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: Feature Engineering, Dimensionality Reduction, Data Integration, Exploratory Data Analysis, Data Visualization, Matlab, Data Processing, Descriptive Statistics, Data Cleansing, Data Manipulation, Histogram, Data Transformation, Text Mining, Predictive Modeling, Unstructured Data, Image Analysis, Natural Language Processing
Intermediate · Course · 1 - 3 Months

University of California, Davis
Skills you'll gain: Threat Modeling, Secure Coding, Cryptography, Exploit development, Open Web Application Security Project (OWASP), Encryption, Application Security, Vulnerability Assessments, Data Security, Security Controls, Authentications, Security Testing, Vulnerability Management, Personally Identifiable Information
Intermediate · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: Python Programming, Programming Principles, Data Structures, Computer Programming, Computational Thinking, Web Development Tools, Web Development, Software Engineering
Intermediate · Course · 1 - 4 Weeks

Infosec
Skills you'll gain: Blockchain, Network Security, Application Security, Security Engineering, Infrastructure Security, Cybersecurity, Data Security, Cryptography, Cryptographic Protocols, Secure Coding, Encryption, Vulnerability Assessments, Scalability, Distributed Computing, Data Integrity, Algorithms
Beginner · Course · 1 - 3 Months

Universitat Autònoma de Barcelona
Skills you'll gain: Video Game Development, Computer Graphics, 3D Assets, Microsoft Visual Studio, C++ (Programming Language), Artificial Intelligence, User Interface (UI), Animations, Application Development
Mixed · Course · 1 - 4 Weeks

University of London
Skills you'll gain: C++ (Programming Language), Object Oriented Programming (OOP), Object Oriented Design, Programming Principles, Program Development, Computer Programming, Data Structures, Debugging
Build toward a degree
Intermediate · Course · 1 - 4 Weeks

University of Minnesota
Skills you'll gain: Software Design Patterns, Software Design, Software Quality Assurance, Software Engineering, Application Security, Object Oriented Design, Software Architecture, Software Quality (SQA/SQC), Development Testing, Threat Modeling, Maintainability, Code Review, Software Testing, Continuous Integration, CI/CD, Software Technical Review, Software Documentation, Version Control
Intermediate · Course · 1 - 3 Months

University of Toronto
Skills you'll gain: Algorithms, Computer Vision, Simulations, Scenario Testing, Data Structures, Spatial Data Analysis
Advanced · Course · 1 - 3 Months

Coursera
Skills you'll gain: Stored Procedure, SQL, Data Presentation, Query Languages, Relational Databases, Database Development, Database Administration, Data Science
Advanced · Guided Project · Less Than 2 Hours

Board Infinity
Skills you'll gain: Business Logic, SAP Applications, Unit Testing, Restful API, Application Deployment, Application Design, Business Reporting, Secure Coding, Debugging, Full-Stack Web Development, Application Development, Web Applications, Programming Principles, Object Oriented Programming (OOP), User Interface (UI), Back-End Web Development, Software Architecture, HTML and CSS, Data Entry, UI Components
Intermediate · Specialization · 1 - 3 Months

Universiteit Leiden
Skills you'll gain: Statistical Inference, Statistical Hypothesis Testing, Regression Analysis, R Programming, Data Analysis, Descriptive Statistics, Statistical Methods, Probability & Statistics, Data Ethics, Data Collection, Exploratory Data Analysis, Statistical Modeling, Data Cleansing, Data Security
Beginner · Course · 1 - 3 Months

Skills you'll gain: Data Cleansing, Data Processing, Pandas (Python Package), Applied Machine Learning, Data Import/Export, Classification And Regression Tree (CART), Data Mining, Python Programming, Google Cloud Platform, Scikit Learn (Machine Learning Library), Machine Learning, Supervised Learning, Machine Learning Algorithms
Intermediate · Guided Project · Less Than 2 Hours