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.

The University of Sydney
Skills you'll gain: Mental Health, Community Mental Health Services, Resilience, Psychiatry, Mental Health Diseases and Disorders, Positivity, Mental Health Therapies, Stress Management, Behavioral Health, Optimism, Rehabilitation, Psychotherapy, Cultural Responsiveness, Psychology, Creativity, Personal Development, Mindfulness, Relationship Building, Exercise Therapy
★ 4.8 (3.9K) · Mixed · Course · 1 - 3 Months

Skills you'll gain: Data Warehousing, Data Flow Diagrams (DFDs), Data Modeling, Data Pipelines, Ansible, Cloud Security, Diagram Design, Data Validation, Database Design, Apache Airflow, Star Schema, Snowflake Schema, Interviewing Skills, Apache Spark, PySpark, CI/CD, Docker (Software), SQL, Workflow Management, Git (Version Control System)
Intermediate · Professional Certificate · 3 - 6 Months

John Wiley & Sons
Skills you'll gain: AutoCAD, Computer-Aided Design, Technical Drawing, Engineering Drawings, Architectural Drawing, Design Software, Plot (Graphics), Graphical Tools, User Interface (UI), Command-Line Interface, Digital Design, UI Components, Design and Product, Design Elements And Principles, Systems Of Measurement
Beginner · Course · 1 - 3 Months

Skills you'll gain: Natural Language Processing, Recurrent Neural Networks (RNNs), Generative AI, Large Language Modeling, Token Optimization, Embeddings, Generative Model Architectures, Data Preprocessing, Data Pipelines, Artificial Neural Networks, Unstructured Data, Machine Learning Methods, Machine Learning, Model Evaluation
★ 4.4 (10) · Intermediate · Course · 1 - 4 Weeks
Skills you'll gain: Angular, Test Driven Development (TDD), Web Components, Unit Testing, Development Testing, Web Design and Development, HTML and CSS, Web Development, Test Script Development, Software Testing, Cascading Style Sheets (CSS), Web Applications, Front-End Web Development, JavaScript Frameworks, Hypertext Markup Language (HTML), Development Environment, UI Components, Application Frameworks, Javascript, Data Persistence
★ 4.3 (41) · Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Object Oriented Design, JUnit, Object Oriented Programming (OOP), Software Design Patterns, Software Engineering, Java, Unified Modeling Language, Software Design, Java Programming, Software Architecture, Model View Controller, Programming Principles, Conceptual Design
★ 4.6 (8) · Intermediate · Course · 1 - 3 Months

University of Manchester
Skills you'll gain: Laboratory Experience, Analytical Testing, Analytical Chemistry, Biochemistry, Laboratory Techniques, Laboratory Procedures, Chemistry, Laboratory Equipment, Vibrations, electromagnetics, Physics, Systems Of Measurement, Structural Analysis
★ 4.7 (2.6K) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Service Level Agreement, Data Governance, Incident Management, Problem Management, Database Management Systems, Database Software, Asset Management, Disaster Recovery, Business Continuity Planning, Data Management, Database Management, Business Continuity, Service Level, Information Technology Operations, IT Service Management, Incident Response, Security Controls, Information Systems, IT Infrastructure, IT Management
★ 4.9 (8) · Intermediate · Course · 1 - 4 Weeks

University of Toronto
Skills you'll gain: Meeting Facilitation, Presentations, Persuasive Communication, Communication, Oral Expression, Influencing, Teamwork, Collaboration, Interpersonal Communications, Business Communication, Virtual Teams, Communication Strategies, Public Speaking, Professional Development, Non-Verbal Communication, Discussion Facilitation, Telecommuting, Driving engagement, Active Listening
★ 4.8 (4.4K) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: User Interface (UI), UI/UX Research, User Research, User Interface (UI) Design, User Interface and User Experience (UI/UX) Design, Design Research, Prototyping, Usability, Figma (Design Software), Web Content Accessibility Guidelines, User Experience, User Experience Design, Interactive Design, Digital Design, User Centered Design, Design, Experience Design, Usability Testing, Design Strategies, Human Centered Design
★ 4.7 (30) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Prompt Engineering, Retrieval-Augmented Generation, Prompt Patterns, LLM Application, Generative AI Agents, Large Language Modeling, Generative AI, Tool Calling, Hugging Face, Context Engineering, Embeddings
★ 4.6 (239) · Intermediate · Course · 1 - 4 Weeks

DeepLearning.AI
Skills you'll gain: Retrieval-Augmented Generation, LangChain, JavaScript Frameworks, LLM Application, Large Language Modeling, AI Orchestration, Python Programming
★ 4.7 (26) · Intermediate · Project · Less Than 2 Hours