Back end courses can help you learn server-side programming, database management, API development, and cloud computing. You can build skills in data modeling, performance optimization, and security practices. Many courses introduce tools like Node.js, Express, and SQL databases, along with methods for integrating third-party services and managing user authentication.

Skills you'll gain: Ubuntu, Package and Software Management, Bash (Scripting Language), Linux Servers, Linux Administration, Unix, Linux, Shell Script, Unix Shell, Server Administration, Operating System Administration, Linux Commands, Systems Administration, User Accounts, Servers, System Monitoring, User Provisioning, Command-Line Interface, Software Installation, Computer Security
Intermediate · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Ansible, Scalability, Debugging, Scripting, Infrastructure as Code (IaC), Verification And Validation, Devops Tools, Automation, YAML, Maintainability, Configuration Management
Intermediate · Course · 1 - 4 Weeks

Simplilearn
Skills you'll gain: Reinforcement Learning, Model Evaluation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: GitHub, C# (Programming Language), Git (Version Control System), .NET Framework, Microsoft SQL Servers, Microsoft Visual Studio, Database Development, Application Development, Query Languages, Event-Driven Programming, Data Validation, Debugging
Intermediate · Course · 1 - 4 Weeks

Yale University
Skills you'll gain: Health Promotion, Digital Advertising, Behavioral Health, Driving engagement, Digital Communications, Persuasive Communication, Program Evaluation, Public Health, Survey Creation, Data Collection
Intermediate · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: NSX-T Network Virtualization, Software-Defined Networking, Zero Trust Network Access, Virtual Networking, Virtual Local Area Network (VLAN), Network Switches, Network Architecture, Network Routing, Network Security, Load Balancing, Network Performance Management, Firewall, Network Protocols, Scalability
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: C# (Programming Language), Object Oriented Programming (OOP), Microsoft Visual Studio, Debugging, .NET Framework, Object-Relational Mapping, Full-Stack Web Development, Development Environment, Software Testing, Application Development, Command-Line Interface, Data Structures
Intermediate · Course · 1 - 3 Months

Packt
Skills you'll gain: Ajax, JavaScript Frameworks, Web Applications, Javascript, Web Development Tools, Model View Controller, Event-Driven Programming, UI Components, HTML and CSS, Data Mapping, User Interface (UI), Routing Protocols, Restful API
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: HTML and CSS, Web Design, Hypertext Markup Language (HTML), Creative Design, Cascading Style Sheets (CSS), User Interface (UI), Web Development, Usability, Information Architecture
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Unreal Engine, Animation and Game Design, Virtual Environment, 3D Assets, Visualization (Computer Graphics), User Interface (UI), Debugging
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Firewall, Zero Trust Network Access, Linux Administration, Network Security, Security Strategy, Remote Access Systems, Linux, Security Controls, Unix, Ubuntu, Systems Administration, System Configuration
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Digital Marketing, Market Analysis, Branding, Product Lifecycle Management
Mixed · Course · 1 - 3 Months