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.

Johns Hopkins University
Skills you'll gain: Artificial Neural Networks, Applied Machine Learning, Deep Learning, Linear Algebra, Machine Learning, Digital Signal Processing, Data Processing, Data Structures, Data Transformation, Algorithms, Data Science
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Malware Protection, Identity and Access Management, Incident Response, Cybersecurity, Computer Security Incident Management, Network Security, Threat Management, Cyber Attacks, Authentications, Distributed Denial-Of-Service (DDoS) Attacks, Security Awareness, Security Controls, Cyber Security Policies, Authorization (Computing), Multi-Factor Authentication, Human Factors (Security)
Beginner · Course · 1 - 3 Months

Scrimba
Skills you'll gain: Typography, Responsive Web Design, Cascading Style Sheets (CSS), HTML and CSS, UI Components, Web Design, Web Design and Development, Front-End Web Development, Animations, Mockups, User Interface (UI), User Interface (UI) Design, Web Development, Debugging
Intermediate · Specialization · 1 - 3 Months

Microsoft
Skills you'll gain: Microsoft Copilot, User Interface and User Experience (UI/UX) Design, User Interface (UI), User Interface (UI) Design, UI Components, Web Components, Microsoft Development Tools, Frontend Performance, Front-End Web Development, Performance Tuning, Data Management, Event-Driven Programming, Application Frameworks, Web Applications, Server Side, Debugging
Beginner · Course · 1 - 3 Months

Skills you'll gain: Ggplot2, Data Visualization Software, Data Visualization, Statistical Visualization, Rmarkdown, Shiny (R Package), Plot (Graphics), Dashboard Creation, Dashboard, Leaflet (Software), Interactive Data Visualization, Data Presentation, R (Software), R Programming, Scatter Plots, Graphing, Box Plots, Geospatial Information and Technology, Data Science, Data Analysis
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Frontend Integration, Web Applications, API Design, User Interface (UI), Databases, GitHub, Dashboard Creation, Data Validation
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Computer Architecture, Mainframe Computing, Mainframe Technologies, Microarchitecture, Systems Architecture, Hardware Architecture, Data Storage, Computer Science, Programming Principles, System Programming, Data Structures, Computational Logic, Computer Hardware, Program Development, Computer Programming, Memory Management
Intermediate · Course · 1 - 3 Months

University of California, Irvine
Skills you'll gain: Electronics, Internet Of Things, Electronic Components, Embedded Systems, Basic Electrical Systems, Electronic Hardware, Electrical and Computer Engineering, Wireless Networks, Hardware Design, Peripheral Devices, Electrical Wiring, Control Systems, Human Machine Interfaces, Automation Engineering, Programming Principles, Computer Systems, Computer Programming, Systems Engineering, Remote Access Systems, Interactive Learning
Mixed · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: React.js, Debugging, Front-End Web Development, Web Development, JavaScript Frameworks, HTML and CSS, UI Components, Javascript, Cascading Style Sheets (CSS)
Intermediate · Guided Project · Less Than 2 Hours

Google Cloud
Skills you'll gain: Prompt Engineering, Gemini, Google Gemini, Prompt Patterns, Multimodal Prompts, Prompt Engineering Tools, Generative AI, LLM Application, Model Optimization, Fine-tuning, Model Deployment, Prototyping
Beginner · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Spring Framework, Object-Relational Mapping, Transaction Processing, Data Persistence, Spring Boot, Database Management, Database Systems, Data Access, Restful API, Web Services, Data Management
Intermediate · Course · 1 - 4 Weeks

Instituto Tecnológico de Aeronáutica
Skills you'll gain: User Story, Agile Software Development, Backlogs, Agile Methodology, Scrum (Software Development), User Requirements Documents, Sprint Retrospectives, Agile Product Development, Test Driven Development (TDD), Agile Project Management, Requirements Elicitation, Requirements Analysis, Sprint Planning, Software Development Methodologies, Software Engineering, Program Development, Diagram Design, Software Development, Collaborative Software
Intermediate · Course · 1 - 4 Weeks