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.

Board Infinity
Skills you'll gain: Restful API, Application Deployment, Web Development, Full-Stack Web Development, Cloud API, Application Development, Software Documentation, Data Validation
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Dataflow, Google Cloud Platform, Data Pipelines, Feature Engineering, Real Time Data, Tensorflow, Data Lakes, Apache Spark, Dashboard, Apache Kafka, Big Data, Serverless Computing, Data Warehousing, Unstructured Data, Applied Machine Learning, Data Management, Data Infrastructure, Cloud Engineering, Cloud Storage, PySpark
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Cloud Computing, Cloud Infrastructure, Cloud Services, JavaScript Frameworks, Back-End Web Development, DevOps, Full-Stack Web Development, OpenShift, Version Control, Cloud Development, CI/CD, Software Development, Cloud-Native Computing, Web Applications, Microservices, Containerization, Kubernetes, Web Development, Serverless Computing, Docker (Software)
Intermediate · Course · 1 - 4 Weeks

University of London
Skills you'll gain: Virtual Reality, Interaction Design, Augmented and Virtual Reality (AR/VR), Virtual Environment, User Interface (UI), Human Computer Interaction, Display Devices, Game Design, Human Machine Interfaces, Usability, User Experience Design
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: 3D Assets, Computer Graphics
Beginner · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: React.js, UI Components, Front-End Web Development, Web Content Accessibility Guidelines, User Interface (UI), JavaScript Frameworks, Web Development Tools, Event-Driven Programming, Web Frameworks, Functional Design, Cascading Style Sheets (CSS), Application Programming Interface (API)
Intermediate · Course · 3 - 6 Months

Coursera
Skills you'll gain: Bash (Scripting Language), Shell Script, Unix Shell, Scripting, Linux Commands, Unix Commands, Scripting Languages, Command-Line Interface, Linux, File Management, Unix, File Systems
Beginner · Guided Project · Less Than 2 Hours

LearnQuest
Skills you'll gain: Incident Response, Cyber Threat Hunting, Computer Security Incident Management, Intrusion Detection and Prevention, Cyber Threat Intelligence, Continuous Monitoring, Threat Detection, Cloud Security, Disaster Recovery, Threat Management, Firewall, Security Management, Network Security, Cybersecurity, Network Monitoring, Security Strategy, Security Controls, Information Systems Security, Infrastructure Security, Cloud Management
Advanced · Specialization · 1 - 3 Months

Simplilearn
Skills you'll gain: C (Programming Language), Data Structures, C++ (Programming Language), Computer Programming, Programming Principles, Data Management, System Programming, Algorithms
Beginner · Course · 1 - 4 Weeks
Skills you'll gain: Django (Web Framework), Performance Tuning, Postman API Platform, Restful API, Application Programming Interface (API), Data Validation, Authentications, React.js, Authorization (Computing), PostgreSQL, Object-Relational Mapping, API Design, Model View Controller, Scalability, Application Frameworks, JSON, Full-Stack Web Development, Unit Testing, Web Development, Python Programming
Advanced · Specialization · 3 - 6 Months

Meta
Skills you'll gain: React Native, Mobile Development, Cross Platform Development, UI Components, Mobile Development Tools, Application Development, iOS Development, React.js, Front-End Web Development, Android Development, User Interface (UI)
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Hardening, Distributed Denial-Of-Service (DDoS) Attacks, Incident Response, Network Architecture, Network Security, Computer Security Incident Management, Intrusion Detection and Prevention, Incident Management, Network Protocols, Threat Detection, Event Monitoring, Threat Management, Network Infrastructure, Security Controls, Cybersecurity, System Monitoring, Operating Systems, Linux, Bash (Scripting Language), Databases
Beginner · Specialization · 3 - 6 Months