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 Michigan
Skills you'll gain: Data Ethics, Policy Analysis, Analytical Skills, Case Studies, Data Analysis, Responsible AI, Public Policies, Data Presentation, Data-Driven Decision-Making, Ethical Standards And Conduct, Data Governance, R Programming, Machine Learning, Predictive Modeling
Intermediate · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Google Gemini, Generative AI, Predictive Modeling, Applied Machine Learning, Big Data, Google Cloud Platform, Data Analysis, Exploratory Data Analysis, Artificial Intelligence and Machine Learning (AI/ML), Prompt Engineering, SQL, LLM Application, Data Processing, Responsible AI, Python Programming, Data Cleansing, Customer Relationship Management, Data Visualization Software, Machine Learning, Natural Language Processing
Beginner · Specialization · 1 - 4 Weeks

Skills you'll gain: Eclipse (Software), Data Structures, Video Game Development, Java Programming, Java, Game Design, User Interface (UI), Development Environment, Program Development
Beginner · Guided Project · Less Than 2 Hours

LearnQuest
Skills you'll gain: Stored Procedure, PL/SQL, SQL, Database Management, Data Access, Databases, Database Systems, Java, Java Programming, JUnit
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: LangChain, Generative AI Agents, Development Environment, Agentic systems, Artificial Intelligence, Tool Calling, LLM Application, Database Systems, Database Management, SQL, Database Application, Program Development, Databases, Software Development Tools, Prompt Engineering, OpenAI, Python Programming, Natural Language Processing
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Jenkins, Selenium (Software), GitHub, Git (Version Control System), Performance Testing, Continuous Integration, CI/CD, Apache Maven, Version Control, Test Automation, Browser Compatibility, Test Tools, Object Oriented Programming (OOP), Test Data, Integration Testing, Java Programming, Java, Test Case, Unit Testing, Software Testing
Beginner · Specialization · 3 - 6 Months

Infosec
Skills you'll gain: Authentications, Application Security, Open Web Application Security Project (OWASP), Secure Coding, Serverless Computing, Cryptography, Risk Management Framework, Threat Modeling, Cloud Security, Infrastructure Security, Package and Software Management, Node.JS, Web Applications, Javascript, Vulnerability Management, Cloud Services, Cloud Platforms, Web Development, Identity and Access Management, Vulnerability Assessments
Intermediate · Specialization · 1 - 3 Months

O.P. Jindal Global University
Skills you'll gain: Marketing Analytics, Supervised Learning, Customer Retention, Applied Machine Learning, Predictive Analytics, Marketing, Scikit Learn (Machine Learning Library), Marketing Strategies, Customer Insights, Machine Learning, Predictive Modeling, Python Programming, Regression Analysis, Personalized Service, Artificial Intelligence and Machine Learning (AI/ML), Application Deployment
Beginner · Course · 1 - 3 Months

Google Cloud
Skills you'll gain: Flutter (Software), Cross Platform Development, Mobile Development, User Interface and User Experience (UI/UX) Design, Application Design, Web Design and Development, iOS Development, Android Studio, UI Components
Beginner · Project · Less Than 2 Hours

Skills you'll gain: Exploratory Data Analysis, Feature Engineering, Data Analysis, PySpark, Data Processing, Data Cleansing, Data Transformation, Apache Spark, Data-Driven Decision-Making, Decision Tree Learning, Predictive Modeling, Predictive Analytics, Applied Machine Learning, Application Deployment, Machine Learning
Intermediate · Guided Project · Less Than 2 Hours

Duke University
Skills you'll gain: Flask (Web Framework), Web Applications, Package and Software Management, Web Frameworks, Debugging, Program Development, Development Environment, Python Programming
Beginner · Guided Project · Less Than 2 Hours

Cisco Learning and Certifications
Skills you'll gain: Development Environment, Software Development Tools, Software Development Methodologies, CI/CD, DevOps, IT Automation, Version Control, Continuous Integration, Network Engineering, Network Architecture, Docker (Software), Software Development, Virtual Environment, Git (Version Control System), Waterfall Methodology, Agile Methodology, Software Design
Intermediate · Course · 1 - 4 Weeks