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.

Duke University
Skills you'll gain: Statistical Inference, Statistical Hypothesis Testing, Statistical Reporting, Statistical Analysis, Statistics, Data Analysis, Probability & Statistics, Statistical Methods, Data Analysis Software, Statistical Software, R Programming, Sampling (Statistics), Probability Distribution
Beginner · Course · 1 - 3 Months

Skills you'll gain: Cascading Style Sheets (CSS), Hypertext Markup Language (HTML), Color Theory, Javascript, Front-End Web Development, User Interface (UI) Design, Web Development, Data Validation
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Angular, Web Development Tools, Frontend Performance, TypeScript, Server Side, Web Development, Build Tools
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Web Applications, Application Development, Web Development, JavaScript Frameworks, OAuth, UI Components, Front-End Web Development, Authentications, React.js, Development Environment, Software Installation, Cascading Style Sheets (CSS)
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Unreal Engine, 3D Assets, 3D Modeling, Cinematography, Virtual Environment, Computer Graphics, Animations, Augmented and Virtual Reality (AR/VR), Visualization (Computer Graphics), Game Design, Video Production, Animation and Game Design, Computer Graphic Techniques, User Interface (UI), Scalability, Color Theory, Simulations, Performance Tuning, Design
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Unsupervised Learning, Machine Learning Algorithms, Applied Machine Learning, Machine Learning, Scikit Learn (Machine Learning Library), Statistical Methods, Dimensionality Reduction, Algorithms, NumPy, Python Programming
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Microsoft Azure, Event-Driven Programming, Cloud Computing Architecture, Application Design, Application Programming Interface (API), Cloud Deployment, Solution Architecture, Microservices, Cloud Computing, Software Architecture, Virtual Machines, Cloud Infrastructure, Enterprise Architecture, Serverless Computing, Network Architecture, Hybrid Cloud Computing, Virtual Networking, Data Migration, Containerization
Advanced · Course · 1 - 3 Months

Skills you'll gain: Extract, Transform, Load, Data Transformation, Data Integration, Web Scraping, Data Pipelines, JSON, Object Oriented Programming (OOP), Extensible Markup Language (XML), Data Modeling, Application Programming Interface (API), Relational Databases
Beginner · Course · 1 - 4 Weeks

Pearson
Skills you'll gain: PySpark, Apache Hadoop, Apache Spark, Big Data, Apache Hive, Data Lakes, Analytics, Data Processing, Data Import/Export, Data Integration, Linux Commands, File Systems, Text Mining, Data Transformation, Data Management, Distributed Computing, Command-Line Interface, Relational Databases, Java, C++ (Programming Language)
Intermediate · Specialization · 1 - 4 Weeks

Simplilearn
Skills you'll gain: Distributed Denial-Of-Service (DDoS) Attacks, Cybersecurity, Cyber Attacks, Threat Detection, Exploitation techniques, Threat Modeling, Malware Protection, Security Awareness, SQL, Databases
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Rmarkdown, Knitr, Exploratory Data Analysis, Dimensionality Reduction, Ggplot2, Plotly, Data Visualization, Data Visualization Software, Statistical Visualization, Data Storytelling, Statistical Analysis, Generative AI, R Programming, Correlation Analysis, Data Analysis, Tidyverse (R Package), Scatter Plots, Descriptive Statistics, Data Cleansing, Data Preprocessing
Beginner · Course · 1 - 3 Months

Skills you'll gain: Cucumber (Software), Selenium (Software), Apache Maven, Java, Object Oriented Programming (OOP), Issue Tracking, Gherkin (Scripting Language), Test Automation, Behavior-Driven Development, Test Execution Engine, Test Case, Debugging, Integration Testing, Data Structures
Intermediate · Course · 1 - 3 Months