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.

Skills you'll gain: React.js, UI Components, User Interface (UI), Web Applications, User Interface (UI) Design, User Accounts, Front-End Web Development, User Interface and User Experience (UI/UX) Design, Secure Coding, Javascript, Event-Driven Programming, Authorization (Computing), Authentications
Intermediate · Course · 1 - 4 Weeks

Pragmatic AI Labs
Skills you'll gain: GitHub Copilot, Object-Relational Mapping, Restful API, Code Review, Test Case, API Testing, Software Testing, Test Script Development, Test Automation, Development Testing, Business Logic, Application Development, AI Workflows, Requirements Analysis, GitHub, API Design, Application Programming Interface (API), Software Technical Review, Software Architecture, Data Integrity
Intermediate · Course · 1 - 4 Weeks

Universitat Autònoma de Barcelona
Skills you'll gain: Sustainable Design, Sustainable Technologies, Sustainable Systems, Sustainable Business, Sustainable Development, Sustainable Engineering, Systems Thinking, Socioeconomics, Environmental Science, Environment and Resource Management, Environmental Issue, Waste Minimization, Product Lifecycle Management, Natural Resource Management, Environmental Regulations, Systems Analysis, Environmental Policy, Energy and Utilities, Analysis, Resource Utilization
★ 4.7 (16) · Beginner · Course · 1 - 3 Months

Dassault Systèmes
Skills you'll gain: Shared Media, Driving engagement, Discussion Facilitation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Data Science, Unsupervised Learning, Exploratory Data Analysis, Probability & Statistics, Machine Learning Algorithms, Applied Machine Learning, Classification And Regression Tree (CART), Data Analysis, Python Programming, Random Forest Algorithm, Dimensionality Reduction, Predictive Modeling, NumPy, Regression Analysis, Statistical Analysis, Data Processing, Deep Learning, Pandas (Python Package), Data Visualization, Data Manipulation
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Cascading Style Sheets (CSS), Hypertext Markup Language (HTML), Responsive Web Design, HTML and CSS, Web Design, Web Design and Development, Interactive Design, Front-End Web Development, User Interface (UI), Web Content
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: ISO/IEC 27001, Threat Management, Security Management, Risk Management Framework, Data Security, Cyber Risk, Risk Management, Vulnerability Management, Continuous Monitoring, Vulnerability Assessments, Cyber Security Policies, Security Controls, Governance Risk Management and Compliance, Cybersecurity, Information Systems, Scenario Testing, Asset Protection, Continuous Improvement Process
★ 5 (7) · Beginner · Course · 3 - 6 Months

Skills you'll gain: Meta Ads Manager, Facebook, Online Advertising, Advertising Campaigns, Paid media, Digital Advertising, Advertising, Social Media Marketing, Social Media, Digital Marketing Tools, Payment Processing, Payment Processing and Collection
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: User Story, Agile Methodology, Version Control, Persona (User Experience), Kanban Principles
Intermediate · Course · 1 - 4 Weeks

Whizlabs
Skills you'll gain: Virtual Networking, Microsoft Azure, Network Troubleshooting, Virtual Private Networks (VPN), Network Architecture, Load Balancing, Network Administration, Virtual Machines, Security Controls, Network Security, Network Infrastructure, Network Monitoring, Scalability, Hybrid Cloud Computing, Endpoint Security, Distributed Denial-Of-Service (DDoS) Attacks
★ 4.1 (22) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Code Reusability, Content Management Systems, Authentications, Authorization (Computing), Content Management, Secure Coding, TypeScript, Maintainability, Application Programming Interface (API), Web Analytics and SEO, Restful API, Web Applications, Control Panels, Role-Based Access Control (RBAC), Software Installation, Data Modeling
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Human Factors (Security), User Experience Design, Usability, User Experience, Experience Design, User Interface and User Experience (UI/UX) Design, Threat Modeling, UI/UX Strategy, Application Security, Human Factors, Authentications, UI/UX Research, Human Centered Design, Security Strategy, Authorization (Computing), User Story, Security Controls, Cybersecurity, Safety Standards, Information Privacy
Intermediate · Course · 1 - 3 Months