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.

Packt
Skills you'll gain: Test Driven Development (TDD), C and C++, C++ (Programming Language), Debugging, Maintainability, C (Programming Language), System Programming, Functional Design, Secure Coding, Software Architecture, Cross Platform Development, Memory Management, Interoperability, Performance Tuning, Network Troubleshooting
Beginner · Course · 1 - 3 Months

Skills you'll gain: Test Script Development, API Testing, Test Tools, Performance Stress Testing, Application Performance Management, Scenario Testing, Scripting Languages
Intermediate · Course · 1 - 3 Months

Skills you'll gain: .NET Framework, User Interface (UI), User Interface (UI) Design, UI Components, Dashboard Creation, Animations, Mobile Development, User Interface and User Experience (UI/UX) Design, C# (Programming Language), Cross Platform Development, Role-Based Access Control (RBAC), Application Development, Code Reusability, Extensible Markup Language (XML)
Advanced · Course · 1 - 3 Months

Skills you'll gain: Node.JS, Secure Coding, Application Programming Interface (API), API Design, Authentications, Server Side, MongoDB, Restful API, Full-Stack Web Development, Development Environment, Back-End Web Development, Package and Software Management, Object-Relational Mapping, Database Development, Middleware, JSON, User Accounts, Data Modeling
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Content Performance Analysis, Content Marketing, Content Strategy, Content Optimization, Data-Driven Marketing, Content Development and Management, Marketing Effectiveness, Strategic Prioritization, Business Priorities, Target Audience, Marketing Planning, Content Creation, Prioritization, Persona Development, Performance Measurement, Data-Driven Decision-Making, Content Management, Web Analytics, Business Metrics, Key Performance Indicators (KPIs)
Intermediate · Course · 1 - 4 Weeks

John Wiley & Sons
Skills you'll gain: Database Administration, Disaster Recovery, Database Architecture and Administration, Database Systems, Database Management, Database Management Systems, Operational Databases, Data Maintenance, Relational Databases, Databases, Database Design, Data Management, Business Continuity Planning, Database Software, Database Theory, Transaction Processing, Data Governance, Data Security, SQL, Business Continuity
Intermediate · Specialization · 1 - 3 Months

Real Madrid Graduate School Universidad Europea
Skills you'll gain: Data Visualization, Data Literacy, Statistical Visualization, Technical Communication, Probability & Statistics, Web Scraping, Data Import/Export, JSON, Analysis, Statistical Analysis, Pandas (Python Package), Analytical Skills, Descriptive Statistics, Data Manipulation, Probability, Data Processing, Data Capture, Performance Measurement, Data Cleansing, Application Programming Interface (API)
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Model Evaluation, Keras (Neural Network Library), Technical Documentation, Artificial Neural Networks, PyTorch (Machine Learning Library), Model Training, Deep Learning, Model Optimization, Applied Machine Learning, Network Model, Network Architecture, Supervised Learning
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Unreal Engine, 3D Assets, Grading (Landscape), Virtual Environment, 3D Modeling, Computer Graphics, Architectural Design, Visualization (Computer Graphics), Computer Graphic Techniques, Technical Design, Performance Tuning
Advanced · Course · 1 - 3 Months

Coursera
Skills you'll gain: SQL, Scalability, Data Pipelines, Data Manipulation, Data Integrity, Data Validation, Data Migration, Transaction Processing, Data Transformation, Scripting, Anomaly Detection, Record Keeping, Sampling (Statistics), Cryptography, Reconciliation
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Node.JS, Back-End Web Development, Full-Stack Web Development, API Testing, MongoDB, Payment Processing, Order Management, Application Programming Interface (API), Restful API, Payment Systems, Scheduling, Order Processing, Data Processing, Inventory Management System, Data Validation, Software Development, Database Design, Authorization (Computing), Automation
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Virtual Environment
Intermediate · Course · 1 - 4 Weeks