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: JavaScript Frameworks, Test Automation, API Testing, Test Tools, Ajax, Software Testing, Scenario Testing, Restful API
★ 4.3 (10) · Advanced · Guided Project · Less Than 2 Hours

Johns Hopkins University
Skills you'll gain: R (Software), Tidyverse (R Package), Web Scraping, Data Manipulation, Data Wrangling, R Programming, Data Transformation, Memory Management, Data Cleansing, Data Science, Statistical Programming, Data Integration, Data Processing, Text Mining, Data Import/Export, Web Services, Data Analysis, Data Structures, Application Programming Interface (API)
★ 4.3 (1.2K) · Intermediate · Course · 1 - 3 Months
École Polytechnique Fédérale de Lausanne
Skills you'll gain: Scala Programming, Application Design, Software Design, Software Design Patterns, Functional Design, Other Programming Languages, Event-Driven Programming, Functional Testing, Java, Programming Principles, Performance Tuning, Data Structures, Query Languages
★ 4.5 (3.1K) · Intermediate · Course · 1 - 3 Months

Google Cloud
Skills you'll gain: Google Gemini, Generative AI Agents, AI Workflows, Agentic Workflows, Security Controls, Google Cloud Platform, Authorization (Computing), Agentic systems, AI Integrations, Enterprise Architecture, Authentications, LLM Application, Application Deployment, Enterprise Security, Data Integration, Data Access, Cloud Security, Cloud Infrastructure, Case Studies, Analysis
Intermediate · Course · 1 - 3 Months

DeepLearning.AI
Skills you'll gain: Retrieval-Augmented Generation, LangChain, JavaScript Frameworks, LLM Application, Large Language Modeling, AI Orchestration, Python Programming
★ 4.7 (25) · Intermediate · Project · Less Than 2 Hours

Google Cloud
Skills you'll gain: Google Gemini, Data Store, OAuth, Data Storage, Information Management, Collaborative Software, AI Enablement, Enterprise Application Management, Calendar Management, Productivity Software, AI Integrations, Identity and Access Management, Application Deployment
Beginner · Course · 1 - 4 Weeks

University of Cape Town
Skills you'll gain: Data Import/Export, Box Plots, Jupyter, Statistical Analysis, Data Visualization, Plot (Graphics), Scientific Visualization, Programming Principles, Descriptive Statistics, Data Manipulation, Mathematical Software, Epidemiology, Numerical Analysis, Computer Programming, Statistical Hypothesis Testing, Scripting, Computational Logic, Mathematical Modeling, Package and Software Management
★ 4.4 (439) · Beginner · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Google Gemini, Gemini, Google Cloud Platform, Cloud Applications, Generative AI, Prompt Engineering Tools, Cloud Development, LLM Application, AI literacy, Software Development Tools, AI Workflows, Development Environment, Cloud Services, Application Development, Code Review
Beginner · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Google Gemini, Gemini, AI Integrations, AI Workflows, Generative AI Agents, AI Enablement, Prompt Engineering Tools, Google Cloud Platform, Cloud Development, Application Development
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: R (Software), Exploratory Data Analysis, R Programming, Data Manipulation, File I/O, Statistical Programming, Data Analysis, File Management, Integrated Development Environments, Programming Principles, Data Science, Data Structures, Computer Programming
Beginner · Guided Project · Less Than 2 Hours

DeepLearning.AI
Skills you'll gain: Full-Stack Web Development, Retrieval-Augmented Generation, Web Applications, JavaScript Frameworks, React.js, LLM Application, Web Development, Javascript, Tool Calling, Agentic Workflows, Generative AI Agents, Data Persistence
★ 4.7 (16) · Beginner · Project · Less Than 2 Hours

Edureka
Skills you'll gain: Restful API, Rust (Programming Language), API Design, Object-Relational Mapping, Application Programming Interface (API), Server Side, Back-End Web Development, System Programming, Web Frameworks, Web Development, Web Servers, Software Documentation, Web Applications, Scalability, Database Management, Network Protocols, Memory Management, Authentications
★ 3.9 (7) · Intermediate · Course · 1 - 4 Weeks