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.

Northeastern University
Skills you'll gain: Data Governance, Database Management, Database Systems, Databases, NoSQL, SQL, MongoDB, Relational Databases, Big Data, Graph Theory, Data Storage, Apache Hadoop, Data Manipulation
Build toward a degree
Mixed · Course · 1 - 3 Months

Skills you'll gain: Server Side, Restful API, Ajax, Full-Stack Web Development, API Design, Node.JS, Postman API Platform, Web Applications, Application Programming Interface (API), Back-End Web Development, Web Servers, Web Development Tools, API Testing, Web Development, Javascript, Front-End Web Development, JSON, Middleware
Advanced · Course · 1 - 3 Months

Skills you'll gain: Bootstrap (Front-End Framework), Responsive Web Design, Hypertext Markup Language (HTML), Mockups, Web Development, Web Design, Cascading Style Sheets (CSS), Web Development Tools
Intermediate · Guided Project · Less Than 2 Hours

Board Infinity
Skills you'll gain: DeepSeek API, Deepseek, Retrieval-Augmented Generation, Model Deployment, AI Enablement, Make.com, Generative Model Architectures, LLM Application, Cloud Deployment, Embeddings, Software Documentation, Unit Testing, Key Management
Beginner · Course · 1 - 3 Months

Skills you'll gain: Apache Hive, Apache Mahout, NoSQL, Apache Hadoop, Extract, Transform, Load, Big Data, Data Warehousing, Data Pipelines, Cloud Management, Application Deployment, Databases, SQL, Performance Tuning, Data Processing, File Systems, Real Time Data, Query Languages, Database Management, Data Transformation, Scalability
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Agile Methodology, Agile Software Development, Agile Project Management, Kanban Principles, Agile Product Development, Scrum (Software Development), Lean Methodologies, Sprint Retrospectives, Backlogs, Sprint Planning, Continuous Improvement Process, Stakeholder Engagement, Prioritization
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Apple iOS, Swift Programming, Interactive Data Visualization, User Interface (UI), Data Sharing, Application Programming Interface (API), User Interface (UI) Design, Data Modeling, Real Time Data
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Data Mapping, IBM WebSphere MQ, Middleware, Business Process Automation, Process Driven Development, Data Integration, Scenario Testing, File Transfer Protocol (FTP), Test Case, Development Testing, Data Validation, Java Programming, System Configuration, Debugging, File Management
Mixed · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: Application Deployment, Continuous Deployment, Web Development Tools, Continuous Delivery, Release Management, React.js, Vue.JS, Code Review
Beginner · Course · 1 - 4 Weeks

Universidades Anáhuac
Skills you'll gain: Artificial Neural Networks, Keras (Neural Network Library), Deep Learning, Applied Machine Learning, Tensorflow, Convolutional Neural Networks, Recurrent Neural Networks (RNNs), Image Analysis, Computer Vision, Model Evaluation, Python Programming
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Animations, 3D Modeling, 3D Assets, Computer Graphics, Virtual Environment, Visualization (Computer Graphics), Prototyping, User Interface (UI), Linear Algebra, Programming Principles, Simulations, Scripting, Computational Logic, Scripting Languages, Graphical Tools
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Email Automation, People Analytics, Job Analysis, Business Analysis, Grammar, Customer Support, Debugging
Beginner · Course · 1 - 3 Months