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.

Johns Hopkins University
Skills you'll gain: Ggplot2, Software Documentation, Open Source Technology, R (Software), Plot (Graphics), Tidyverse (R Package), Package and Software Management, Web Scraping, Data Manipulation, Data Visualization Software, Leaflet (Software), R Programming, Data Wrangling, Data Visualization, Data Preprocessing, Technical Documentation, Visualization (Computer Graphics), Unit Testing, Object Oriented Programming (OOP), Object Oriented Design
Beginner · Specialization · 3 - 6 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
Beginner · Course · 1 - 4 Weeks

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
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Shiny (R Package), Cloud Deployment, Interactive Data Visualization, Data Visualization, Cloud Applications, Statistical Visualization, Application Deployment, UI Components, Server Side, Dashboard Creation, Performance Tuning, R (Software), Dashboard, User Interface (UI), Application Lifecycle Management, Web Applications, Authentications, Application Development, R Programming, Data Management
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, Scripting, Functional Design, Software Installation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Retrieval-Augmented Generation, LLM Application, Database Management Systems, Memory Management, Analysis
Intermediate · Course · 1 - 3 Months

Google Cloud
Skills you'll gain: Google Gemini, Generative AI Agents, Google Cloud Platform, Cloud Security, Google Workspace, Agentic Workflows, AI Workflows, Agentic systems, Data Access, LLM Application, Large Language Modeling, Enterprise Security, Data Store, Data Integration, Artificial Intelligence, Case Studies, Data Security, Authorization (Computing), Application Deployment, Retrieval-Augmented Generation
Beginner · Course · 1 - 3 Months

Google Cloud
Skills you'll gain: Google Gemini, Gemini, Big Data, Google Cloud Platform, Marketing Analytics, Generative AI, Data-Driven Marketing, Applied Machine Learning, Data Analysis, Predictive Analytics, Forecasting, Predictive Modeling, Query Languages, SQL
Beginner · Course · 1 - 4 Weeks

DeepLearning.AI
Skills you'll gain: Retrieval-Augmented Generation, LLM Application, Large Language Modeling, Prompt Engineering, Vector Databases, Embeddings, System Monitoring, Application Security, Fine-tuning, Artificial Intelligence, Model Evaluation
Intermediate · 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
Beginner · Course · 1 - 4 Weeks

University of Michigan
Skills you'll gain: Hypertext Markup Language (HTML), Web Development Tools, Web Content Accessibility Guidelines, HTML and CSS, Web Design and Development, Web Design, Web Development, Front-End Web Development, Semantic Web, Cascading Style Sheets (CSS), Web Presence, Web Servers
Mixed · Course · 1 - 4 Weeks

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, Data Transformation, SQL, Data Import/Export
Intermediate · Course · 1 - 4 Weeks