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.

University of Colorado System
Skills you'll gain: Distributed Denial-Of-Service (DDoS) Attacks, Intrusion Detection and Prevention, Role-Based Access Control (RBAC), AWS Identity and Access Management (IAM), Amazon Web Services, Amazon Elastic Compute Cloud, Cloud Computing, Malware Protection, Cloud Security, Load Balancing, Security Engineering, User Accounts, Authorization (Computing), Network Security, Identity and Access Management, Threat Detection, Threat Modeling, Information Systems Security, Cybersecurity, Geographic Information Systems
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Feature Engineering, Data Ethics, Exploratory Data Analysis, Unsupervised Learning, Data Presentation, Tensorflow, Application Deployment, Dimensionality Reduction, MLOps (Machine Learning Operations), Probability Distribution, Apache Spark, Statistical Hypothesis Testing, Supervised Learning, Data Visualization Software, Data Pipelines, Design Thinking, Unit Testing, Data Science, Machine Learning, Python Programming
Advanced · Specialization · 3 - 6 Months

Arizona State University
Skills you'll gain: Integrated Development Environments, Development Environment, Python Programming, Programming Principles, Scripting, Software Engineering, Computer Programming, Computer Engineering
Beginner · Course · 1 - 3 Months

University of Colorado System
Skills you'll gain: Data Warehousing, Database Design, Data Integration, Extract, Transform, Load, Data Modeling, Star Schema, Relational Databases, Snowflake Schema, Data Architecture, Business Intelligence, SQL, Pivot Tables And Charts, Data Mart, PostgreSQL, Data Transformation, Data Quality
Mixed · Course · 1 - 3 Months

University of Pennsylvania
Skills you'll gain: Agentic systems, Artificial Intelligence, Algorithms, Python Programming, Theoretical Computer Science, Computer Programming
Intermediate · Course · 1 - 4 Weeks

University of Pennsylvania
Skills you'll gain: Java Programming, Eclipse (Software), Java, Debugging, Integrated Development Environments, Object Oriented Programming (OOP), Data Structures, File Management, Development Environment, Software Design, Programming Principles, Problem Solving
Beginner · Course · 1 - 4 Weeks

Epic Games
Skills you'll gain: Unreal Engine, Game Design, Video Game Development, Animation and Game Design, Ideation, 3D Modeling, Visualization (Computer Graphics), Software Documentation, Software Design Documents, 3D Assets, User Experience Design, Computer Graphics, Usability, User Interface (UI), User Experience, User Interface (UI) Design, Interactive Design, Virtual Environment, Version Control, Prototyping
Beginner · Professional Certificate · 3 - 6 Months

Skills you'll gain: LangGraph, Generative AI Agents, Agentic systems, LangChain, LLM Application, Responsible AI, Generative AI, Artificial Intelligence and Machine Learning (AI/ML), Collaborative Software, System Design and Implementation, Software Development, Python Programming, Real Time Data, Data Science
Intermediate · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Tidyverse (R Package), Ggplot2, Data Wrangling, Exploratory Data Analysis, Plot (Graphics), R Programming, Data Import/Export, Predictive Modeling, Data Visualization, Data Visualization Software, Statistical Hypothesis Testing, Data Analysis, Data Manipulation, Data Modeling, Regression Analysis, Web Scraping, Data Presentation, Data Science, R (Software), Data Analysis Software
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Object Oriented Programming (OOP), Java, Java Programming, Software Design, Software Testing, Application Development
Intermediate · Guided Project · Less Than 2 Hours

Epic Games
Skills you'll gain: Unreal Engine, Game Design, Data Management, Blueprinting, Video Game Development, Scripting, UI Components, Event-Driven Programming, C++ (Programming Language), Object Oriented Programming (OOP), Debugging
Beginner · Course · 1 - 4 Weeks
Skills you'll gain: Performance Tuning, Django (Web Framework), Authentications, PostgreSQL, Object-Relational Mapping, Model View Controller, Cloud Hosting, User Accounts, Application Security, Configuration Management, Python Programming
Advanced · Course · 1 - 4 Weeks