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: Exploratory Data Analysis, Tree Maps, Geographic Information Systems, Plotly, Data Analysis, Data Visualization, Interactive Data Visualization, Data Visualization Software, Jupyter, Statistical Analysis, Pandas (Python Package)
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: SQL, PostgreSQL, Query Languages, Database Management Systems, Database Management
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Data Structures, Blockchain, Programming Principles, Data Management, Object Oriented Programming (OOP), Cryptography, Debugging, Application Security
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Web Content Accessibility Guidelines, Usability, Usability Testing, Web Design, Web Development Tools, Test Tools, Web Development, Customer Service
Beginner · Guided Project · Less Than 2 Hours

University of Colorado Boulder
Skills you'll gain: C and C++, Data Sharing, Communication Systems
Advanced · Course · 1 - 3 Months

Skills you'll gain: Extract, Transform, Load, Data Validation, Data Transformation, Applied Machine Learning, Object-Relational Mapping, Data Wrangling, Data Cleansing, Data Manipulation, Data Integration, Web Scraping, Data Quality, Data Pipelines, Pandas (Python Package), Descriptive Statistics, Data Modeling, Data Science, Python Programming, Scikit Learn (Machine Learning Library), Extensible Markup Language (XML), Data Analysis
Beginner · Specialization · 1 - 4 Weeks

Skills you'll gain: Prompt Engineering, Generative AI, Google Gemini, Generative AI Agents, Application Deployment, LLM Application, Multimodal Prompts, Artificial Intelligence and Machine Learning (AI/ML), Large Language Modeling, Google Cloud Platform, Artificial Intelligence, Responsible AI, AI Personalization, Performance Tuning, Application Programming Interface (API), Python Programming, Software Development Tools, Cloud Platforms
Beginner · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Test Automation, Performance Testing, Software Testing, Security Testing, Test Tools, CI/CD, Regression Testing, Functional Testing, Scalability, Automation, Test Case, Application Programming Interface (API), Scripting, Secure Coding
Beginner · Course · 1 - 3 Months

Skills you'll gain: Oracle SQL Developer, Oracle Databases, Database Design, Data Manipulation, SQL, Relational Databases, Database Management, Databases, Data Transformation, Case Studies, Query Languages, Pivot Tables And Charts, Data Analysis, Performance Tuning, Business Intelligence, Analytics
Beginner · Specialization · 1 - 3 Months

University of Pennsylvania
Skills you'll gain: Feature Engineering, Unsupervised Learning, Predictive Modeling, Predictive Analytics, Decision Tree Learning, Classification And Regression Tree (CART), Supervised Learning, Forecasting, Random Forest Algorithm, Scikit Learn (Machine Learning Library), Data Analysis, Regression Analysis, Machine Learning, Python Programming
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: ASP.NET, Web Applications, Web Development, Microservices, Secure Coding, Single Sign-On (SSO), Performance Tuning, Identity and Access Management, Full-Stack Web Development, C# (Programming Language), Application Development, Application Security, Cloud Development, Multi-Factor Authentication, Authentications, Role-Based Access Control (RBAC), Scalability, Application Performance Management, Real Time Data
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Android Development, Unity Engine, Video Game Development, Animation and Game Design, User Interface (UI) Design, Mobile Development, 3D Assets, Graphics Software, Software Installation, Application Deployment, C# (Programming Language)
Beginner · Course · 1 - 3 Months