Computer network courses can help you learn how data moves between devices, how networks are structured, and how to keep them secure and efficient.

Johns Hopkins University
Skills you'll gain: Bioinformatics, Unix Commands, Biostatistics, Exploratory Data Analysis, Statistical Analysis, Unix, Data Science, Data Management, Statistical Methods, Command-Line Interface, Statistical Hypothesis Testing, Linux Commands, Data Analysis Software, Data Quality, Statistical Modeling, Data Structures, Data Analysis, Molecular Biology, R Programming, Python Programming
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Devops Tools, Containerization, Docker (Software), Kubernetes, Prometheus (Software), Continuous Integration, DevOps, CI/CD, Jenkins, Application Deployment, Grafana, Application Performance Management, Continuous Deployment, Continuous Delivery, Configuration Management, Software Development Tools, Infrastructure as Code (IaC), YAML, System Monitoring, Scalability
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Flutter (Software), Mobile Development, React Native, Apple iOS, iOS Development, Android Development, UI Components, Application Deployment, Databases, User Interface (UI) Design, Product Support, Google Analytics, Marketing Strategies
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Performance Tuning, Python Programming, Distributed Computing, OS Process Management, Scalability, Web Scraping, Database Management
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Cyber Security Assessment, Security Testing, Vulnerability Assessments, Penetration Testing, Vulnerability Scanning, Threat Modeling, Vulnerability Management, Application Security, Security Strategy, Security Controls, Security Requirements Analysis, Data Security, Security Information and Event Management (SIEM)
Intermediate · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Angular, JavaScript Frameworks, TypeScript, UI Components, Data Transformation, Dataflow, Hypertext Markup Language (HTML), Network Routing, Model View Controller, Responsive Web Design
Beginner · Course · 1 - 4 Weeks

LearnKartS
Skills you'll gain: JUnit, Unit Testing, Debugging, Java, Maintainability, Software Development, Secure Coding, Software Testing, Test Case, Authentications, Application Security, Cryptography, Object Oriented Programming (OOP), Eclipse (Software), Integrated Development Environments, Encryption, Data Structures, File Management
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Application Design, Application Development, UI Components, Event-Driven Programming, Integrated Development Environments, Java Programming, User Interface (UI), Java, Software Design
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: ChatGPT, Prompt Engineering, OpenAI, LLM Application, Python Programming, Application Programming Interface (API), Application Development
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Docker (Software), CI/CD, Application Deployment, Amazon Elastic Compute Cloud, DevOps, Containerization, Cloud Hosting, Spring Boot, Continuous Deployment, Cloud Applications, Amazon Web Services, Continuous Integration, GitHub
Intermediate · Guided Project · Less Than 2 Hours

University of Colorado Boulder
Skills you'll gain: Business Writing, Business Correspondence, Business Communication, Writing, Organizational Skills, Concision, Writing and Editing, Proofreading, Grammar, Communication, Editing, Organizational Strategy, Persuasive Communication, Verbal Communication Skills, Communication Strategies
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Cascading Style Sheets (CSS), Responsive Web Design, Browser Compatibility, Hypertext Markup Language (HTML), Web Development Tools, Web Design, Web Development
Intermediate · Guided Project · Less Than 2 Hours