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 Hong Kong University of Science and Technology
Skills you'll gain: Server Side, Restful API, Ajax, Node.JS, Web Applications, Web Servers, Web Development, Back-End Web Development, Model View Controller, Javascript, PHP (Scripting Language), Application Programming Interface (API), Authentications, JSON, Hypertext Markup Language (HTML), Software Architecture, Real Time Data, Data Storage
Intermediate · Course · 1 - 3 Months

Google Cloud
Skills you'll gain: Looker (Software), Order Fulfillment, Customer Analysis, Business Analytics, Data-Driven Decision-Making, Data Literacy, Business Intelligence, Business Intelligence Software, Order Processing, Customer Insights, Google Cloud Platform, Order Management, Dashboard, Business Analysis, Data Analysis, Sales Management, Sales, Enterprise Resource Planning
Beginner · Project · Less Than 2 Hours

University of California San Diego
Skills you'll gain: Debugging, Object Oriented Programming (OOP), Object Oriented Design, Java Programming, Java, Teaching, Programming Principles, Program Development, Computer Programming, Digital pedagogy, Education Software and Technology
★ 4.9 (39) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Test Automation, Test Script Development, Debugging, Test Case, Test Tools, Selenium (Software), Software Testing, Development Testing, API Testing, Integration Testing, Maintainability, Test Engineering, Business Process Automation, Automation, Code Reusability, Scalability
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Computer Graphics, 3D Modeling, 3D Assets, Visualization (Computer Graphics), Computer Graphic Techniques, Cinematography, Model Optimization, Art History, Graphical Tools, Image Quality, Performance Tuning, Design, Aesthetics
Intermediate · Course · 3 - 6 Months

École Polytechnique Fédérale de Lausanne
Skills you'll gain: Field-Programmable Gate Array (FPGA), Display Devices, Computer Displays, Electronics, Hardware Design, Semiconductors, Electronic Hardware, Electronic Systems, Electronic Components, Real-Time Operating Systems, Embedded Systems, Computational Logic, Embedded Software, Remote Access Systems, Control Systems, C (Programming Language)
★ 4.2 (15) · Beginner · Course · 1 - 3 Months

University of Colorado System
Skills you'll gain: Grant Writing, Institutional Review Board (IRB), Grant Applications, Proposal Writing, Proposal Development, Clinical Research Ethics, Medical Science and Research, Research Design, Resource Allocation, Peer Review, Budgeting, Constructive Feedback
★ 4.8 (36) · Intermediate · Course · 1 - 3 Months

Scrimba
Skills you'll gain: Cascading Style Sheets (CSS), UI Components, Interactive Design, HTML and CSS, User Interface (UI), Responsive Web Design, Web Design, Code Reusability, Animations, Web Development
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Context Management, Artificial Intelligence, Generative AI Agents, AI Integrations, Natural Language Processing, Web Services, Data Validation
Beginner · Course · 1 - 4 Weeks

Arizona State University
Skills you'll gain: Prototyping, Industrial Design, Functional Design, Manufacturing Processes, Cost Estimation, Materials science, Process Development, Production Process, Electronics, Electronic Components
★ 4.7 (30) · Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Prioritization, Jira (Software), Organizational Skills, Decision Making, Backlogs, Keyword Research, Project Management Software, Timelines, Strategic Prioritization, Dashboard, Issue Tracking, Query Languages, Project Management, Resource Management
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Operations Research, Supply Chain Systems, Supply Chain, Supply Chain Management, Supply Chain Planning, Operational Analysis, Process Optimization, Model Optimization, Capacity Planning, Production Planning, Data Analysis, R Programming
★ 4.4 (14) · Beginner · Guided Project · Less Than 2 Hours