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.

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

University of Virginia
Skills you'll gain: User Story, Javascript, Model View Controller, Debugging, HTML and CSS, Prototyping, jQuery, Web Applications, Hypertext Markup Language (HTML), User Interface (UI), Interactive Design, Web Design and Development, Web Development Tools, Web Design, Application Programming Interface (API), Application Development, Cascading Style Sheets (CSS), Software Development, Software Development Tools, User Experience
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Wireless Networks, Control Systems, Interactive Design, Software Installation, Basic Electrical Systems, Hardware Design, Display Devices, Integrated Development Environments, Product Development, Electronic Systems, Embedded Systems, Electronic Components, Computer Programming Tools, Development Environment, Electrical Wiring, Programming Principles, Open Source Technology
Beginner · Course · 1 - 3 Months

Fractal Analytics
Skills you'll gain: Ideation, UI/UX Research, Brainstorming, Innovation, Design Thinking, User Research, Generative AI, Competitive Analysis, Human Centered Design, Data Ethics, Persona (User Experience), Artificial Intelligence, Problem Solving, Data Collection, Data Synthesis, Critical Thinking
Beginner · Course · 1 - 4 Weeks

Packt
Skills you'll gain: Prompt Engineering, LangChain, ChatGPT, Multimodal Prompts, OpenAI, Generative AI, No-Code Development, LLM Application, Microsoft Power Platform, Application Programming Interface (API), Email Automation, Application Development, Microsoft Power Automate/Flow, Serverless Computing, JSON, Microsoft Azure, Microsoft Outlook, Email Marketing, Large Language Modeling, Python Programming
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: LangChain, Large Language Modeling, LLM Application, Generative AI, Generative Model Architectures, Oracle Cloud, Prompt Engineering, Natural Language Processing, Application Programming Interface (API)
Intermediate · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Middleware, Node.JS, Development Environment, Application Development, JavaScript Frameworks, TypeScript, Web Applications, Web Development Tools, Application Programming Interface (API), Server Side, Javascript, Android Development, Dependency Analysis
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Web Development Tools, Data Structures, Javascript, Scripting, Scripting Languages, Programming Principles
Intermediate · Guided Project · Less Than 2 Hours

Edureka
Skills you'll gain: Data Sharing, Web Development
Beginner · Course · 1 - 3 Months
CertNexus
Skills you'll gain: Extract, Transform, Load, Data Manipulation, Data Cleansing, Data Processing, Data Transformation, Data Warehousing, Data Integration, Data Quality, Data Import/Export, Data Collection, Data Mining
Intermediate · Course · 1 - 4 Weeks

Saïd Business School, University of Oxford
Skills you'll gain: Financial Services, Artificial Intelligence, FinTech, Financial Regulation, Banking, Fraud detection, Machine Learning, Data Ethics, Natural Language Processing, AI Personalization, Deep Learning, Credit Risk, Data-Driven Decision-Making, Case Studies, Reinforcement Learning, Big Data, Algorithms, Data Management, Customer Service
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Feature Engineering, Data Transformation, Data Processing, Data Cleansing, Applied Machine Learning, MLOps (Machine Learning Operations), Predictive Modeling, Exploratory Data Analysis, Automation, Machine Learning Methods, Machine Learning, Scikit Learn (Machine Learning Library), Artificial Intelligence and Machine Learning (AI/ML), Data Science, IBM Cloud, Python Programming, Performance Tuning
Intermediate · Course · 1 - 4 Weeks