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: User Experience Design, UI/UX Research, Information Architecture, Storyboarding, Wireframing, User Research, User Story, User Experience, Adobe XD, Usability Testing, Figma (Design Software), Design Reviews, User Interface and User Experience (UI/UX) Design, Design Research, User Centered Design, Persona (User Experience), Presentations, Web Design, Usability, Conceptual Design
Beginner · Professional Certificate · 3 - 6 Months

University of Michigan
Skills you'll gain: Surveys, User Research, Survey Creation, Sampling (Statistics), A/B Testing, Web Analytics, Qualitative Research, Usability Testing, Research Methodologies, Web Analytics and SEO, Data Collection, Research Design, Sample Size Determination, Analytics, Data Analysis
Beginner · Course · 1 - 3 Months

University of Colorado System
Skills you'll gain: Unreal Engine, C++ (Programming Language), Data Structures, Video Game Development, Data Storage, Object Oriented Programming (OOP), Computer Programming
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Application Programming Interface (API), Cloud API, API Design, Continuous Deployment, CI/CD, Restful API, Application Deployment, Google Cloud Platform, Continuous Integration, Middleware, Application Performance Management, JSON, Software Versioning, Proxy Servers, Scalability, Extensible Markup Language (XML)
Beginner · Course · 1 - 3 Months

University of Michigan
Skills you'll gain: Debugging, Unit Testing, Relational Databases, Object Oriented Programming (OOP), Data Transformation, Databases, Data Visualization Software, Object Oriented Design, Web Scraping, Data Science, Creative Design, Data Structures, Scatter Plots, Programming Principles, Integrated Development Environments, Python Programming, Development Testing, Computer Programming, Program Development, Diversity and Inclusion
Intermediate · Specialization · 3 - 6 Months

University of Colorado Boulder
Skills you'll gain: System Programming, Embedded Software, Linux, Embedded Systems, Debugging, Operating Systems, Peripheral Devices, Build Tools, Shell Script, C (Programming Language), Development Environment, Command-Line Interface, Configuration Management
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Android Studio, Android Development, Android (Operating System), Mobile Development, Application Development, Mobile Development Tools, User Interface (UI) Design, User Interface and User Experience (UI/UX) Design, UI Components, Human Computer Interaction, Interaction Design, Usability, Development Environment, Development Testing
Beginner · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Java Programming, Java, Object Oriented Programming (OOP), Computer Programming, Object Oriented Design, Development Environment, Programming Principles
Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: SQL, Database Systems, Database Theory, Database Management, Query Languages, Database Design, Relational Databases, Database Administration, Database Application, Data Access, Data Science, Data Analysis, Data Manipulation, Data Modeling, Data Integrity
Build toward a degree
Beginner · Course · 1 - 3 Months

Coursera
Skills you'll gain: Linux Commands, Linux, Unix Commands, Command-Line Interface, File Management, System Configuration, Linux Administration, Package and Software Management, DevOps
Beginner · Guided Project · Less Than 2 Hours

University of Colorado System
Skills you'll gain: AWS Identity and Access Management (IAM), Amazon Web Services, Amazon Elastic Compute Cloud, Cloud Computing, Cloud Security, Load Balancing, User Accounts, Apache, Web Servers, System Configuration, Command-Line Interface, Firewall, Linux, Debugging
Beginner · Course · 1 - 4 Weeks

Universidad de los Andes
Skills you'll gain: Cryptography, Security Requirements Analysis, Encryption, Data Security, Security Management, Personally Identifiable Information, Threat Management, ISO/IEC 27001, Cyber Security Policies, Information Assurance, General Data Protection Regulation (GDPR), Cybersecurity, Information Privacy, Security Awareness, Threat Detection, Cyber Risk, Human Factors, Authentications, Data Integrity, Authorization (Computing)
Beginner · Course · 1 - 4 Weeks