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: Intrusion Detection and Prevention, Linux Commands
★ 5 (6) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Analytics, Generative AI, Data Analysis, Data Storytelling, Data Presentation, Generative Model Architectures, Dashboard Creation, Interactive Data Visualization, Responsible AI, AI literacy, Data Synthesis, Data Literacy, Data Ethics, Large Language Modeling, Prompt Engineering, Data Manipulation, Data Preprocessing, Prompt Patterns, Data Cleansing, Query Languages
★ 4.6 (187) · Intermediate · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: ASP.NET, Frontend Integration, API Design, Middleware, Application Frameworks, Object-Relational Mapping, Model View Controller, Cascading Style Sheets (CSS)
★ 4.2 (49) · Beginner · Specialization · 1 - 3 Months

University of Glasgow
Skills you'll gain: Model Optimization, Applied Mathematics, Mathematical Modeling, Engineering Analysis, Engineering Design Process
★ 5 (32) · Beginner · Course · 1 - 4 Weeks
Xi'an Jiaotong University
Skills you'll gain: Microsoft SQL Servers, ASP.NET, File I/O, User Interface (UI), System Testing, Database Design, SQL, C# (Programming Language), Object Oriented Programming (OOP), Relational Databases, .NET Framework, Program Development, Operating Systems, Hypertext Markup Language (HTML), User Interface (UI) Design, Database Management, Object Oriented Design, Database Theory, Computer Systems, Programming Principles
★ 4.4 (112) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Prompt Engineering, Large Language Modeling, Retrieval-Augmented Generation, Generative AI Agents, Generative AI, Microsoft Azure, LLM Application, Artificial Intelligence, AI Orchestration, Agentic Workflows, OpenAI, OpenAI API, AI Workflows, Natural Language Processing, Microsoft Development Tools, Computer Vision, AI Integrations, Image Analysis, Agentic systems, Model Deployment
Intermediate · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: JUnit, Test Driven Development (TDD), Unit Testing, Software Testing, Test Case, Eclipse (Software), Test Data, Development Testing, Test Automation, Test Execution Engine, Integrated Development Environments, Test Script Development, Java, Test Tools, Maintainability, Software Design
★ 3.8 (73) · Intermediate · Specialization · 1 - 3 Months

Coursera
Skills you'll gain: API Testing, Application Programming Interface (API), Test Tools, Behavior-Driven Development, Test Automation
★ 4.4 (22) · Beginner · Guided Project · Less Than 2 Hours
University of California, Irvine
Skills you'll gain: Blockchain, Data Sharing, Transaction Processing, Fraud detection, Payment Systems, Distributed Computing, Network Model, Data Integrity, FinTech, Emerging Technologies, Data Validation, Ideation
★ 4.2 (41) · Beginner · Course · 1 - 4 Weeks

University of Manchester
Skills you'll gain: Biotechnology, Biological Engineering, Sustainable Technologies, Process Engineering, Molecular Biology, Chemical Engineering, Sustainable Engineering, Life Sciences, Biochemistry, Pharmaceuticals, Manufacturing and Production, Materials science, Drug Development, Scalability
★ 4.7 (3.6K) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Kubernetes, YAML, Cloud-Native Computing, Docker (Software), Containerization, DevOps, Microservices, Application Deployment, Configuration Management, Command-Line Interface, Multi-Tenant Cloud Environments, Infrastructure Architecture, Development Environment, Network Infrastructure, Computer Networking, Network Troubleshooting, Automation, Scalability, Scaling And Root Planing
Intermediate · Course · 1 - 3 Months

Skills you'll gain: CrewAI, Prompt Engineering, Anthropic Claude, Email Automation, Generative AI, AI Orchestration, AI Workflows, ChatGPT, Responsible AI, AI Product Strategy, Agentic Workflows, Automation, AI Enablement, Workflow Management, Report Writing, Productivity, Innovation, Operational Efficiency, Performance Reporting, Customer Support
★ 4.4 (489) · Intermediate · Specialization · 1 - 3 Months