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: Snowflake Schema, Data Pipelines, Apache Airflow, Data Security, Data Governance, Data Architecture, Extract, Transform, Load, Apache Kafka, Performance Tuning, PySpark, Data Warehousing, Data Import/Export, Amazon S3, Amazon Web Services, Real Time Data, Data Processing, SQL, Stored Procedure, Role-Based Access Control (RBAC)
Intermediate · Course · 3 - 6 Months

Northeastern University
Skills you'll gain: Java, Object Oriented Programming (OOP), Data Structures, Java Programming, Object Oriented Design, Event-Driven Programming, Computer Programming, Application Design, Programming Principles, Application Development, File I/O, User Interface (UI), User Interface (UI) Design, Development Environment, Software Development
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Time Series Analysis and Forecasting, Applied Machine Learning, Financial Forecasting, Statistical Machine Learning, Statistical Analysis, Machine Learning, Trend Analysis, Financial Data, Financial Modeling, Model Evaluation, Forecasting, Jupyter, Predictive Modeling, Regression Analysis, Finance, GitHub, Statistical Modeling, Data Transformation
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Flask (Web Framework), Web Applications, Web Development, Application Development, Web Design and Development, HTML and CSS, Hypertext Markup Language (HTML), Application Design, Cascading Style Sheets (CSS), Application Frameworks, Database Application, Databases, Python Programming
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Relational Databases, SQL, Microsoft SQL Servers, Databases, Database Systems, Business Intelligence, Transact-SQL, Business Reporting, Data Access
Intermediate · Guided Project · Less Than 2 Hours

Google Cloud
Skills you'll gain: Kubernetes, Docker (Software), Application Deployment, Cloud Deployment, Cloud-Native Computing, Google App Engine, Google Cloud Platform, Distributed Computing, Test Tools, API Testing, Performance Stress Testing, Performance Testing, DevOps, Public Cloud, Restful API, Web Development
★ 4.3 (6) · Intermediate · Project · Less Than 2 Hours

Skills you'll gain: Unified Modeling Language, Software Design Patterns, C++ (Programming Language), Software Architecture, Object Oriented Design, Software Design, Code Reusability, Object Oriented Programming (OOP), Maintainability, Programming Principles, Diagram Design, Memory Management
Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: Agentic systems, Code Reusability, AI Integrations, Engineering Software, Systems Architecture, API Design, Systems Design, Solution Architecture, Artifactory, Generative Model Architectures, Release Management
Intermediate · Course · 1 - 4 Weeks

Niel Asher Education
Skills you'll gain: Exercise Science, Exercise Therapy, Rehabilitation, Athletic Training, Injury Prevention, Train The Trainer, Physical Therapy, Coaching, Safety Training, Kinesiology, Adaptability
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Application Development, Model View Controller, Software Development Methodologies
★ 4.8 (15) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Project Risk Management, IT Management, Project Management, Software Development Methodologies, Systems Development Life Cycle, IT Infrastructure, Software Development Life Cycle, Information Technology, Project Portfolio Management, Project Scoping, Cloud Infrastructure, Environmental Social And Corporate Governance (ESG), Risk Management, Resource Management, Security Management, Agile Methodology, Scrum (Software Development), Agile Software Development, Cloud Services, Information Technology Operations
Beginner · Course · 1 - 3 Months

Alex Genadinik
Skills you'll gain: Debugging, Vibe coding, Prototyping, Mobile Development, Mobile Development Tools, Application Development, AI Product Strategy, AI literacy, Integrated Development Environments, Persona (User Experience), Application Deployment, User Interface (UI) Design, User Interface (UI)
Mixed · Course · 1 - 4 Weeks