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: Security Testing, Application Security, Open Web Application Security Project (OWASP), Software Testing, Secure Coding, Test Tools, Regression Testing, Unit Testing, Penetration Testing, Security Controls, Computer Security, Test Driven Development (TDD), Debugging, User Acceptance Testing (UAT), Computer Programming, Python Programming, Node.JS, Information Privacy, JavaScript Frameworks, Javascript
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Apache Airflow, Virtual Networking, Amazon Web Services, Network Engineering, Network Architecture, Network Routing, Data Pipelines, Network Security, Microservices, Event-Driven Programming, Scalability
Intermediate · Course · 1 - 4 Weeks

Universidade Estadual de Campinas
Skills you'll gain: Laboratory Testing, Patient Evaluation, Product Testing, Personal Care, Biology, Pharmaceuticals, Pharmacology, Chemistry, Health Care Procedure and Regulation, Physiology, Geriatrics, Preventative Care, Biochemistry, Radiation Protection, Clinical Assessment, Molecular Biology
★ 4.8 (246) · Beginner · Course · 1 - 3 Months
Korea Advanced Institute of Science and Technology(KAIST)
Skills you'll gain: Semiconductors, Electronics Engineering, Electronics, Process Engineering, Manufacturing Processes, Production Process, Electronic Components, Chemical Engineering, Materials science, Chemistry, Data Storage Technologies
★ 4.6 (19) · Intermediate · Course · 1 - 3 Months

L&T EduTech
Skills you'll gain: Construction, General Construction and Construction Labor, Construction Engineering, Building Codes, Construction Management, Building Information Modeling, Construction Estimating, Cost Estimation, Architecture and Construction, Structural Engineering, Drafting and Engineering Design, Blueprint Reading, Assembly Drawing, Engineering Drawings, Civil and Architectural Engineering, Construction Inspection, Safety Standards, Engineering Practices, Visualization (Computer Graphics), Failure Analysis
★ 4.8 (25) · Advanced · Specialization · 1 - 3 Months

Simplilearn
Skills you'll gain: Backlogs, Scrum (Software Development), Sprint Retrospectives, Sprint Planning, Agile Software Development, Agile Methodology, Agile Project Management, Agile Product Development, Product Requirements, Product Management, Meeting Facilitation, Quality Assurance, Communication
Beginner · Course · 1 - 4 Weeks

Samsung
Skills you'll gain: Hardware Troubleshooting, Electrical Safety, Technical Support, Test Equipment, Safety and Security
★ 4.3 (10) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Secure Coding, Kotlin, Mobile Security, Android (Operating System), Android Development, Open Web Application Security Project (OWASP), Mobile Development, Security Architecture Review, Application Security, Security Testing, Mobile Development Tools, Data Validation, Data Cleansing, Application Deployment
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: 3D Assets, Unity Engine, Video Game Development, Animation and Game Design, Computer Graphics, Game Design, Computer Graphic Techniques, Animations, Software Installation, Scripting
Beginner · Course · 1 - 3 Months

Fred Hutchinson Cancer Center
Skills you'll gain: Bioinformatics, Molecular, Cellular, and Microbiology, Molecular Biology, Data Collection, Biochemical Assays, Data Processing, Research, Science and Research, General Science and Research, Laboratory Techniques, Analysis, Research Methodologies, Research Design
★ 3.5 (10) · Intermediate · Course · 1 - 3 Months

Università di Napoli Federico II
Skills you'll gain: Political Sciences, Policy Analysis, Social Sciences, International Relations, Public Policies, Governance, Research Methodologies, Case Studies
★ 4.5 (39) · Beginner · Course · 1 - 4 Weeks

Packt
Skills you'll gain: Node.JS, Open Web Application Security Project (OWASP), Application Deployment, JavaScript Frameworks, Web Frameworks, Test Driven Development (TDD), Cloud Deployment, Secure Coding, Authentications, Web Development, Development Testing, Jest (JavaScript Testing Framework), Full-Stack Web Development, Web Applications, Application Security, Test Script Development, Javascript, CI/CD, Back-End Web Development, Front-End Web Development
Beginner · Course · 3 - 6 Months