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: Vector Databases, Embeddings, PostgreSQL, Relational Databases, SQL, NoSQL, Node.JS, Data Import/Export, Data Processing, Data Analysis
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Unity Engine, Game Design, Animation and Game Design, Video Game Development, Animations, Scripting, Software Architecture, Augmented and Virtual Reality (AR/VR), Interactive Design, Development Environment, Object Oriented Design, C# (Programming Language), Object Oriented Programming (OOP), UI Components, 3D Assets, Virtual Environment, User Interface (UI), Artificial Intelligence, Software Development Tools, Debugging
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Data Cleansing, SQL, Data Quality, Data Transformation, Big Data, Metadata Management, Query Languages, Google Cloud Platform, Data Analysis, Google Analytics
Beginner · Project · Less Than 2 Hours

Skills you'll gain: jQuery, Ajax, Javascript and jQuery, JSON, Animations, Event-Driven Programming, Debugging, JavaScript Frameworks, UI Components, Application Programming Interface (API), Web Applications, Web Development Tools, Responsive Web Design, Javascript, Interactive Design, HTML and CSS, Game Design, Data Validation, User Interface (UI) Design
Intermediate · Specialization · 3 - 6 Months

O.P. Jindal Global University
Skills you'll gain: Sampling (Statistics), Statistical Analysis, Probability Distribution, Statistical Hypothesis Testing, Descriptive Statistics, Statistical Methods, Correlation Analysis, Regression Analysis, R (Software), R Programming, Statistical Modeling, Statistical Inference, Probability, Big Data, Decision Tree Learning
Build toward a degree
Mixed · Course · 1 - 3 Months

Coursera
Skills you'll gain: Data Visualization Software, Data Visualization, Interactive Data Visualization, Visualization (Computer Graphics), JSON, Data Mapping, Javascript
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Cryptography, Data Security, Encryption, Authorization (Computing), General Data Protection Regulation (GDPR), Secure Coding, Public Key Infrastructure, Authentications, Identity and Access Management, Web Development, Application Security, Web Applications, Multi-Factor Authentication, Security Strategy
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Salesforce, Salesforce Development, Systems Integration, Customer Relationship Management, Customer Relationship Management (CRM) Software, Data Integration, Contract Management, AI Enablement, Responsible AI, Web Services, Business Reporting, Data Ethics, Integration Testing, Artificial Intelligence, Application Programming Interface (API), Software Design Patterns, Security Controls, Customer Data Management, Analytics, Data Security
Advanced · Specialization · 1 - 4 Weeks
CertNexus
Skills you'll gain: Jupyter, Unsupervised Learning, Model Evaluation, Classification Algorithms, Applied Machine Learning, Predictive Modeling, Regression Analysis, Data Preprocessing, Machine Learning, Supervised Learning, Statistical Modeling, Machine Learning Algorithms, Feature Engineering, Performance Tuning
Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: Content Management Systems, Web Content, Web Design, Web Design and Development, No-Code Development, Web Development, User Accounts, Graphic Design
Beginner · Guided Project · Less Than 2 Hours

Google Cloud
Skills you'll gain: Flutter (Software), Cross Platform Development, Mobile Development, Web Applications, UI Components, Package and Software Management, Development Environment, Network Analysis
Beginner · Project · Less Than 2 Hours

Northeastern University
Skills you'll gain: Exploratory Data Analysis, Time Series Analysis and Forecasting, Data Analysis, Data Wrangling, Probability & Statistics, Unsupervised Learning, Text Mining, Data Manipulation, Statistical Analysis, Data Preprocessing, Data Structures, Data Cleansing, Python Programming
Mixed · Course · 1 - 4 Weeks