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: AWS CloudFormation, Infrastructure as Code (IaC), Amazon Web Services, Cloud Infrastructure, Configuration Management, Cloud Management, Software Configuration Management, IT Automation, Cloud Security, Automation
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Flask (Web Framework), Application Frameworks, Back-End Web Development, Python Programming
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Unreal Engine, 3D Modeling, Model Optimization, 3D Assets, Computer Graphics, Visualization (Computer Graphics), Virtual Environment, Animation and Game Design, Animations, Computer Graphic Techniques, Videography, Virtual Reality, Graphical Tools, Graphics Software, Data Import/Export, System Configuration
Intermediate · Specialization · 3 - 6 Months

L&T EduTech
Skills you'll gain: Hydraulics, Engineering Analysis, Engineering Calculations, Mechanical Engineering, Chemical Engineering, Process Analysis, Applied Mathematics, Mathematical Modeling, Design Specifications
★ 4.4 (59) · Intermediate · Course · 1 - 4 Weeks

EDUCBA
Skills you'll gain: IntelliJ IDEA, Integrated Development Environments, Software Development Tools, Version Control, Git (Version Control System), GitHub, Development Environment, Program Development, Debugging, Scripting Languages, Visualization (Computer Graphics), Databases, Database Management, Relational Databases, Scripting
★ 4.9 (20) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: User Interface (UI), User Story, Design Thinking, User Interface (UI) Design, Persona (User Experience), User Acceptance Testing (UAT), Visual Storytelling, User Experience
Beginner · Guided Project · Less Than 2 Hours

National Taiwan University
Skills you'll gain: Feature Engineering, Autoencoders, Machine Learning Methods, Model Optimization, Deep Learning, Supervised Learning, Regression Analysis, Statistical Machine Learning, Random Forest Algorithm, Decision Tree Learning, Applied Machine Learning, Artificial Neural Networks, Machine Learning Algorithms, Classification Algorithms, Predictive Modeling, Model Training, Dimensionality Reduction, Machine Learning, Embeddings, Model Evaluation
★ 4.9 (35) · Intermediate · Course · 3 - 6 Months

Skills you'll gain: Scalability, Restful API, Rust (Programming Language), Application Programming Interface (API), Build Tools, Package and Software Management, OS Process Management, Video Game Development, Server Side, Web Development, Program Development, Programming Principles, TCP/IP
Intermediate · Guided Project · Less Than 2 Hours

Universiteit Leiden
Skills you'll gain: Environmental Issue, Sustainable Development, Sustainable Systems, Pollution Prevention, Environment and Resource Management, Climate Change Mitigation, Environmental Policy, Environmental Science, Systems Thinking, Climate Change Adaptation, Natural Resource Management, Community Development, Biology, Energy and Utilities, Economics, Policy, and Social Studies, Discussion Facilitation
★ 4.9 (53) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Content Scheduling, Social Media Management, Social Media Analytics, Social Media Content, Instagram, Facebook, Content Performance Analysis, Social Media, Content Management, Social Media Marketing, Content Creation, Content Strategy, Content Marketing, Dashboard, Marketing
Beginner · Guided Project · Less Than 2 Hours

Campus BBVA
Skills you'll gain: Incident Response, Computer Security Incident Management, Incident Management, Security Management, Crisis Management, Cybersecurity, Cyber Attacks, Computer Security Awareness Training, Cyber Threat Intelligence, Threat Management, Cyber Risk, Security Awareness, Security Controls, Data Security, Email Security, Asset Protection, Endpoint Security, Business Process, Data Loss Prevention, Authentications
★ 4.7 (498) · Beginner · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Generative Adversarial Networks (GANs), Anomaly Detection, AI Security, Fraud detection, Model Evaluation, Malware Protection, Cybersecurity, Threat Detection, Feature Engineering, Network Analysis, Cyber Attacks, Cyber Security Strategy, Classification Algorithms, Email Security, Network Security, Jupyter, Authentications, Machine Learning Methods, Machine Learning Algorithms, Artificial Intelligence
★ 4.3 (139) · Intermediate · Specialization · 3 - 6 Months