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.

Packt
Skills you'll gain: Git (Version Control System), GitHub, Version Control, Collaborative Software, Code Review, GitLab, Software Versioning, Software Development Tools, Software Configuration Management, Software Development, File Management, Application Development
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Node.JS, API Testing, Restful API, Unit Testing, API Design, Hardening, Application Performance Management, Authentications, Server Side, Postman API Platform, Software Testing, System Monitoring, Secure Coding, Performance Tuning, Back-End Web Development, Web Servers, Application Programming Interface (API), Application Deployment, MongoDB, Databases
Intermediate · Specialization · 1 - 3 Months

University of California, Davis
Skills you'll gain: Javascript, HTML and CSS, Event-Driven Programming, Scripting, Web Design and Development, Web Applications, Programming Principles, Hypertext Markup Language (HTML), Cascading Style Sheets (CSS), Event Monitoring, Data Structures, Debugging
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Prompt Engineering, Agentic systems, Retrieval-Augmented Generation, Agentic Workflows, AI Workflows, Prompt Patterns, Responsible AI, Generative AI Agents, AI Security, AI Enablement, JSON, Generative AI, Artificial Intelligence and Machine Learning (AI/ML), Artificial Intelligence, Embeddings, AI Personalization, Application Programming Interface (API), Vector Databases, Knowledge Transfer, Integration Testing
Beginner · Course · 1 - 4 Weeks

National Taiwan University
Skills you'll gain: Operations Research, Mathematical Modeling, Report Writing, Network Model, Applied Mathematics, Business Modeling, Industrial Engineering, Research Reports, Model Optimization, Linear Algebra, Numerical Analysis, Operational Analysis, Statistical Machine Learning, Inventory Control, Case Studies, Process Optimization, Algorithms, Project Design, Machine Learning, Business Analytics
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: File I/O, Data Import/Export, Java Programming, Java, Programming Principles, Computer Programming, Data Structures, File Systems, File Management, Data Store, Computer Science
Beginner · Course · 1 - 4 Weeks

Microsoft
Skills you'll gain: Microsoft Visio, Diagram Design, Automation, Business Process Automation, Visual Basic (Programming Language), Document Management, Performance Testing, Style Guides, Code Reusability, Maintainability, Scripting, Software Testing, Performance Tuning, Data Compilation, Design Elements And Principles
Advanced · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Real-Time Operating Systems, Internet Of Things, Security Engineering, Information Systems Security, Wireless Networks, Infrastructure Security, General Networking, Cybersecurity, IBM Cloud, Cloud Platforms, Cryptography, Telecommunications, Network Protocols, Market Opportunities, Automation, Emerging Technologies, Embedded Systems, Cloud Deployment, Software-Defined Networking, Market Intelligence
Build toward a degree
Intermediate · Course · 1 - 3 Months

Google Cloud
Skills you'll gain: Prompt Engineering, Responsible AI, AI Product Strategy, Google Gemini, Generative AI, AI Enablement, AI Workflows, Google Cloud Platform, Google Workspace, AI Integrations
Beginner · Course · 1 - 3 Months

Skills you'll gain: Kubernetes, Bash (Scripting Language), Jenkins, Terraform, Continuous Integration, Web Servers, Amazon CloudWatch, IT Automation, Linux Commands, Nginx, Cloud Deployment, Operating System Administration, Firewall, DevOps, Infrastructure As A Service (IaaS), Systems Architecture, Cloud Infrastructure, Git (Version Control System), Data Storage, Role-Based Access Control (RBAC)
Intermediate · Specialization · 3 - 6 Months

École Polytechnique Fédérale de Lausanne
Skills you'll gain: Programming Principles, Java Programming, Java, Computer Programming, Code Reusability, Data Structures, Object Oriented Programming (OOP), Computational Logic, Program Development, Computational Thinking, Problem Solving, Algorithms, Eclipse (Software)
Beginner · Course · 1 - 3 Months

University of California, Irvine
Skills you'll gain: Swift Programming, Objective-C (Programming Language), iOS Development, Core Data (Software), Apple iOS, Video Game Development, Game Design, User Interface (UI), Model View Controller, JSON, User Interface (UI) Design, UI Components, Mobile Development, User Interface and User Experience (UI/UX) Design, OAuth, Memory Management, Responsive Web Design, Prototyping, Animation and Game Design, Human Computer Interaction
Beginner · Specialization · 3 - 6 Months