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.

University of Washington
Skills you'll gain: Software Installation, Programming Principles, Other Programming Languages, Functional Design, Computer Programming, Ruby (Programming Language), Theoretical Computer Science, Object Oriented Programming (OOP), Code Reusability, Development Environment
★ 4.9 (1.9K) · Intermediate · Course · 1 - 3 Months

École Polytechnique Fédérale de Lausanne
Skills you'll gain: Apache Spark, Apache Hadoop, Scala Programming, Distributed Computing, Big Data, Data Manipulation, Data Processing, Performance Tuning, Data Persistence, SQL, Data Import/Export
★ 4.6 (2.6K) · Intermediate · Course · 1 - 4 Weeks

École Polytechnique Fédérale de Lausanne
Skills you'll gain: Apache Spark, Scala Programming, Apache Hadoop, Big Data, Data Manipulation, Distributed Computing, Data Processing, Performance Tuning, SQL, Data Transformation, Network Performance Management, Data Persistence, Data Analysis, Programming Principles
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

Scrimba
Skills you'll gain: Vector Databases, Retrieval-Augmented Generation, LangChain, Embeddings, Generative AI Agents, LLM Application, Tool Calling, Agentic systems, Artificial Intelligence, Generative AI, Large Language Modeling, Application Development
Intermediate · Course · 1 - 4 Weeks

University of Illinois Urbana-Champaign
Skills you'll gain: Life Sciences, Molecular Biology, Biotechnology, Environment, Biological Engineering, Molecular, Cellular, and Microbiology, Biology, Physiology, Sustainable Development, Medical Science and Research, Environmental Science, Cell Biology, Microbiology, Analysis, Research
★ 4.6 (332) · Beginner · Course · 1 - 3 Months

Duke University
Skills you'll gain: Video Game Development, Animations, Event-Driven Programming, Animation and Game Design, Cinematography, Game Design, Storyboarding, 3D Assets, Programming Principles, Computer Graphics, Code Reusability, Computer Programming, Computational Logic
★ 4.2 (44) · Beginner · Course · 1 - 3 Months

University of Washington
Skills you'll gain: Ruby (Programming Language), Other Programming Languages, Object Oriented Programming (OOP), Object Oriented Design, Programming Principles, Functional Design, Code Reusability
★ 4.9 (463) · Mixed · Course · 1 - 3 Months

Coursera
Skills you'll gain: Retrieval-Augmented Generation, Generative AI, LangChain, LLM Application, Large Language Modeling, Embeddings, Vector Databases, AI Orchestration, Model Evaluation
Intermediate · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: Hypertext Markup Language (HTML), Software Documentation, Technical Documentation, Web Development, Technical Writing
★ 4.3 (12) · Beginner · Course · 1 - 4 Weeks

LearnKartS
Skills you'll gain: Model Context Protocol, Gemini, Node.JS, Google Gemini, AI Workflows, Generative AI Agents, OpenAI API, Prompt Engineering, Agentic Workflows, Retrieval-Augmented Generation, Embeddings, OpenAI, TypeScript, Back-End Web Development, LLM Application, Web Applications, API Design, Web Development, Javascript, Data Management
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Vibe coding, Prompt Engineering, Authentications, LLM Application, AI Integrations, AI Workflows, User Interface (UI), Application Deployment, Full-Stack Web Development, Application Development, No-Code Development, Generative AI, Web Applications, Authorization (Computing), Back-End Web Development, System Design and Implementation, Frontend Performance, Software Development Life Cycle, Database Management, Problem Solving
Intermediate · Course · 1 - 4 Weeks