Programming languages courses can help you learn syntax, data structures, algorithms, and object-oriented programming. You can build skills in debugging, code optimization, and software development methodologies. Many courses introduce tools like Git for version control, integrated development environments (IDEs) such as Visual Studio Code, and frameworks like React or Django, that support creating robust applications and enhancing your coding efficiency.

Skills you'll gain: Data Pipelines, Extract, Transform, Load, Dataflow, Data Processing, Scripting, Google Cloud Platform, Big Data, Scripting Languages, Cloud Storage
★ 4.5 (15) · Intermediate · Project · Less Than 2 Hours

Packt
Skills you'll gain: Ruby (Programming Language), File I/O, Object Oriented Programming (OOP), Object Oriented Design, Ruby on Rails, Debugging, Test Tools, Application Design, Code Reusability, Programming Principles, Test Case, Software Documentation, Development Environment, Integrated Development Environments, Computer Programming, Data Structures, Apple Xcode, Web Development, Computational Logic, Software Installation
★ 4.4 (18) · Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Prompt Engineering, LLM Application, OpenAI API, OpenAI, Hugging Face, Large Language Modeling, Agentic systems, Embeddings, AI Workflows, Data Processing, Vector Databases, Retrieval-Augmented Generation, Generative AI Agents, Application Development, Memory Management
★ 3.2 (21) · Intermediate · Course · 3 - 6 Months

The University of Tokyo
Skills you'll gain: Language Competency, Vocabulary, Oral Comprehension, Grammar, Language Learning, Literacy, Materials science
★ 4.9 (26) · Intermediate · Course · 1 - 3 Months
University of Michigan
Skills you'll gain: Exploratory Data Analysis, Rmarkdown, R (Software), Plot (Graphics), Tidyverse (R Package), Statistical Visualization, Data Visualization, Data Visualization Software, R Programming, Data Analysis, Ggplot2, Data Wrangling, Scatter Plots, Data Manipulation, Histogram, Statistical Reporting, Scripting, Package and Software Management, Scripting Languages, Data Transformation
★ 4.9 (10) · Beginner · Course · 1 - 4 Weeks

LearnKartS
Skills you'll gain: Object Oriented Design, Java Programming, Code Reusability, Application Design, Solution Design, Design Strategies, Design Elements And Principles
★ 4.7 (33) · Intermediate · Course · 1 - 4 Weeks

DeepLearning.AI
Skills you'll gain: Retrieval-Augmented Generation, LangChain, AI Orchestration, SQL, LLM Application, Query Languages, Generative AI Agents, OpenAI API, Microsoft Azure, Tool Calling, OpenAI, Natural Language Processing, Large Language Modeling
★ 4.5 (54) · Beginner · Project · Less Than 2 Hours

Skills you'll gain: Jenkins, Selenium (Software), GitHub, Git (Version Control System), Performance Testing, Continuous Integration, CI/CD, Apache Maven, Version Control, Test Script Development, Test Automation, Browser Compatibility, System Testing, Object Oriented Programming (OOP), Continuous Delivery, Test Data, Java Programming, Java, Test Case, Software Testing
★ 4.4 (8) · Beginner · Specialization · 3 - 6 Months
Skills you'll gain: Vue.JS, HTML and CSS, Hypertext Markup Language (HTML), Web Applications, JavaScript Frameworks, Front-End Web Development, Web Design and Development, Cascading Style Sheets (CSS), Web Components, Web Development, Javascript, Data Persistence
★ 4.2 (45) · Beginner · Course · 1 - 4 Weeks

Universidad Nacional Autónoma de México
Skills you'll gain: Spanish Language, Telephone Skills, Meeting Facilitation, Oral Expression, Business Correspondence, Outbound Calls, Verbal Communication Skills, Negotiation, Business Writing, Writing, Business Communication, Inbound Calls, Communication, Grammar, Communication Strategies, Active Listening, Vocabulary
★ 4.6 (14) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Restful API, CI/CD, Model View Controller, ASP.NET, Cloud Infrastructure, Continuous Deployment, Load Balancing, OAuth, Continuous Integration, Continuous Delivery, Cloud Computing, Cloud Applications, Cloud Deployment, Application Deployment, Cloud Computing Architecture, API Design, Web Applications, Web Development, .NET Framework, Microservices
★ 4.9 (172) · Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Docker (Software), Containerization, Web Design and Development, Restful API, User Interface (UI) Design, Node.JS, Application Deployment, MongoDB, Database Management, Databases, JavaScript Frameworks, Web Applications, Web Development, Web Development Tools, Database Application, Server Side, Back-End Web Development, Full-Stack Web Development, Javascript
★ 4.2 (33) · Intermediate · Guided Project · Less Than 2 Hours