gain: Theoretical Computer Science, Computer Programming, Computational Thinking, Programming Principles, Debugging, Algorithms, Python Programming
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Unsupervised Learning, Generative AI, Large Language Modeling, Supervised Learning, Deep Learning, Applied Machine Learning, Artificial Intelligence and Machine Learning (AI/ML), Reinforcement Learning, Predictive Modeling, Machine Learning Algorithms, Artificial Neural Networks, Feature Engineering, Unstructured Data, Model Evaluation, Convolutional Neural Networks, Data Preprocessing, Dimensionality Reduction, Model Deployment
Intermediate · Course · 1 - 3 Months

Skills you'll gain: PyTorch (Machine Learning Library), Model Evaluation, Convolutional Neural Networks, Transfer Learning, Image Analysis, Deep Learning, Python Programming
Intermediate · Guided Project · Less Than 2 Hours

Universidad de Palermo
Skills you'll gain: Eclipse (Software), Java, Java Programming, Object Oriented Programming (OOP), Integrated Development Environments, Data Structures, File I/O, Programming Principles, Algorithms, Computer Programming, Development Environment, Computational Thinking, Debugging, Software Development
Beginner · Course · 1 - 4 Weeks