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.

LearnQuest
Skills you'll gain: Simple Object Access Protocol (SOAP), Restful API, Web Services, Hypertext Markup Language (HTML), HTML and CSS, Java Platform Enterprise Edition (J2EE), Software Design, Java, Extensible Markup Language (XML), Application Programming Interface (API), API Design, Object Oriented Design, Software Design Patterns, Software Architecture, Web Design, Web Design and Development, Web Applications, Front-End Web Development, Web Development, Program Development
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: JUnit, Test Automation, Test Tools, Test Script Development, Unit Testing, Software Testing, Performance Testing, Quality Assurance, Performance Stress Testing, IT Automation, Performance Tuning, Scripting, Debugging, Network Performance Management, Simulations
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Relational Databases, Database Design, Health Informatics, Performance Tuning, Data Access, Data Integrity, Secure Coding, Clinical Data Management, SQL, Database Management, Query Languages
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Model Evaluation, Classification Algorithms, Regression Analysis, Matplotlib, Feature Engineering, Time Series Analysis and Forecasting, Data Preprocessing, Jupyter, Image Analysis, Cloud Deployment, Scikit Learn (Machine Learning Library), Applied Machine Learning, Tensorflow, Amazon Web Services, Python Programming, Data Transformation, Logistic Regression, Health Informatics, Machine Learning, Artificial Intelligence and Machine Learning (AI/ML)
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Wireless Networks, Control Systems, Interactive Design, Software Installation, Electronics, Electronic Hardware, Telecommunications, Hardware Design, Program Development, Communication Systems, Display Devices, Embedded Software, Integrated Development Environments, Electronic Systems, Embedded Systems, Electronic Components, Development Environment, Electrical Wiring, Programming Principles, Open Source Technology
Beginner · Course · 1 - 3 Months

Skills you'll gain: Cloud-Native Computing, Cloud Deployment, Infrastructure as Code (IaC), Databases, Database Systems, Application Deployment, AWS CloudFormation, Cloud Solutions, IT Automation, Cloud Security, User Provisioning, Authentications, Event-Driven Programming
Beginner · Course · 1 - 3 Months

Coursera
Skills you'll gain: Model Deployment, Unit Testing, MLOps (Machine Learning Operations), Kubernetes, Docker (Software), Containerization, Test Driven Development (TDD), Application Deployment, Continuous Integration, Software Testing, Model Training, CI/CD, Scalability, Scikit Learn (Machine Learning Library), Tensorflow, PyTorch (Machine Learning Library), Performance Tuning, Python Programming, Software Engineering, Git (Version Control System)
Intermediate · Specialization · 1 - 3 Months

Duke University
Skills you'll gain: Package and Software Management, Program Development, Virtual Environment, Development Environment, Software Configuration Management, Software Installation, Configuration Management, Python Programming
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: NumPy, Plot (Graphics), Pandas (Python Package), Scientific Visualization, Data Manipulation, Scatter Plots, Machine Learning Methods, Applied Machine Learning, Machine Learning, Data Science, Machine Learning Algorithms, Data Analysis Software, Statistical Methods, Histogram, Data Processing, Numerical Analysis, Data Import/Export, Linear Algebra, Probability Distribution, Classification Algorithms
Beginner · Course · 1 - 3 Months

Skills you'll gain: Computer Graphics, Software Architecture, Development Environment, Software Design, Maintainability, Software Visualization, Systems Architecture, Software Design Patterns, Code Reusability, Graphics Software, Systems Design, Cross Platform Development, Computer Graphic Techniques, Image Quality, System Design and Implementation, Video Game Development, Computer Programming Tools, Dataflow, Performance Tuning, Scalability
Beginner · Specialization · 3 - 6 Months

Board Infinity
Skills you'll gain: AI Workflows, Agentic Workflows, LangGraph, AI Orchestration, Agentic systems, Generative AI Agents, LangChain, LLM Application, AI Integrations, Software Architecture, Systems Architecture, Software Design, Data Validation, Data Persistence, Context Management, Scalability, Systems Integration, Memory Management
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Prompt Engineering, LLM Application, Model Deployment, Responsible AI, Application Deployment, Application Development, Large Language Modeling, Hugging Face, Data Ethics, Generative AI, AI Security, Application Security, Continuous Monitoring
Intermediate · Course · 1 - 4 Weeks