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.

Skills you'll gain: Data Wrangling, Data Import/Export
Intermediate · Course · 1 - 3 Months

Rice University
Skills you'll gain: Diversity Equity and Inclusion Initiatives, Diversity Training, Human Resource Strategy, Strategic Planning, Employee Retention, Diversity and Inclusion, Human Resources, Workplace inclusivity, Recruitment Strategies, Workforce Development, Organizational Effectiveness, Talent Acquisition, Organizational Change
Intermediate · Course · 1 - 3 Months

Duke University
Skills you'll gain: Matplotlib, Data Visualization, Predictive Modeling, Pandas (Python Package), Data Visualization Software, Predictive Analytics, Regression Analysis, Data Analysis, Data Cleansing, Data Science, Machine Learning Algorithms, Statistical Inference, Statistical Modeling, Probability & Statistics, Classification Algorithms, Python Programming
Intermediate · Course · 1 - 4 Weeks

University of Leeds
Skills you'll gain: Logical Reasoning, Computational Logic, Computational Thinking, Algorithms, Theoretical Computer Science, Artificial Intelligence, Cryptography, Graph Theory
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Responsive Web Design, HTML and CSS, Web Design, Web Design and Development, Cascading Style Sheets (CSS), Front-End Web Development, User Interface (UI), Browser Compatibility, Javascript, Mobile Development, Interactive Design
Intermediate · Guided Project · Less Than 2 Hours

Universidad de Palermo
Skills you'll gain: Relational Databases, SQL, Database Design, Database Management, Databases, Back-End Web Development, Data Modeling, Data Entry, Query Languages, Web Development, Data Access, Data Integrity, Information Technology
Beginner · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: Claude Code, Vibe coding, Anthropic Claude, Model Context Protocol, Application Development, Command-Line Interface, Application Design, Programming Principles, Generative AI, Automation, Generative AI Agents, Image Analysis, Artificial Intelligence and Machine Learning (AI/ML), Agentic systems
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: MySQL Workbench, Data-Driven Decision-Making, Exploratory Data Analysis, MySQL, Business Analytics, Data Analysis, Database Design, SQL, Analytical Skills, Data Presentation, Technical Communication, Relational Databases
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: GitHub, Git (Version Control System), Version Control, Unix Commands, Unix Shell, Software Versioning, Linux Commands, Command-Line Interface, Devops Tools, Collaborative Software, Code Review, Software Configuration Management, Software Development Tools, Secure Coding, File Management, Technical Documentation, Software Documentation
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Ggplot2, Model Evaluation, Data Visualization, Regression Analysis, Predictive Analytics, Predictive Modeling, Data-Driven Decision-Making, Statistical Modeling, R Programming, Descriptive Statistics, Statistical Methods, Exploratory Data Analysis, Statistical Analysis, Data Analysis
Intermediate · Guided Project · Less Than 2 Hours

O.P. Jindal Global University
Skills you'll gain: Marketing Analytics, Anomaly Detection, Digital Marketing, Web Analytics, Digital Advertising, Dimensionality Reduction, Unsupervised Learning, Customer Analysis, Search Engine Marketing, Supervised Learning, Online Advertising, Customer Retention, Text Mining, Predictive Analytics, Search Engine Optimization, Web Analytics and SEO, Google Ads, Customer Insights, Google Analytics, Data Ethics
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Flutter (Software), User Interface (UI) Design, User Interface (UI), JSON, Object Oriented Programming (OOP), Mobile Development, Data Structures, Data Modeling, Debugging
Intermediate · Course · 1 - 4 Weeks