Ruby courses can help you learn object-oriented programming, web application development, and scripting. You can build skills in writing clean, maintainable code, debugging, and using frameworks like Ruby on Rails for rapid application development. Many courses also introduce tools such as Git for version control and testing frameworks like RSpec, that support ensuring code quality and collaboration in software projects.

Skills you'll gain: JSON, Web Development Tools, Jest (JavaScript Testing Framework), Javascript, Object Oriented Programming (OOP), Web Development, Software Testing, Data Structures, Programming Principles, Front-End Web Development, Unit Testing, Event-Driven Programming, Code Reusability, Web Applications, Node.JS, Software Engineering, Computational Logic, Debugging
★ 4.7 (5K) · Beginner · Course · 1 - 3 Months

Skills you'll gain: LangChain, Prompt Engineering, LLM Application, Large Language Modeling, Retrieval-Augmented Generation, Vector Databases, Tool Calling, Embeddings, OpenAI API, ChatGPT, Google Gemini, AI Workflows, Generative AI Agents, Token Optimization, Agentic Workflows
★ 4.4 (39) · Beginner · Course · 1 - 4 Weeks

Akamai Technologies, Inc.
Skills you'll gain: HTML and CSS, Responsive Web Design, Hypertext Markup Language (HTML), Web Design and Development, Cascading Style Sheets (CSS), Web Development, Web Applications, Web Design, Front-End Web Development, Animations, Web Content, Embeddings, Color Theory
★ 4.7 (28) · Beginner · Course · 1 - 3 Months

Google Cloud
Skills you'll gain: Google Gemini, Gemini, Software Development Life Cycle, Systems Development Life Cycle, Google Cloud Platform, Development Testing, AI Integrations, Application Development, Test Case, Query Languages, Debugging
★ 4.9 (15) · Beginner · Course · 1 - 4 Weeks
Skills you'll gain: IT Security Architecture, Computer Networking, Operating System Administration, Package and Software Management, Network Troubleshooting, Version Control, IT Automation, Systems Administration, IT Infrastructure, Network Administration, Information Systems Security, TCP/IP, Git (Version Control System), Chef (Configuration Management Tool), Network Security, General Networking, Ruby (Programming Language), Desktop Support, Web Presence, Interviewing Skills
★ 4.8 (215K) · Beginner · Professional Certificate · 3 - 6 Months

Skills you'll gain: R (Software), Data Manipulation, Web Scraping, R Programming, Data Analysis, Data Science, Data Structures, Data Import/Export, Programming Principles, Jupyter, File I/O, Integrated Development Environments, Development Environment
★ 4.5 (621) · Beginner · Course · 1 - 3 Months

Coursera
Skills you'll gain: Retrieval-Augmented Generation, LLM Application, Data Flow Diagrams (DFDs), Prompt Engineering, AI Integrations, Generative AI, Embeddings, Diagram Design, Large Language Modeling, Vector Databases, Data Pipelines, Applied Machine Learning
Intermediate · Course · 1 - 4 Weeks

École Polytechnique Fédérale de Lausanne
Skills you'll gain: Scala Programming, Data Structures, Algorithms, Programming Principles, Functional Design, Java Programming, Other Programming Languages, Performance Tuning, Performance Testing
★ 4.4 (1.8K) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Azure DevOps Pipelines, Kubernetes, Azure DevOps, Node.JS, CI/CD, DevOps, Microsoft Development Tools, Microsoft Azure, Devops Tools, Cloud-Native Computing, Test Planning, Continuous Integration, Continuous Delivery, Application Lifecycle Management, Microservices, Containerization, Software Testing, Debugging, Cloud Development, Software Development Tools
★ 4.3 (8) · Intermediate · Course · 1 - 4 Weeks
École Polytechnique Fédérale de Lausanne
Skills you'll gain: Scala Programming, Programming Principles, Object Oriented Design, Object Oriented Programming (OOP), Functional Design, Computer Programming, Data Structures, Code Reusability, Computational Logic
★ 4.8 (8.3K) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Chef (Configuration Management Tool), Scalability, Infrastructure as Code (IaC), Apache, Devops Tools, IT Automation, Cloud Infrastructure, Virtual Machines, Amazon Web Services, IT Infrastructure, Amazon Elastic Compute Cloud, Software Configuration Management, Cloud Management, Application Deployment, Cloud Computing, Nginx, Full-Stack Web Development, Servers, Ruby (Programming Language), Software Installation
Beginner · Specialization · 1 - 3 Months

Microsoft
Skills you'll gain: Microsoft Visual Studio, R (Software), Debugging, R Programming, Data Structures, Microsoft Development Tools, Software Documentation, Programming Principles, Statistical Programming, Program Development, Code Reusability, Development Environment, Data Manipulation, Computational Logic, Software Installation
★ 5 (6) · Beginner · Course · 1 - 4 Weeks