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.

Whizlabs
Skills you'll gain: Puppet (Configuration Management Tool), Devops Tools, Software Configuration Management, Software Installation, Infrastructure as Code (IaC), Package and Software Management, Systems Architecture, System Configuration, DevOps, Configuration Management, Development Environment, Infrastructure Architecture, Data Store
★ 3.1 (8) · Beginner · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Cloud Applications, Cloud Development, Cloud-Native Computing, Google Cloud Platform, Cloud API, Application Development, Data Store, Cloud Hosting, Cloud Storage, Cloud Services, Software Development, Data Storage, Cloud Platforms
★ 4.4 (29) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Google Cloud Platform, Cloud Deployment, YAML, Restful API, Software Configuration Management, Load Balancing, Configuration Management
★ 4.9 (8) · Intermediate · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: Responsive Web Design, Cascading Style Sheets (CSS), HTML and CSS, Front-End Web Development, Web Design
★ 4.9 (27) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Distributed Denial-Of-Service (DDoS) Attacks, Azure Active Directory, Microsoft Azure, Cyber Security Policies, Cloud Security, Firewall, Cyber Attacks, Cybersecurity, Malware Protection, Cyber Threat Intelligence, Identity and Access Management, Network Security, Endpoint Detection and Response, Threat Management, Endpoint Security, Security Information and Event Management (SIEM), Threat Detection, Security Controls, Intrusion Detection and Prevention, Event Management
★ 5 (7) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: IntelliJ IDEA, Integrated Development Environments, Software Development Tools, Development Environment, Scala Programming, Build Tools, Program Development, Software Development, Software Engineering
★ 4.5 (24) · Beginner · Guided Project · Less Than 2 Hours

University of Colorado System
Skills you'll gain: Nutrition Education, Community Health, Nutrition and Diet, Health Education, Health Promotion, Public Health, Public Health and Disease Prevention, Child Health, Preventative Care, Health Disparities, Working With Children, Health Equity, Family Support, Exercise Science, Community Development, Student Engagement, Community Outreach, Student Support and Services, Health Policy
★ 4.7 (882) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Mainframe Computing, Mainframe Technologies, z/OS, Virtualization, Virtualization and Virtual Machines, Virtual Machines, Hardware Architecture, Infrastructure Architecture, Computing Platforms, Computer Architecture, Enterprise Security, Computer Hardware, Cryptography, Transaction Processing, System Configuration, Authorization (Computing), Identity and Access Management, Memory Management
★ 4.7 (1.1K) · Beginner · Course · 1 - 4 Weeks

The Expert Academy
Skills you'll gain: Professional Networking, Active Listening, Persuasive Communication, Influencing, Relationship Building, Leadership, Executive Presence, Stakeholder Communications, Professionalism, Strategic Leadership, Relationship Management, Trustworthiness, Stakeholder Management, Stakeholder Engagement, Professional Development, Rapport Building, Communication, Stakeholder Analysis, Emotional Intelligence, Empathy
Intermediate · Course · 1 - 4 Weeks

École Polytechnique Fédérale de Lausanne
Skills you'll gain: Environmental Engineering, Environmental Resource Management, Pollution Prevention, Sustainable Development, Sustainable Systems, Sustainable Technologies, Environment and Resource Management, Environmental Issue, Governance, Environmental Regulations, Environmental Policy, Community Development, Cost Management, Case Studies
★ 4.8 (3.6K) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Information Systems, Management Information Systems, Business Systems, Information Technology, Information Systems Security, Business Technologies, Information Management, Decision Support Systems, Open Source Technology, Business Systems Analysis, Technology Strategies, Systems Analysis, Emerging Technologies, Software Systems, Computing Platforms, Mobile Security, Web Applications, Operational Efficiency, Computer Hardware, Strategic Decision-Making
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Containerization, Node.JS, CI/CD, Kubernetes, MongoDB, Full-Stack Web Development, Back-End Web Development, JavaScript Frameworks, Application Deployment, Continuous Integration, Server Side, Microservices, Frontend Integration, NoSQL, API Design, Software Technical Review, Continuous Deployment, Web Development, Databases, Database Development
★ 4.6 (11) · Advanced · Course · 1 - 3 Months