Codio
Skills you'll gain: OAuth, Web Development Tools, Authentications, Web Servers, Application Programming Interface (API), Cloud API, Restful API, Servers, JSON, Software Documentation, Javascript, Web Services, Application Security
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Load Balancing, Google Cloud Platform, Network Performance Management, Hybrid Cloud Computing, Proxy Servers, Scalability, TCP/IP, Servers, Cloud Security, Distributed Denial-Of-Service (DDoS) Attacks
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Operating System Administration, TCP/IP, Security Controls, Service Management, File Management, SQL, User Accounts
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Microsoft SQL Servers, SQL, Database Design, Stored Procedure, Relational Databases, Database Architecture and Administration, Query Languages, Data Integrity, Data Manipulation, Microsoft Development Tools, Scripting, Authentications, User Accounts
Beginner · Course · 1 - 3 Months

Skills you'll gain: AWS Identity and Access Management (IAM), Linux Administration, Amazon Elastic Compute Cloud, Linux Servers, Identity and Access Management, Cloud Infrastructure, Amazon Web Services, Cloud Hosting, Cloud Computing, Front-End Web Development, Cloud Management, Linux, Ubuntu, Operating System Administration, Application Deployment, React.js, Event-Driven Programming, Javascript, User Interface (UI), Apache
Intermediate · Specialization · 3 - 6 Months

Scrimba
Skills you'll gain: Node.JS, Web Frameworks, Server Side, Application Servers, Web Applications, Web Servers, Restful API, JSON, Middleware, API Design, Real Time Data, Routing Protocols
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Amazon S3, Amazon Web Services, Cloud Hosting, Version Control, Application Deployment, Cloud Storage, Web Design and Development, Public Cloud
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Secure Coding, Web Servers, Server Side, Hypertext Markup Language (HTML), Go (Programming Language), Back-End Web Development
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Linux Administration, Linux Servers, Web Servers, Lightweight Directory Access Protocols, Email Security, Linux, Nginx, Apache, Dynamic Host Configuration Protocol (DHCP), Operating System Administration, Server Administration, Active Directory, System Configuration, Proxy Servers, Network Security, Firewall, File Management, Identity and Access Management, Authentications
Advanced · Course · 1 - 3 Months

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

University of Colorado System
Skills you'll gain: Network Security, Distributed Denial-Of-Service (DDoS) Attacks, Threat Modeling, Information Systems Security, Cybersecurity, Encryption, Proxy Servers, Information Privacy, Servers, Web Servers, Cloud Hosting
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Server Side, Restful API, Ajax, Full-Stack Web Development, API Design, Node.JS, Postman API Platform, Web Applications, Application Programming Interface (API), Back-End Web Development, Web Servers, Web Development Tools, Web Development, Javascript, Front-End Web Development, Test Tools, JSON, Middleware
Advanced · Course · 1 - 3 Months