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.

Board Infinity
Skills you'll gain: React Native, Mobile Development, Responsive Web Design, Docker (Software), Azure DevOps, Restful API, Cross Platform Development, Microservices, Containerization, User Interface and User Experience (UI/UX) Design, DevOps, UI Components, ASP.NET, CI/CD, .NET Framework, Unit Testing, Software Testing, Application Development, Authentications, Version Control
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Selenium (Software), Java Programming, Java, Object Oriented Programming (OOP), Object Oriented Design, Eclipse (Software), Test Tools, File Management, Cascading Style Sheets (CSS), Test Automation, Computer Programming, Development Environment, Integrated Development Environments, Software Testing, Test Script Development, Web Scraping, Data Validation, Test Case, Web Development Tools, Data Structures
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Multimodal Prompts, LLM Application, Generative Model Architectures, OpenAI API, Application Development, Prompt Engineering, Web Applications, Flask (Web Framework), Web Development, Software Development
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Java, Java Programming, Algorithms, Computational Thinking, Programming Principles, Object Oriented Programming (OOP), Computer Programming, Functional Design, Development Environment
Beginner · Guided Project · Less Than 2 Hours

Universidad Nacional de Colombia
Skills you'll gain: Programming Principles, Debugging, Computational Thinking, Computer Programming, Algorithms, Program Development, Computational Logic, Python Programming, Integrated Development Environments, Development Environment, Software Testing
Beginner · Course · 1 - 3 Months

Skills you'll gain: Sampling (Statistics), Statistical Methods, Descriptive Statistics, Statistical Visualization, Data Import/Export, Pareto Chart, Histogram, Statistical Analysis, R (Software), Box Plots, R Programming, Data Synthesis, Probability Distribution, Probability & Statistics, Exploratory Data Analysis, Statistics, Statistical Hypothesis Testing, Data Science
Beginner · Guided Project · Less Than 2 Hours
Skills you'll gain: File Systems, Operating Systems, Unix, Data Integrity, Debugging, File I/O, Linux, Distributed Computing, Data Storage, C (Programming Language), System Programming, Command-Line Interface, Data Security, Computer Hardware, Scalability
Intermediate · Course · 1 - 3 Months

Skills you'll gain: File I/O, Object Oriented Programming (OOP), Debugging, JSON, Program Development, Data Structures, Code Review, Python Programming, Microsoft Visual Studio, Development Environment, Scripting, Maintainability, Integrated Development Environments, Package and Software Management, Authorization (Computing), Programming Principles, Computer Programming, Web Scraping, Application Programming Interface (API), Scalability
Beginner · Specialization · 3 - 6 Months

Duke University
Skills you'll gain: Web Scraping, Data Ethics, Data Transformation, Tidyverse (R Package), Data Wrangling, Data Cleansing, Data Manipulation, Data Collection, Data Pipelines, Data Preprocessing, Personally Identifiable Information, Data Integrity, R Programming, Exploratory Data Analysis, Information Privacy, Statistical Programming
Beginner · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Spring Framework, Object-Relational Mapping, Transaction Processing, Data Persistence, Database Systems, Java, Restful API, Web Services, Web Applications
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Excel Macros, Visual Basic (Programming Language), Data Structures, Scripting, Programming Principles, Automation, Scripting Languages, Microsoft Development Tools, Computational Logic
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Apache Spark, PySpark, Applied Machine Learning, Big Data, Machine Learning Methods, Data Storage Technologies, Data Preprocessing, Data Storage, Machine Learning Algorithms, Machine Learning, Distributed Computing, Data Processing, Data Science, Statistical Methods, Model Evaluation, Descriptive Statistics
Intermediate · Course · 1 - 4 Weeks