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: Node.JS, Secure Coding, Application Programming Interface (API), API Design, Authentications, Server Side, MongoDB, Restful API, Full-Stack Web Development, Development Environment, Back-End Web Development, Package and Software Management, Object-Relational Mapping, Database Development, Middleware, JSON, User Accounts, Data Modeling
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Open Shortest Path First (OSPF), Virtual Local Area Network (VLAN), Wide Area Networks, Network Security, Routing Protocols, Threat Detection, Threat Management, Security Awareness, Network Administration, TCP/IP, Multiprotocol Label Switching, Network Routing, Virtual Private Networks (VPN), Network Troubleshooting, Dynamic Host Configuration Protocol (DHCP), Network Switches, Local Area Networks, Network Protocols
★ 4.6 (22) · Advanced · Course · 3 - 6 Months

Vanderbilt University
Skills you'll gain: Generative Model Architectures, Generative AI, Model Deployment, Model Evaluation, Prompt Engineering, Model Optimization, Cloud Deployment, LLM Application, Retrieval-Augmented Generation, Large Language Modeling
★ 4.8 (8) · Beginner · Course · 1 - 4 Weeks

AI CERTs
Skills you'll gain: AI Personalization, Personalized Service, Operations Support Systems, Customer Analysis, Telecommunications, Customer Retention, Network Performance Management, Responsible AI, Wireless Networks, Artificial Intelligence and Machine Learning (AI/ML), Artificial Intelligence, Network Architecture, Computer Networking, Emerging Technologies, Digital Communications, Generative AI Agents, Generative AI, Network Protocols, System Design and Implementation, Communication
★ 4.5 (19) · Advanced · Specialization · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Object Oriented Programming (OOP), Object Oriented Design, Software Documentation, Technical Documentation, Maintainability, Programming Principles, Software Design, Code Reusability, Python Programming
★ 4.5 (14) · Intermediate · Course · 1 - 3 Months

Imperial College London
Skills you'll gain: Health Systems, Health Policy, Health Assessment, Public Health and Disease Prevention, Public Health, Health Care, Health Disparities, Health Promotion, Social Determinants Of Health
★ 4.7 (84) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Infrastructure as Code (IaC), Ansible, IT Automation, Devops Tools, Infrastructure As A Service (IaaS), Jenkins, IT Infrastructure, Infrastructure Architecture, DevOps, CI/CD, Continuous Integration, Cloud Infrastructure, Serverless Computing, Application Servers, Continuous Deployment, Role-Based Access Control (RBAC), Automation, Servers, Scripting, Configuration Management
Intermediate · Specialization · 1 - 3 Months

Korea Advanced Institute of Science and Technology(KAIST)
Skills you'll gain: Differential Equations, Applied Mathematics, Advanced Mathematics, Calculus, Integral Calculus, Linear Algebra, Mathematical Theory & Analysis
★ 4.6 (13) · Beginner · Course · 1 - 3 Months

Universidade de São Paulo
Skills you'll gain: Respiration, Mental Health, Psychiatry, Psychology, Health Education, Behavioral Health, Health Care, Pulmonology, Life Sciences, Human Development, General Medicine, Biology, Culture, Neurology, Physiology, Mental Health Diseases and Disorders, Chronic Diseases, Patient Treatment
★ 5 (17) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: 3D Assets, 3D Modeling, Design Software, Data Import/Export, Graphics Software, File Management, Computer Graphic Techniques, Computer Graphics
Mixed · Course · 1 - 3 Months

Skills you'll gain: Kubernetes, Application Deployment, Prometheus (Software), Cloud-Native Computing, Docker (Software), DevOps, Containerization, Role-Based Access Control (RBAC), System Monitoring, Grafana, Public Key Infrastructure, Software Installation, Data Persistence
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Django (Web Framework), Restful API, Content Management Systems, API Design, Application Deployment, Content Management, Learning Management Systems, Docker (Software), Web Servers, Nginx, Data Modeling, Web Development, PostgreSQL, Authentications, Containerization, Ajax, Python Programming, Performance Tuning, Real Time Data
Intermediate · Course · 1 - 3 Months