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.

Northeastern University
Skills you'll gain: Data Warehousing, Data Modeling, Database Design, Extract, Transform, Load, SQL, Star Schema, Business Intelligence, Databases, Relational Databases, Database Architecture and Administration, Data Mart, Data Integrity, Data Analysis, Snowflake Schema, Data-Driven Decision-Making, Data Manipulation, Data Visualization
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Data Storytelling, Data Presentation, Plotly, Matplotlib, Exploratory Data Analysis, Plot (Graphics), Data Visualization, Interactive Data Visualization, Data Visualization Software, Statistical Visualization, Seaborn, Data Analysis, Box Plots, Descriptive Statistics, Jupyter, Data Science, Anomaly Detection, Python Programming, GitHub
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Unsupervised Learning, Predictive Modeling, Supervised Learning, Predictive Analytics, Applied Machine Learning, Random Forest Algorithm, Text Mining, Natural Language Processing, Machine Learning Algorithms, Artificial Intelligence, Computational Logic, Python Programming, Scikit Learn (Machine Learning Library), Data Science, Data Processing, Unstructured Data, Algorithms
Mixed · Course · 1 - 4 Weeks

EDUCBA
Skills you'll gain: Data Lakes, Microsoft Azure, Stored Procedure, Data Architecture, Performance Tuning, Data Management, Query Languages, Data Manipulation, Scripting, SQL, Data Processing, Windows PowerShell, Microsoft Visual Studio, Command-Line Interface, Heat Maps
Intermediate · Course · 1 - 3 Months

Skills you'll gain: SQL, Database Management, Query Languages, Data Analysis, Performance Tuning, Data Manipulation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Exploitation techniques, Penetration Testing, Secure Coding, Web Development, Web Applications, Full-Stack Web Development, Vulnerability Assessments, Application Security, Angular, Ajax, Javascript
Intermediate · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: React Native, Mobile Development, Responsive Web Design, Cross Platform Development, iOS Development, UI Components, Android Development, Application Development, Application Programming Interface (API), Development Environment, Javascript, Data Storage, Data Management, Debugging
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Collaborative Software, Application Programming Interface (API), Restful API, Software Development Tools, Software Documentation, Mockups, Test Tools, Software Versioning, Version Control
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Restful API, Software Design, JSON
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Animations, UI Components, Apple iOS, Swift Programming, User Interface (UI), Interactive Design, Apple Xcode, Mobile Development, Object Oriented Programming (OOP), Programming Principles
Beginner · Course · 3 - 6 Months
Skills you'll gain: Data Import/Export, Alteryx, No-Code Development, Data Visualization, Business Analytics, Data Governance, Workflow Management, Operational Efficiency, Data Cleansing, Data Manipulation, Data Transformation, Data Analysis, Report Writing, Data Integration, Automation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Network Troubleshooting, Network Monitoring, Network Administration, Network Security, Firewall, Ansible, Network Protocols, Software-Defined Networking, Puppet (Configuration Management Tool), Chef (Configuration Management Tool), Real Time Data, Scripting, JSON, Automation, Application Programming Interface (API)
Intermediate · Course · 1 - 4 Weeks