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: Generative AI, Generative Model Architectures, Large Language Modeling, LLM Application, Generative Adversarial Networks (GANs), Retrieval-Augmented Generation, OpenAI, Hugging Face, OpenAI API, Multimodal Prompts, Responsible AI, AI Security, Autoencoders, Model Deployment, Fine-tuning, Application Deployment
★ 4.5 (11) · Intermediate · Course · 1 - 3 Months

Packt
Skills you'll gain: MongoDB, Database Design, Database Development, Data Modeling, Security Controls, Query Languages, Data Security, Database Architecture and Administration, NoSQL, System Monitoring, Vector Databases, Data Storage Technologies, Database Management Systems, Database Management, Development Environment, Performance Tuning, Scalability, Encryption, Data Transformation
Intermediate · Course · 3 - 6 Months

Skills you'll gain: React.js, JavaScript Frameworks, UI Components, Web Applications, Data Validation
Intermediate · Course · 1 - 4 Weeks

ISC2
Skills you'll gain: System Configuration, Configuration Management, Cyber Operations, Cybersecurity, Security Awareness, Computer Security Awareness Training, Data Security, Security Controls, Security Management, Event Monitoring, Encryption, Network Security, Continuous Monitoring, Network Administration, IT General Controls (ITGC), Cyber Security Policies, Information Technology Operations, System Monitoring, Patch Management, Cryptography
★ 4.7 (207) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Object Oriented Design, File I/O, Integrated Development Environments, Functional Design
Beginner · Course · 3 - 6 Months

Skills you'll gain: JUnit, Unit Testing, IntelliJ IDEA, Apache Maven, Software Testing, Test Case, Testability, Java Programming, Test Tools, Integrated Development Environments, Test Automation, Java, Software Architecture, Business Logic, Data Persistence
★ 4.8 (8) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Back-End Web Development, Full-Stack Web Development, Server Side, Restful API, JavaScript Frameworks, Web Development, Web Frameworks, Frontend Integration, Web Applications, Web Servers, Javascript, Servers
Intermediate · Guided Project · Less Than 2 Hours

Coursera
Skills you'll gain: Pandas (Python Package), Data Analysis, Data Manipulation, Python Programming
★ 4.6 (182) · Beginner · Guided Project · Less Than 2 Hours

Edureka
Skills you'll gain: Data Management, Data Governance, Systems Architecture, Software Installation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Automation, No-Code Development, IT Automation, Business Process Automation, Workflow Management, Productivity Software, Digital Transformation, Process Optimization, Artificial Intelligence, Artificial Intelligence and Machine Learning (AI/ML)
★ 4.4 (29) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Jenkins, Selenium (Software), GitHub, Git (Version Control System), Performance Testing, Continuous Integration, CI/CD, Apache Maven, Version Control, Test Script Development, Test Automation, System Testing, Test Tools, Object Oriented Programming (OOP), Continuous Delivery, Test Data, Java Programming, Java, Test Case, Software Testing
★ 4.4 (7) · Beginner · Specialization · 3 - 6 Months

DeepLearning.AI
Skills you'll gain: Model Optimization, PyTorch (Machine Learning Library), Model Deployment
★ 4.7 (6) · Intermediate · Project · Less Than 2 Hours