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.

John Wiley & Sons
Skills you'll gain: Prompt Engineering, Generative AI, Prompt Patterns, Responsible AI, Large Language Modeling, Artificial Intelligence and Machine Learning (AI/ML), Context Engineering, Artificial Intelligence, Data Ethics, Concision, Token Optimization, LLM Application, AI powered creativity, Natural Language Processing, Interaction Design
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Secure Coding, Unit Testing, Cryptography, Performance Testing, LLM Application, Encryption, Authentications, Application Security, Authorization (Computing), Test Driven Development (TDD), Test Tools, Test Automation, Large Language Modeling, ASP.NET, .NET Framework, C# (Programming Language), Application Deployment, Object Oriented Design, General Data Protection Regulation (GDPR), Cloud Platforms
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Android Studio, Kotlin, Android Jetpack, Android Development, Android (Operating System), Mobile Development, Unit Testing, Gradle, Mobile Development Tools, User Interface (UI), UI Components, Code Reusability, Application Development, Integrated Development Environments, User Interface (UI) Design, Object Oriented Programming (OOP), Cross Platform Development, Test Driven Development (TDD), Wireframing, Prototyping
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: API Testing, Open Web Application Security Project (OWASP), Postman API Platform, Application Programming Interface (API), Security Testing, Penetration Testing, AI Integrations, Restful API, Continuous Monitoring, Application Security, Vulnerability Assessments, Exploit development, Vulnerability Scanning, Test Tools, Software Documentation, Exploitation techniques, Authentications, JSON, Security Management, Docker (Software)
Intermediate · Course · 1 - 3 Months

KodeKloud
Skills you'll gain: Load Balancing, Linux Administration, Linux Servers, Web Servers, Firewall, Linux, Network Administration, Network Routing, Proxy Servers, Server Administration, Application Deployment, System Configuration, Linux Commands, Event-Driven Programming, Web Applications, Computer Networking, Network Security, Servers, Configuration Management, DevOps
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Excel Formulas, Data Cleansing, Pivot Tables And Charts, Spreadsheet Software, Data Wrangling, Microsoft Excel, Data Analysis, Data Quality, Google Sheets, Data Manipulation, Data Integrity, Data Ethics, Data Entry, Data Import/Export, Data Science
Beginner · Course · 1 - 3 Months

University of Alberta
Skills you'll gain: Agile Software Development, Project Risk Management, Requirements Analysis, Agile Methodology, Agile Project Management, Kanban Principles, Risk Management, Requirements Elicitation, Sprint Retrospectives, Functional Requirement, Sprint Planning, Software Development Methodologies, Agile Product Development, Software Development, Risk Analysis, Scrum (Software Development), Software Technical Review, Risk Management Framework, Product Management, Project Management
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Google Cloud Platform, Amazon Web Services, AWS Identity and Access Management (IAM), Virtual Private Networks (VPN), Identity and Access Management, Cloud Infrastructure, Cloud Computing Architecture, Cloud Computing, Virtual Networking, Network Routing, Firewall, Network Security, Border Gateway Protocol, Wide Area Networks, User Accounts, Load Balancing
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: File I/O, Object Oriented Programming (OOP), Java, Integrated Development Environments, Object Oriented Design, Java Programming, Development Environment, Maintainability, Computer Programming Tools, Software Development Tools, Software Design, Data Structures, Program Development, Data Persistence, Software Architecture, Debugging, Memory Management, Code Reusability, Programming Principles, File Management
Beginner · Specialization · 1 - 3 Months

Peking University
Skills you'll gain: C (Programming Language), Data Structures, Programming Principles, Computer Science, Computer Architecture, Computer Programming, Quantum computing, Computational Thinking, Computer Hardware, Data Storage
Mixed · Course · 3 - 6 Months

Skillshare
Skills you'll gain: Network Model, 3D Assets, 3D Modeling, Visualization (Computer Graphics), Computer Graphics, Graphical Tools, Computer Graphic Techniques, Dataflow, Scalability, Debugging
Beginner · Course · 1 - 4 Weeks

University of Alberta
Skills you'll gain: Software Architecture, Model View Controller, Unified Modeling Language, Object Oriented Design, Service Oriented Architecture, API Design, Systems Architecture, Web Services, Software Design Patterns, Software Design, Simple Object Access Protocol (SOAP), Microservices, Restful API, Software Design Documents, Software Visualization, Code Review, Product Family Engineering, Object Oriented Programming (OOP), Software Development, Java
Beginner · Specialization · 3 - 6 Months