Theoretical computer science courses can help you learn algorithms, computational complexity, automata theory, and formal languages. You can build skills in problem-solving, mathematical reasoning, and algorithm analysis, that support tackling complex computational tasks. Many courses introduce tools like Python for algorithm implementation, LaTeX for typesetting mathematical documents, and software for simulating automata, allowing you to apply these concepts in practical scenarios.

University of London
Skills you'll gain: User Accounts, MongoDB, Full-Stack Web Development, JavaScript Frameworks, Command-Line Interface, Web Applications, Web Development, Javascript, Data Access, Data Validation, Query Languages
Mixed · Course · 1 - 3 Months

Skills you'll gain: C# (Programming Language), Software Architecture, .NET Framework, Object Oriented Design, Distributed Computing, Scalability, Object Oriented Programming (OOP), Software Design, Microservices, Debugging, MongoDB, Data Access, Model View Controller, Performance Tuning, Computer Programming, Maintainability, NoSQL
Intermediate · Course · 1 - 4 Weeks
Skills you'll gain: Application Security, Open Web Application Security Project (OWASP), Angular, OAuth, Test Driven Development (TDD), Cryptography, Data Validation, Unit Testing, Vue.JS, Data Security, Authentications, HTML and CSS, Encryption, Authorization (Computing), General Data Protection Regulation (GDPR), Web Applications, JavaScript Frameworks, Javascript, Security Strategy, Computer Programming
Beginner · Specialization · 1 - 3 Months

Xi'an Jiaotong University
Skills you'll gain: Operating Systems, Computer Systems, Computer Networking, Microsoft Office, Computer Architecture, Computer Hardware, Network Protocols, Information Technology, Computing Platforms, Computer Literacy, Computational Logic, Data Storage, File Management
Mixed · Course · 1 - 3 Months

KodeKloud
Skills you'll gain: Jenkins, Terraform, Infrastructure as Code (IaC), Linux Administration, Kubernetes, Docker (Software), CI/CD, Version Control, Ansible, Continuous Integration, Microservices, Devops Tools, GitHub, Containerization, Operating System Administration, Git (Version Control System), General Networking, Systems Administration, DevOps, Python Programming
Beginner · Specialization · 3 - 6 Months

Infosec
Skills you'll gain: Application Security, Secure Coding, Security Testing, Security Engineering, Vulnerability Scanning, Security Controls, Security Awareness, Continuous Monitoring, Threat Detection, Web Applications, Browser Compatibility, Computer Programming
Beginner · Course · 1 - 4 Weeks

Meta
Skills you'll gain: Restful API, Django (Web Framework), API Design, Software Documentation, Application Programming Interface (API), Authentications, Authorization (Computing), Test Tools, Debugging, JSON, Performance Tuning, Data Validation, Extensible Markup Language (XML)
Intermediate · Course · 1 - 4 Weeks

University of London
Skills you'll gain: User Interface (UI), Interactive Design, Computer Graphics, Video Game Development, Mobile Development, Visualization (Computer Graphics), Animation and Game Design, Music, Application Development, Multimedia, Computer Programming
Mixed · Course · 1 - 3 Months

Politecnico di Milano
Skills you'll gain: Responsible AI, Social Studies
Beginner · Course · 1 - 4 Weeks

Universidad Nacional Autónoma de México
Skills you'll gain: Java, Object Oriented Programming (OOP), Java Programming, Android Development, Android Studio, Mobile Development, Programming Principles, Integrated Development Environments
Mixed · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: C# (Programming Language), ASP.NET, .NET Framework, Object Oriented Programming (OOP), Web Applications, Programming Principles, Web Development, Debugging, Event-Driven Programming, Model View Controller, Development Environment
Intermediate · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: Prompt Engineering, Generative AI, ChatGPT, OpenAI, Multimodal Prompts, Large Language Modeling, LLM Application, Responsible AI, Natural Language Processing, GitHub, Python Programming, Machine Learning, Application Programming Interface (API)
Beginner · Course · 1 - 4 Weeks