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: Node.JS, API Gateway, MySQL, Restful API, MongoDB, OAuth, Microservices, API Design, NoSQL, Object-Relational Mapping, Application Programming Interface (API), Database Design, Relational Databases, Unit Testing, SQL, Databases, MySQL Workbench, Server Side, Application Deployment, Javascript
★ 3.6 (116) · Intermediate · Specialization · 3 - 6 Months

Peking University
Skills you'll gain: C++ (Programming Language), Object Oriented Programming (OOP), File I/O, C (Programming Language), Code Reusability, Algorithms, Data Structures
★ 4.7 (813) · Mixed · Course · 1 - 3 Months

Duke University
Skills you'll gain: Pandas (Python Package), Version Control, Git (Version Control System), Data Manipulation, Software Development Tools, Development Environment, Data Structures, Python Programming, Microsoft Development Tools, Data Analysis Software, Package and Software Management, Virtual Environment
★ 4.6 (278) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Scaled Agile Framework, Agile Software Development, Agile Methodology, Behavior-Driven Development, Agile Product Development, Test Driven Development (TDD), Scalability, Agile Project Management, Sprint Planning, Solution Delivery, Virtualization and Virtual Machines, Integration Testing, Software Testing, Virtualization, Solution Architecture
★ 4.5 (494) · Beginner · Course · 1 - 4 Weeks

Microsoft
Skills you'll gain: Data Structures, Generative AI, Test Driven Development (TDD), Integration Testing, Cloud Deployment, Development Testing, Python Programming, Object Oriented Programming (OOP), Serverless Computing, Cloud Computing, Microsoft Azure, Graph Theory, Software Documentation, Object Oriented Design, Maintainability, Code Review, Software Design, Application Deployment
★ 4.1 (27) · Beginner · Course · 1 - 3 Months

EDUCBA
Skills you'll gain: Embedded Software, Real-Time Operating Systems, Software Development, Software Design, Software Architecture, Embedded Systems, Software Systems, Middleware, Systems Architecture, Extensible Markup Language (XML), System Configuration, Application Frameworks, Interoperability, Event-Driven Programming, Communication Systems
★ 4.6 (343) · Beginner · Course · 1 - 4 Weeks

Rice University
Skills you'll gain: Data Visualization Software, Plot (Graphics), Statistical Visualization, Package and Software Management, Python Programming, Data Cleansing, Data Mapping, Code Reusability, Software Installation, Data Processing, Data Integration, Data Import/Export, Program Development, Data Structures, Software Documentation
★ 4.6 (549) · Beginner · Course · 1 - 4 Weeks

EDHEC Business School
Skills you'll gain: Investment Management, Portfolio Management, Asset Management, Investments, Portfolio Risk, Machine Learning, Statistical Machine Learning, Applied Machine Learning, Financial Modeling, Supervised Learning, Predictive Analytics, Market Data, Feature Engineering, Unsupervised Learning, Regression Analysis, Statistical Methods, Analysis, Estimation, Risk Analysis, Computer Science
★ 3.1 (332) · Intermediate · Course · 1 - 3 Months

Amazon Web Services
Skills you'll gain: Responsible AI, Generative AI, Generative AI Agents, Prompt Engineering, Amazon Bedrock, Data Ethics, AWS SageMaker, AI Workflows, Agentic systems, AI Product Strategy, Agentic Workflows, Amazon Web Services, AI Integrations, LLM Application, AI Orchestration, MLOps (Machine Learning Operations), Application Programming Interface (API), Application Development, Solution Architecture, Data Management
★ 4.5 (126) · Beginner · Professional Certificate · 1 - 3 Months

Skills you'll gain: Algorithms, Graph Theory, Data Structures, C++ (Programming Language), C and C++, Programming Principles, Computer Programming, Object Oriented Programming (OOP), Theoretical Computer Science
★ 4.1 (22) · Intermediate · Specialization · 1 - 3 Months

Universitat Autònoma de Barcelona
Skills you'll gain: Microsoft Access, Relational Databases, Data Entry, Databases, Database Software, Database Design, Database Management, Microsoft Office, Data Access, Query Languages, Data Management
★ 4.8 (1.3K) · Beginner · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Spring Framework, JUnit, Application Frameworks, Unit Testing, Java Programming, Enterprise Application Management, Integration Testing, Configuration Management, Development Environment, Extensible Markup Language (XML), Context Management
★ 3.8 (456) · Intermediate · Course · 1 - 4 Weeks