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.

Coursera
Skills you'll gain: Selenium (Software), Test Script Development, Test Automation, Debugging, Scripting, Automation, Web Scraping, Software Testing, Cascading Style Sheets (CSS), Test Data
Beginner · Course · 1 - 4 Weeks

DeepLearning.AI
Skills you'll gain: Generative Adversarial Networks (GANs), Generative AI, Generative Model Architectures, PyTorch (Machine Learning Library), Deep Learning, Convolutional Neural Networks, Responsible AI, Data Ethics, Model Training, Model Evaluation
Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Field-Programmable Gate Array (FPGA), Hardware Design, Electronic Hardware, Laboratory Experience, Laboratory Reports, Software Design, Application Specific Integrated Circuits, System Design and Implementation, Embedded Software, Systems Design, Embedded Systems, Electronics Engineering, Electronic Systems, Electrical and Computer Engineering, Eclipse (Software), Laboratory Testing, Test Script Development, Program Development, Microarchitecture, Computer Architecture
Build toward a degree
Intermediate · Specialization · 3 - 6 Months

Macquarie University
Skills you'll gain: Cyber Risk, Security Awareness, Cyber Attacks, Mobile Security, Cybersecurity, Cyber Security Assessment, Cyber Security Policies, Cyber Threat Hunting, Data Security, Security Strategy, Email Security, Authentications, Security Management
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: AI Product Strategy, Product Lifecycle Management, Quality Assurance and Control, Product Quality (QA/QC), Quality Assurance, Product Planning, Product Management, Release Management, Sales Strategy, New Product Development, Quality Monitoring, Performance Analysis, Product Development, Technical Product Management, Promotional Strategies, Performance Measurement, Responsible AI, Marketing Planning, Product Improvement, Campaign Planning
Beginner · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: AI Orchestration, AI Workflows, Generative AI Agents, LLM Application, Agentic systems, Tool Calling, Context Management, Retrieval-Augmented Generation, Data Persistence
Beginner · Course · 1 - 3 Months

University of Illinois Urbana-Champaign
Skills you'll gain: Process Engineering, Biotechnology, Chemical Engineering, Production Process, Pharmaceuticals, Cell Cultures, Scalability, Biological Engineering, Microbiology, Laboratory Research, Molecular, Cellular, and Microbiology, Biochemistry, Process Development, Process Analysis
Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Internet Of Things, API Design, Amazon Web Services, Embedded Software, Cloud Computing Architecture, Application Programming Interface (API), Network Protocols, Microservices, Cloud Applications, Cloud Services, Communication Systems, Middleware, Cloud Platforms, Embedded Systems, Information Systems Security, Telecommunications, Cloud Technologies, Interoperability, Cybersecurity, Cloud-Based Integration
Build toward a degree
Intermediate · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Computational Thinking, Data Analysis, Data Literacy, Analysis, C (Programming Language), Statistical Analysis, Data Presentation, Programming Principles, Computer Programming, Descriptive Statistics
Beginner · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Java Platform Enterprise Edition (J2EE), Application Deployment, Web Applications, Application Servers, Java, Web Servers, Java Programming, Web Development, Server Side
Intermediate · Course · 1 - 4 Weeks

Universidad Nacional Autónoma de México
Skills you'll gain: NoSQL, Data Warehousing, Database Systems, Database Theory, Relational Databases, Database Management, Extract, Transform, Load, SQL, Databases, Data Mining, Database Development, Business Intelligence, Database Application, Database Management Systems, Big Data, Information Systems, Database Design, MongoDB, Scalability, Database Software
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Design Software, Diagram Design, Technical Design, Design, Open Source Technology, Software Installation, Data Import/Export
Intermediate · Course · 1 - 4 Weeks