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.

National Taiwan University
Skills you'll gain: Plot (Graphics), Web Scraping, Machine Learning, Machine Learning Algorithms, User Interface (UI), Operational Analysis, Business Analytics, Python Programming, Programming Principles, User Interface (UI) Design, Computational Thinking, UI Components, Object Oriented Programming (OOP), Numerical Analysis
★ 4.9 (163) · Mixed · Course · 1 - 3 Months

University of Illinois Urbana-Champaign
Skills you'll gain: Cloud Applications, Cloud Development, Cloud Computing, Cloud Infrastructure, Distributed Computing, Network Architecture, Systems Integration
★ 4 (42) · Mixed · Course · 1 - 3 Months

SkillsBooster Academy
Skills you'll gain: Microsoft Copilot, Prompt Engineering, Vibe coding, GitHub, AI Workflows, Generative AI Agents, Software Development Tools, Application Development, Software Development, Responsible AI, Code Review, Generative AI, Artificial Intelligence, AI Personalization, Design Software, Software Engineering, Web Development, React.js, Front-End Web Development, Javascript
★ 4.5 (13) · Beginner · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Traffic Flow Optimization, Architectural Design, Sustainable Development, Stormwater Management, Building Codes, Community Development, Sustainable Systems, Land Development, Public Works, Sustainable Architecture, Landscape Architecture, Transportation Operations, Civil Engineering, Land Management, Case Studies, Environmental Engineering, Building Design, Economic Development, Sustainable Design, Environmental Science
★ 4.6 (522) · Intermediate · Specialization · 3 - 6 Months

Google Cloud
Skills you'll gain: Prompt Engineering, AI Personalization, Prompt Engineering Tools, Google Gemini, LLM Application, Information Architecture
★ 4.8 (13) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Javascript, Code Reusability, Computational Logic, Programming Principles, Data Import/Export, Web Development
★ 4.5 (13) · Intermediate · Course · 1 - 4 Weeks

Università Bocconi
Skills you'll gain: Conflict Management, Team Motivation, Intercultural Competence, Professional Networking, Organizational Leadership, Cultural Diversity, Cultural Responsiveness, Cultural Sensitivity, Leadership and Management, Cross-Functional Team Leadership, Communication, Leadership, Team Leadership, Behavior Management, Leadership Development, Communication Strategies, Drive Engagement, Relationship Building, Team Management, Ethical Standards And Conduct
★ 4.8 (3.5K) · Mixed · Course · 1 - 3 Months

University of Leeds
Skills you'll gain: Responsible AI, Artificial Intelligence, Data Ethics, AI literacy, Artificial Intelligence and Machine Learning (AI/ML), digital literacy, Machine Learning
★ 4.1 (13) · Beginner · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Google Cloud Platform, Data Lakes, Data Pipelines, Dataflow, Data Processing, Apache Spark, Model Deployment, Big Data, Tensorflow, Systems Design, Extract, Transform, Load, Apache Hadoop, Data Infrastructure, Real Time Data, Data Integration, Data Warehousing, Metadata Management, Data Architecture, Data Migration, Unstructured Data
★ 4.7 (817) · Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Intrusion Detection and Prevention, Linux Commands
★ 5 (6) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: C++ (Programming Language), C and C++, Application Development, Program Development, Computer Programming, Programming Principles, Code Reusability, Computational Logic
★ 4.3 (14) · Beginner · Guided Project · Less Than 2 Hours

Infosec
Skills you'll gain: Linux Administration, Version Control, Linux, Git (Version Control System), Linux Servers, Linux Commands, Network Troubleshooting, Unix, Operating System Administration, Bash (Scripting Language), Systems Administration, Scripting, User Provisioning, Shell Script, User Accounts, Software Versioning, System Configuration, Unix Shell, Network Monitoring, Scripting Languages
★ 4.4 (23) · Intermediate · Course · 1 - 3 Months