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.

Coursera
Skills you'll gain: Postman API Platform, Data Validation, Application Programming Interface (API), Restful API, Secure Coding, Verification And Validation, Microservices, Performance Testing, Security Testing, Data Integrity, Authentications
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: PySpark, Data Pipelines, Data Processing, AI Personalization, Dimensionality Reduction, OpenAI, Data Manipulation, Pandas (Python Package), Data Transformation, Unsupervised Learning, Applied Machine Learning, Machine Learning
Intermediate · Guided Project · Less Than 2 Hours

Board Infinity
Skills you'll gain: Vue.JS, Application Deployment, JavaScript Frameworks, Application Design, User Interface (UI), Application Development, Web Analytics and SEO, Android Development, Development Environment, Server Side, Performance Tuning
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Time Series Analysis and Forecasting, SAS (Software), Forecasting, Feature Engineering, Statistical Analysis, Data Analysis, Statistical Methods, Regression Analysis, Data Transformation, Exploratory Data Analysis, Predictive Modeling, Applied Machine Learning, Advanced Analytics, Statistical Modeling, Unsupervised Learning, Bayesian Statistics, Automation, Anomaly Detection, Data Processing, Dimensionality Reduction
Intermediate · Specialization · 3 - 6 Months

Clemson University
Skills you'll gain: MySQL, Database Design, Databases, Relational Databases, Database Management Systems, SQL, Data Modeling, Database Architecture and Administration, Performance Tuning, Transaction Processing, Query Languages, Data Integrity, Data Manipulation
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Large Language Modeling, Text Mining, Semantic Web, Generative AI, PyTorch (Machine Learning Library), Python Programming, Applied Machine Learning, Unsupervised Learning
Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Object Oriented Design, Object Oriented Programming (OOP), Software Design Patterns, Unified Modeling Language, Software Design, Java Programming, Software Architecture, Application Design, User Interface and User Experience (UI/UX) Design, API Design, Data Modeling, Artificial Intelligence
Build toward a degree
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Microservices, .NET Framework, ASP.NET, Microsoft Azure, Object-Relational Mapping, Cloud Storage, API Gateway, Software Architecture, Payment Systems, Authentications, Software Development, C# (Programming Language), Model View Controller, Application Programming Interface (API), Authorization (Computing)
Beginner · Course · 3 - 6 Months

Skills you'll gain: Secure Coding, Application Security, Open Web Application Security Project (OWASP), Security Engineering, Cybersecurity, Security Requirements Analysis, Security Testing, Vulnerability Assessments, Code Review, Software Design, Encryption, Vulnerability Management, Data Security, Cryptography, Continuous Monitoring, Authentications, Development Testing, System Monitoring, Authorization (Computing)
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Real Time Data, Application Development, .NET Framework, Performance Tuning, Secure Coding, C# (Programming Language), System Programming, Application Performance Management, Microsoft Visual Studio, Object Oriented Programming (OOP)
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Exploratory Data Analysis, Tree Maps, Geographic Information Systems, Plotly, Data Analysis, Data Visualization, Interactive Data Visualization, Data Visualization Software, Jupyter, Statistical Analysis, Pandas (Python Package)
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: SQL, PostgreSQL, Query Languages, Database Management Systems, Database Management
Intermediate · Guided Project · Less Than 2 Hours