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.

Fractal Analytics
Skills you'll gain: Database Design, Data Manipulation, SQL, Relational Databases, Database Management, Data Analysis, Data Cleansing, Databases, Query Languages, Data Transformation, MySQL Workbench, Data Integrity
Beginner · Course · 1 - 3 Months

Google Cloud
Skills you'll gain: Google App Engine, Authentications, Application Deployment, Identity and Access Management, Google Cloud Platform, Cloud Applications, Authorization (Computing), User Accounts, Cloud Development, Cryptography, Python Programming
Beginner · Project · Less Than 2 Hours

University of Illinois Urbana-Champaign
Skills you'll gain: Geospatial Information and Technology, Geographic Information Systems, Apache Hadoop, Spatial Data Analysis, Geospatial Mapping, Spatial Analysis, Big Data, Matplotlib, Data Processing, Computational Thinking, Distributed Computing, Data Manipulation, Python Programming
Beginner · Course · 1 - 3 Months

Infosec
Skills you'll gain: Secure Coding, Application Security, Computer Programming Tools, System Programming, C++ (Programming Language), C (Programming Language), Software Development Tools, Exploit development, Debugging, Programming Principles, Embedded Systems, Interoperability, Unix, Vulnerability Assessments, Unix Commands, Operating Systems, Data Security, Linux, Microsoft Windows, Data Validation
Intermediate · Specialization · 3 - 6 Months

Edureka
Skills you'll gain: SQL, Data Management, Databases, Apache Spark, Data Architecture, Data Processing
Beginner · Course · 1 - 3 Months

Skills you'll gain: Data Cleansing, Apache Spark, PySpark, Data Manipulation, Applied Machine Learning, Data Processing, Classification And Regression Tree (CART), Predictive Modeling, Data Science, Machine Learning, Google Cloud Platform, Python Programming
Intermediate · Guided Project · Less Than 2 Hours

Erasmus University Rotterdam
Skills you'll gain: R Programming, Statistical Modeling, Regression Analysis, Correlation Analysis, Statistical Analysis, R (Software), Data Modeling
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Web Applications, API Design, User Interface (UI), User Provisioning, Databases, Scalability, GitHub, Command-Line Interface, Data Validation
Beginner · Specialization · 3 - 6 Months

Johns Hopkins University
Skills you'll gain: Operations Research, Resource Allocation, Simulation and Simulation Software, Microsoft Excel, Business Analytics, Data-Driven Decision-Making, Business Risk Management, Transportation Operations, Analytics, Risk Analysis, Process Optimization, Statistical Methods, Business Modeling, Logistics
Mixed · Course · 1 - 3 Months

Skills you'll gain: A/B Testing, Pandas (Python Package), Matplotlib, Plotly, Data Visualization, Statistical Methods, GitHub, Data Manipulation, Statistical Hypothesis Testing, Version Control, Statistical Analysis, Data Science, Interactive Data Visualization, Python Programming, NumPy, Data Analysis, Git (Version Control System), Jupyter, Data Transformation, Programming Principles
Beginner · Course · 1 - 3 Months

Skills you'll gain: Java, Java Programming, Program Development, Application Development, Programming Principles, Data Storage, Computer Programming, Algorithms
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Prompt Engineering, Generative AI, Development Environment, Computational Thinking, Program Development, Software Development, Python Programming, Game Design, Debugging
Beginner · Guided Project · Less Than 2 Hours