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.

Packt
Skills you'll gain: System Requirements, Virtual Networking, Network Architecture, ESXi Installation, Computer Networking, Ubuntu, Virtual Machines
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Endpoint Security, Zero Trust Network Access, Security Strategy, Security Information and Event Management (SIEM), Multi-Factor Authentication, Vulnerability Scanning, Patch Management
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Cloud Development, Microservices, Scalability, Microsoft SQL Servers, Cloud Computing Architecture, Microsoft Visual Studio, Application Deployment
Intermediate · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: vSphere Networking and Storage, Virtual Networking, vSphere DRS & HA, Storage vMotion, Role-Based Access Control (RBAC), Virtual Local Area Network (VLAN), Virtual Machines, Performance Tuning, Network Switches, Security Controls, Network Troubleshooting, Infrastructure Security, Data Storage Technologies, Capacity Management
Intermediate · Course · 1 - 3 Months

Skills you'll gain: WordPress, Ajax, Content Management Systems, Web Development, PHP (Scripting Language), Database Development, MySQL, Javascript and jQuery, Database Management, Cascading Style Sheets (CSS), User Accounts
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Routing Protocols, System Configuration, Software Architecture, Authentications
Beginner · Course · 1 - 3 Months

Skills you'll gain: Agile Project Management, Agile Methodology, Backlogs, Scrum (Software Development), Sprint Planning, Jira (Software), User Story, Project Management, Dependency Analysis, Scalability, Team Management, Dashboard, Cross-Functional Collaboration, Prioritization
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Model Evaluation, Regression Analysis, Applied Machine Learning, Data Visualization, Statistical Modeling, Feature Engineering, Predictive Modeling, Data Analysis, R Programming, Predictive Analytics, Exploratory Data Analysis, Supervised Learning, Statistical Analysis, Correlation Analysis, Probability & Statistics, Data Manipulation, Linear Algebra, Statistical Hypothesis Testing
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Android Development, Unity Engine, Mobile Development, Video Game Development, User Interface (UI), Game Design, User Interface and User Experience (UI/UX) Design, 3D Assets, C# (Programming Language), Scripting, Computer Graphics, Software Installation, Animations
Beginner · Course · 1 - 3 Months

Skills you'll gain: Model Evaluation, Supervised Learning, Data Preprocessing, Random Forest Algorithm, Applied Machine Learning, Decision Tree Learning, Feature Engineering, Machine Learning Algorithms, Classification Algorithms, Predictive Modeling, Data Analysis, Python Programming
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Mockups, Prototyping, User Interface (UI) Design, Usability, Design, Design Elements And Principles, Wireframing, User Experience Design, Layout Design, Design Software
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Key Management, Network Security, Digital Communications, Hardware Architecture
Beginner · Course · 1 - 4 Weeks