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: Retrieval-Augmented Generation, Model Context Protocol, Agentic Workflows, Prompt Engineering, Anthropic Claude, Application Programming Interface (API), Prompt Patterns, Prompt Engineering Tools, LLM Application, JSON, AI Integrations, Generative AI Agents, AI literacy, Tool Calling, Generative AI, Scripting, Token Optimization, Document Management, Context Engineering, Agentic systems
★ 3.6 (25) · Intermediate · Specialization · 1 - 3 Months

Vanderbilt University
Skills you'll gain: Microservices, Spring Boot, API Testing, Spring Framework, IntelliJ IDEA, Java Programming, Restful API, Object Oriented Programming (OOP), Java, Object Oriented Design, Application Programming Interface (API), Systems Architecture, Application Deployment, Software Architecture, API Design, Integrated Development Environments, Data Persistence, Scalability, Service Oriented Architecture, Web Applications
★ 4.3 (66) · Intermediate · Specialization · 1 - 3 Months

Coursera
Skills you'll gain: Model Evaluation, Model Training, Exploratory Data Analysis, Data Cleansing, Text Mining, Scikit Learn (Machine Learning Library), Probability & Statistics, Natural Language Processing, Data Preprocessing, Social Media Analytics, Data Analysis, Classification Algorithms, Python Programming, Applied Machine Learning, Predictive Analytics, Machine Learning, Automation
★ 4.6 (375) · Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Object Oriented Programming (OOP), Object Oriented Design, Software Documentation, Java Programming, Java, Technical Documentation, Computer Programming, Programming Principles, Code Reusability, Computer Science
★ 4.2 (22) · Intermediate · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: TypeScript, Event-Driven Programming, Javascript, JavaScript Frameworks, Pseudocode, Computational Thinking, JSON, Program Development, Web Development, Angular, Web Applications, Vue.JS, Data Import/Export, Application Development, Mobile Development, Debugging, Algorithms, Code Reusability, Web Development Tools, React.js
★ 4.6 (112) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Blockchain, Secure Coding, Authorization (Computing), Token Optimization, Role-Based Access Control (RBAC), User Provisioning, Authentications, Application Security, Identity and Access Management, Other Programming Languages, Program Development, Programming Principles, Transaction Processing, Test Script Development, Software Development, Application Deployment
★ 4.9 (42) · Intermediate · Course · 1 - 4 Weeks

University of California San Diego
Skills you'll gain: Bioinformatics, Markov Model, Molecular Biology, Machine Learning Methods, Algorithms, Data Transformation, Performance Tuning, Memory Management
★ 4.6 (62) · Intermediate · Course · 1 - 3 Months
STARWEAVER
Skills you'll gain: Embedded Software, Embedded Systems, Electrical Systems, Cybersecurity, Program Development, Automation, Electronics, Sustainable Technologies, Control Systems, Electronic Hardware, Internet Of Things, Software Development
★ 4.5 (44) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Database Software, Hardware Troubleshooting, Networking Hardware, Database Theory, Database Management Systems, Computer Networking, Network Support, Network Protocols, Security Software, Cybersecurity, Encryption, Security Awareness, Computer Literacy, Browser Compatibility, Program Development, Computing Platforms, Computer Programming, System Software, Authentications, Database Management
★ 4.5 (12) · Beginner · Specialization · 1 - 3 Months

LearnQuest
Skills you'll gain: Java Platform Enterprise Edition (J2EE), Scripting Languages, Scripting, Java, Java Programming, Server Side, Web Applications, Web Components
★ 4.7 (94) · Intermediate · Course · 1 - 4 Weeks

Nikolai Schuler
Skills you'll gain: Data Warehousing, Data Transformation, Data Import/Export, Database Management Systems, Query Languages, SQL, Cloud Computing Architecture, Database Management, Data Management, Amazon S3, Data Analysis
★ 4.5 (33) · Beginner · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: GitHub Copilot, Vibe coding, Model Context Protocol, GitHub, Code Review, AI Personalization, Prompt Engineering, Context Management, Agentic Workflows, Software Development, Web Development
★ 4.5 (40) · Intermediate · Course · 1 - 3 Months