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.

University of Colorado Boulder
Skills you'll gain: Object Oriented Design, JUnit, Object Oriented Programming (OOP), Software Design Patterns, Software Engineering, Java, Unified Modeling Language, Software Design, Java Programming, Software Architecture, Model View Controller, Programming Principles, Conceptual Design
Build toward a degree
Intermediate · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Ajax, jQuery, JSON, Javascript and jQuery, Extensible Markup Language (XML), Web Applications, Javascript, Extensible Languages and XML, Event-Driven Programming, Network Protocols
Intermediate · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Data Analysis, Analysis, Analytics, Statistical Analysis, Statistical Programming, Spreadsheet Software, Analytical Skills, Exploratory Data Analysis, Descriptive Analytics, Data Processing, Data Cleansing, Statistical Methods, Data Collection, Advanced Analytics, Statistics, R (Software), Predictive Analytics, Data Presentation, Query Languages, Data Visualization
Beginner · Course · 1 - 3 Months

Coursera
Skills you'll gain: C++ (Programming Language), Data Structures, File I/O, Data Cleansing, Data Storage, Data Integrity
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Model Deployment, Restful API, Application Deployment, AI Integrations, Generative AI, Artificial Intelligence and Machine Learning (AI/ML), LLM Application, Java, Development Environment, Image Analysis, Software Development, Computer Vision
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Postman API Platform, Continuous Delivery, Continuous Integration, Web Services, API Design, Test Tools, Spring Framework, Application Programming Interface (API), CI/CD, Test Execution Engine, Service Oriented Architecture, Verification And Validation, Software Testing, Restful API, Interactive Data Visualization, Server Side, Web Applications, Program Development, Virtual Environment, Automation
Beginner · Specialization · 1 - 3 Months

Coursera
Skills you'll gain: Cryptography, Encryption, Application Development, Security Engineering, C and C++, C++ (Programming Language)
Intermediate · Guided Project · Less Than 2 Hours

28DIGITAL
Skills you'll gain: Geometry, Algorithms, Computer Graphics, Data Structures, Graph Theory, Spatial Data Analysis, Geographic Information Systems, Theoretical Computer Science, Spatial Analysis
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Amazon S3, Amazon Web Services, Cloud Hosting, Version Control, Software Versioning, Web Language, Application Deployment, Cloud Storage, Web Applications, Web Design and Development, Cloud Deployment, Serverless Computing, Public Cloud, Web Presence
Beginner · Guided Project · Less Than 2 Hours

Coursera
Skills you'll gain: SQL, PostgreSQL, Data Manipulation
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Agentic Workflows, Generative AI Agents, Agentic systems, AI Orchestration, OpenAI API, OpenAI, LLM Application, AI Integrations, Performance Tuning, Real Time Data, Tool Calling, Prompt Patterns, Prompt Engineering, Token Optimization, AI Security, Application Programming Interface (API), Software Architecture, Application Security
Intermediate · Course · 1 - 4 Weeks

Epic Games
Skills you'll gain: Game Design, Unreal Engine, User Interface (UI), User Experience Design, Usability, User Interface and User Experience (UI/UX) Design, User Experience, User Interface (UI) Design, Video Game Development, Automation
Beginner · Course · 1 - 4 Weeks