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.

Simplilearn
Skills you'll gain: Convolutional Neural Networks, Image Analysis, Computer Vision, Deep Learning, Artificial Neural Networks, Model Training
Beginner · Course · 1 - 4 Weeks

Infosec
Skills you'll gain: Threat Detection, Cyber Security Strategy, System Monitoring, Cybersecurity, Cyber Operations, Continuous Monitoring, Network Security, Network Monitoring, Python Programming, Scripting, Scripting Languages
★ 4.5 (86) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Model Evaluation, Scikit Learn (Machine Learning Library), Data Visualization, Feature Engineering, Data Preprocessing, Model Training, Customer Analysis, Predictive Modeling, Scientific Visualization, Predictive Analytics, Marketing Analytics, Applied Machine Learning, Online Advertising, Data-Driven Marketing, Logistic Regression, Data Cleansing, Data Manipulation, Machine Learning, Python Programming, Deep Learning
★ 4.6 (10) · Beginner · Guided Project · Less Than 2 Hours

Coursera
Skills you'll gain: User Feedback, Usability, Functional Testing, Root Cause Analysis, Product Improvement, Journey Mapping, UI/UX Research, Experience Design, User Experience, Conversion Funnel Analysis, User Interface (UI) Design, Integration Testing, Product Quality (QA/QC), Application Design, Prioritization
Intermediate · Course · 1 - 4 Weeks

École Polytechnique Fédérale de Lausanne
Skills you'll gain: Governance, Economic Development, Environmental Issue, Land Development, Land Management, Environment, Economics, Civil Engineering, Public Administration, Community Development, Social Sciences, Finance, Socioeconomics, Climate Change Adaptation, Sustainable Development, Spatial Analysis, Demography, Climate Change Mitigation
★ 4.7 (45) · Intermediate · Course · 1 - 3 Months

DeepLearning.AI
Skills you'll gain: Transfer Learning, Debugging, Deep Learning, Applied Machine Learning, AI Enablement, Model Training, Artificial Intelligence and Machine Learning (AI/ML), Data-Driven Decision-Making, Machine Learning Methods, Machine Learning, Model Evaluation, Estimation
Beginner · Course · 1 - 4 Weeks
University of Glasgow
Skills you'll gain: Deep Learning, Data Preprocessing, Autoencoders, Machine Learning Methods, Artificial Neural Networks, Convolutional Neural Networks, Recurrent Neural Networks (RNNs), Medical Records, Model Optimization, Health Informatics, Electocardiography, Electronic Medical Record, Predictive Modeling, Embeddings, Applied Machine Learning, Data Cleansing, Time Series Analysis and Forecasting, Dimensionality Reduction, Model Evaluation
★ 4 (8) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Node.JS, Back-End Web Development, User Accounts, Server Side, Swift Programming, Full-Stack Web Development, Web Development, Programming Principles, Real Time Data, iOS Development, Apple iOS, Frontend Integration, Web Applications, Restful API, Authentications, Data Management, UI Components, User Interface (UI), Data Security
Advanced · Course · 1 - 4 Weeks

Alex Genadinik
Skills you'll gain: Habit Formation, Empathy, Stress Management, Self-Discipline, Growth Mindedness, Time Management, Creativity, Empathy & Emotional Intelligence, Self-Awareness, Goal Setting, Calendar Management, Emotional Intelligence, Organizational Skills, Personal Development, Resilience, Productivity, Stress First Aid, Prioritization, Overcoming Obstacles, Mindfulness
★ 4.4 (11) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Tableau Software, Data Visualization Software, Data Analysis, Dashboard, Dashboard Creation
★ 4.8 (22) · Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Model Deployment, PyTorch (Machine Learning Library), Model Optimization, Recurrent Neural Networks (RNNs), Tensorflow, Artificial Intelligence, Model Training, Applied Machine Learning, Artificial Intelligence and Machine Learning (AI/ML), Application Deployment, Large Language Modeling, Text Mining, Artificial Neural Networks, Machine Learning, Natural Language Processing, Deep Learning, Predictive Modeling, Classification Algorithms, Time Series Analysis and Forecasting, Network Architecture
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Browser Compatibility, Responsive Web Design, HTML and CSS, Cascading Style Sheets (CSS), Web Design and Development, Web Design, Extensible Markup Language (XML), Extensible Languages and XML, Hypertext Markup Language (HTML), Maintainability
Mixed · Course · 1 - 4 Weeks