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: Java, Computer Programming, Data Structures, Code Reusability, Programming Principles
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Git (Version Control System), GitHub, Version Control, Open Source Technology, Collaborative Software, Microsoft Visual Studio, Software Versioning, Command-Line Interface, Code Review
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Apache Hive, Database Management, SQL, Database Management Systems, Big Data, Database Systems, Amazon Web Services, Databases, Data Management, Amazon S3, Apache Hadoop, Data Storage, Query Languages, Data Storage Technologies, Cloud Storage, Extract, Transform, Load, Data Import/Export, Performance Tuning, File Systems, File Management
★ 4.7 (299) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Database Application, ASP.NET, Database Development, .NET Framework, Database Management, Object-Relational Mapping, Back-End Web Development, Database Management Systems, Full-Stack Web Development, Database Software, C# (Programming Language), Database Design, Application Frameworks, Identity and Access Management, Authorization (Computing), Model View Controller, Authentications, Data Migration, Data Mapping, Business Logic
Intermediate · Course · 1 - 3 Months

★ 5 (14) · Advanced · Course · 1 - 4 Weeks

Northwestern University
Skills you'll gain: Resource Allocation, Data-Driven Marketing, Marketing Strategies, Marketing Analytics, Branding, Data Science, Brand Management, Analytics, Data Literacy, Data Strategy, Marketing Management, Culture Transformation, Marketing, Data Analysis, Digital Transformation, Brand Strategy, Customer Insights, Customer Engagement, Analytical Skills, Advertising
★ 4.6 (474) · Mixed · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Hypertext Markup Language (HTML), HTML and CSS, Web Design, Web Design and Development, Front-End Web Development, Web Development, Web Applications
★ 4 (8) · Beginner · Course · 1 - 4 Weeks

Microsoft
Skills you'll gain: CI/CD, Continuous Deployment, Application Deployment, Cloud Deployment, Restful API, Azure DevOps Pipelines, Middleware, Software Testing, API Design, Azure DevOps, Security Controls, Postman API Platform, API Testing
Intermediate · Course · 1 - 3 Months

University of Illinois Urbana-Champaign
Skills you'll gain: Data Mining, Text Mining, Unstructured Data, Data Analysis, Exploratory Data Analysis, Data Visualization, Data Preprocessing, Data Presentation, Data Visualization Software, Model Evaluation, Natural Language Processing, Technical Writing, Algorithms
★ 4.5 (51) · Mixed · Course · 1 - 3 Months

Skills you'll gain: Open Shortest Path First (OSPF), Virtual Local Area Network (VLAN), OSI Models, Wide Area Networks, Network Troubleshooting, TCP/IP, Wireless Networks, Cloud Computing, Network Routing, Routing Protocols, Network Security, Network Routers, Network Monitoring, Cloud Computing Architecture, Cloud Platforms, Event Monitoring, Cloud Technologies, Threat Detection, Threat Management, Network Performance Management
★ 4.7 (163) · Beginner · Specialization · 3 - 6 Months

Politecnico di Milano
Skills you'll gain: Product Lifecycle Management, Climate Change Mitigation, Energy and Utilities, Environmental Science, Sustainable Development, Mathematical Modeling, Sustainable Systems, Sustainable Technologies, Analysis, Microsoft Excel, Process Analysis, Data Literacy, Scenario Testing, Model Optimization, Open Source Technology
★ 4.3 (28) · Beginner · Course · 1 - 4 Weeks
Skills you'll gain: Telecommunications, Electronics Engineering, Electronics, Schematic Diagrams, Electrical Engineering, Communication Systems, Electronic Systems, electromagnetics, Electrical and Computer Engineering, Hardware Design, Simulation and Simulation Software, Simulations, Performance Tuning, Verification And Validation
Intermediate · Course · 1 - 4 Weeks