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: Django (Web Framework), Frontend Integration, React.js, API Testing, Authentications, Secure Coding, Performance Tuning, Scalability, JavaScript Frameworks, Test Tools, Unit Testing, Development Testing, Software Testing, Restful API, Javascript, Python Programming
★ 4.9 (28) · Advanced · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: Object Oriented Programming (OOP), File I/O, Python Programming, Data Structures, Computer Programming, Software Engineering, Performance Tuning, Web Development, Performance Testing, Debugging, Web Development Tools
★ 4.8 (24) · Intermediate · Course · 1 - 4 Weeks

DeepLearning.AI
Skills you'll gain: LLM Application, Tool Calling, AI Workflows, Large Language Modeling, Hugging Face, Unstructured Data, Agentic Workflows, Generative AI Agents, Query Languages, SQL, Web Services, Prompt Engineering, Database Management, Restful API, Data Processing
★ 4.6 (30) · Intermediate · Project · Less Than 2 Hours

Coursera
Skills you'll gain: Java, Java Programming, Algorithms, Computational Thinking, Object Oriented Programming (OOP), Functional Design, Development Environment
★ 4.6 (12) · Beginner · Guided Project · Less Than 2 Hours

Università di Napoli Federico II
Skills you'll gain: Unsupervised Learning, Supervised Learning, Object Oriented Programming (OOP), PyTorch (Machine Learning Library), Object Oriented Design, R Programming, Convolutional Neural Networks, NumPy, R (Software), Image Analysis, Pandas (Python Package), Matplotlib, Artificial Neural Networks, Python Programming, Deep Learning, Computer Programming, Machine Learning Methods, Scripting Languages, Statistical Machine Learning, Scripting
★ 4.2 (55) · Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Javascript, Code Reusability, Computational Logic, Programming Principles, Data Import/Export, Web Development
★ 4.5 (11) · Intermediate · Course · 1 - 4 Weeks

Whizlabs
Skills you'll gain: Microsoft Azure, Role-Based Access Control (RBAC), Cloud Storage, Data Storage, Identity and Access Management, Data Storage Technologies, Cloud Management, Authorization (Computing), Data Management, Data Access, Data Security, Data Governance, Configuration Management
★ 4.2 (29) · Intermediate · Course · 1 - 4 Weeks

University of California, Irvine
Skills you'll gain: Systems Development, Systems Development Life Cycle, Agile Methodology, Software Development Life Cycle, Productivity Software, Risk Management Framework, Agile Project Management, Agile Software Development, Data Security, Systems Design, Risk Management, Software Development Methodologies, Information Technology, Information Systems, Project Risk Management, Systems Analysis, Computer Systems, Workflow Management, Management Information Systems, Microsoft Excel
★ 4.7 (38) · Beginner · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Apache Maven, Build Tools, Software Development Tools, Version Control, Software Versioning, Computer Programming Tools, Software Configuration Management, Devops Tools, Apache, Dependency Analysis
★ 4.4 (10) · Beginner · Course · 1 - 4 Weeks

Infosec
Skills you'll gain: Authentications, Secure Coding, Cryptography, Application Security, Web Applications, Javascript, Identity and Access Management, Node.JS, Security Awareness
★ 4.5 (69) · Intermediate · Course · 1 - 4 Weeks

University of California San Diego
Skills you'll gain: Systems Design, Software Design Documents, Software Documentation, System Design and Implementation, Internet Of Things, Technical Documentation, Technical Communication, Technical Writing, Mobile Development, Test Case, System Testing, System Requirements, Software Development, Embedded Software, Communication Systems, Embedded Systems, Systems Integration, Computer Hardware
★ 4.8 (13) · Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Computer Architecture, Mainframe Computing, Mainframe Technologies, Systems Architecture, Hardware Architecture, Data Storage, Computer Science, Computer Systems, Programming Principles, System Programming, Computational Logic, Computer Programming, Memory Management
★ 4.2 (9) · Intermediate · Course · 1 - 3 Months