C programming courses can help you learn syntax, data structures, algorithms, and memory management. You can build skills in debugging, optimizing code, and implementing efficient algorithms. Many courses introduce tools like GCC for compiling code, GDB for debugging, and libraries such as the Standard Template Library (STL) to enhance functionality. You'll also explore concepts like pointers, file handling, and dynamic memory allocation, which are crucial for developing robust applications.

Skills you'll gain: Restful API, Application Programming Interface (API), Authentications, Test Automation, JSON, Security Testing, Authorization (Computing), Java Programming, Scenario Testing, Java, Test Tools, Back-End Web Development
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Spring Framework, Java Programming, Java, Application Frameworks, Object Oriented Design, Object Oriented Programming (OOP), Software Design Patterns, Extensible Markup Language (XML)
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Open Web Application Security Project (OWASP), Threat Modeling, Application Security, Software Development Life Cycle, DevSecOps, Threat Management, Security Testing, Secure Coding, Cloud Security, Encryption, Vulnerability Scanning, Software Development, Cryptography, CI/CD, Cloud Platforms, DevOps, Vulnerability Assessments, Vulnerability Management, Penetration Testing, Configuration Management
Intermediate · Course · 3 - 6 Months

LearnKartS
Skills you'll gain: Model Context Protocol, Vector Databases, Agentic Workflows, Tool Calling, Agentic systems, AI Workflows, Google Gemini, AI Orchestration, Server Side, Gemini, Generative AI Agents, Embeddings, Node.JS, Retrieval-Augmented Generation, Large Language Modeling, Web Development, PostgreSQL, Data Processing, Data Modeling, Javascript
Intermediate · Course · 1 - 3 Months

Skills you'll gain: File I/O, Security Controls, Cryptography, User Accounts
Intermediate · Course · 3 - 6 Months

Northeastern University
Skills you'll gain: Data Warehousing, Extract, Transform, Load, Data Integration, Data Modeling, Data Architecture, Data Governance, Database Design, Operational Data Store, Data Management, SQL, Relational Databases, Query Languages, Data Mining, Data Quality, Data Analysis
Mixed · Course · 1 - 3 Months

Skills you'll gain: Restful API, Spring Framework, Microservices, Cloud Deployment, API Design, Spring Boot, OAuth, Java Programming, System Design and Implementation, Java, Systems Design, Systems Architecture, Software Architecture, Software Design, Web Design and Development, Sprint Planning, NoSQL, SQL, Databases, Product Management
Beginner · Course · 1 - 3 Months

Universitat Politècnica de València
Skills you'll gain: SQL, Database Management Systems, Relational Databases, Database Management, Databases, Database Theory, Query Languages, Data Integrity, Secure Coding, Data Manipulation
Beginner · Course · 1 - 3 Months

Skills you'll gain: Event-Driven Programming, Web Applications, Javascript, Data Import/Export, Data Management, Web Development, Data Mapping, User Interface (UI), Web Content Accessibility Guidelines, Interactive Design, Data Structures, Computational Logic, Data Validation
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Text Mining, Natural Language Processing, Microsoft Azure, Artificial Intelligence, Artificial Intelligence and Machine Learning (AI/ML), AI literacy, AI Workflows, Analytics, Application Development
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Retrieval-Augmented Generation, LLM Application, LangChain, Artificial Intelligence and Machine Learning (AI/ML), Agentic Workflows, Generative AI Agents, AI Integrations, Artificial Intelligence, Large Language Modeling, Taxonomy, Agentic systems, Scalability, Python Programming, System Design and Implementation, Machine Learning, Graph Theory
Intermediate · Course · 1 - 4 Weeks

Packt
Skills you'll gain: JavaScript Frameworks, Restful API, Application Programming Interface (API), Web Development, React.js, Authentications, OAuth, Web Applications, Server Side, Back-End Web Development, Object-Relational Mapping, UI Components, Cloud Hosting, Image Quality, Secure Coding, Application Deployment
Intermediate · Course · 1 - 3 Months