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: 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, Debugging
★ 4.5 (614) · Beginner · Course · 1 - 3 Months

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: Prompt Engineering, Gemini, Model Deployment, Generative AI, Google Gemini, Generative AI Agents, Generative Model Architectures, Prompt Patterns, Cloud Deployment, Model Optimization, Application Deployment, LLM Application, Artificial Intelligence and Machine Learning (AI/ML), Large Language Modeling, Google Cloud Platform, Artificial Intelligence, AI Personalization, Python Programming, Software Development Tools, Cloud Platforms
Beginner · Course · 1 - 3 Months

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, 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 (13) · Beginner · 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
★ 4.6 (2.6K) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Exploratory Data Analysis, Data Wrangling, Statistical Analysis, Data Analysis, Model Evaluation, Data Transformation, R Programming, Data Visualization, Regression Analysis, Predictive Modeling, Statistical Methods, R (Software), Data Manipulation, Plot (Graphics), Data Science, Box Plots, Statistical Visualization, Correlation Analysis, Model Training, Tidyverse (R Package)
★ 4.7 (371) · Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: LangGraph, AI Orchestration, LangChain, AI Workflows, LLM Application, Agentic Workflows, Agentic systems, Tool Calling, Generative AI Agents, Model Deployment, Large Language Modeling, Artificial Intelligence, Context Management, Data Persistence, Business Logic, Enterprise Architecture, Debugging
Intermediate · Course · 1 - 4 Weeks

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
★ 4.2 (29) · Beginner · Course · 1 - 4 Weeks
École Polytechnique Fédérale de Lausanne
Skills you'll gain: Scala Programming, Functional Design, Functional Testing, Other Programming Languages, Event-Driven Programming, Software Design Patterns, Simulations
★ 4.6 (11) · Intermediate · Course · 1 - 3 Months
École Polytechnique Fédérale de Lausanne
Skills you'll gain: Scala Programming, Application Design, Software Design Patterns, Functional Design, Other Programming Languages, Event-Driven Programming, Functional Testing, Java, Programming Principles, Performance Tuning, Data Structures
★ 4.5 (3.1K) · Intermediate · Course · 1 - 3 Months
École Polytechnique Fédérale de Lausanne
Skills you'll gain: Scala Programming, Programming Principles, Data Structures, Functional Design, Object Oriented Programming (OOP), Object Oriented Design, Computational Logic
★ 4.8 (65) · Intermediate · Course · 1 - 3 Months