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: Routing Protocols, Network Monitoring, Network Performance Management, Virtual Private Networks (VPN), Open Shortest Path First (OSPF), Network Routing, Network Troubleshooting, Network Security, Border Gateway Protocol, TCP/IP, Network Protocols, Multiprotocol Label Switching, Network Infrastructure, Wide Area Networks, Firewall, Authentications, Debugging
Intermediate · Course · 3 - 6 Months

Google Cloud
Skills you'll gain: Webpack, Cascading Style Sheets (CSS), Hypertext Markup Language (HTML), Web Development Tools, Web Development, Javascript, Google Cloud Platform, Build Tools, Image Quality, Cloud Computing
Beginner · Project · Less Than 2 Hours

Board Infinity
Skills you'll gain: Ansible, IT Automation, YAML, Enterprise Architecture, DevSecOps, Scalability, CI/CD, Automation, Red Hat Enterprise Linux, Debugging, Scripting, Infrastructure as Code (IaC), Configuration Management, Hardening, Enterprise Security, Devops Tools, Development Environment, Verification And Validation, Patch Management, DevOps
Beginner · Specialization · 1 - 3 Months

Board Infinity
Skills you'll gain: Backlogs, Agile Product Development, Product Roadmaps, Stakeholder Communications, Release Management, Stakeholder Engagement, User Story, Stakeholder Management, Agile Methodology, Innovation, CI/CD, Product Lifecycle Management, Product Development, Prioritization, Scope Management, Maintainability
Intermediate · Course · 1 - 4 Weeks

Whizlabs
Skills you'll gain: Role-Based Access Control (RBAC), Authentications, Azure Active Directory, Identity and Access Management, User Provisioning, Multi-Factor Authentication, Authorization (Computing), Zero Trust Network Access, Single Sign-On (SSO)
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Application Deployment, GitHub, Unit Testing, System Monitoring, Performance Testing
Intermediate · Course · 1 - 4 Weeks

Amazon Web Services
Skills you'll gain: Virtual Private Networks (VPN), Amazon Web Services, AWS Identity and Access Management (IAM), Network Security, Remote Access Systems, Amazon Elastic Compute Cloud, Command-Line Interface, Control Panels, End User Training and Support
Mixed · Course · 1 - 4 Weeks

Packt
Skills you'll gain: MongoDB, Data Modeling, Query Languages, Data Security, Database Architecture and Administration, NoSQL, System Monitoring, Database Management, Transaction Processing, Performance Tuning, Scalability, Encryption, Data Transformation
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Linux, Authentications, Remote Access Systems, Linux Administration, User Accounts, Authorization (Computing), Security Controls, System Configuration, Command-Line Interface, Cryptographic Protocols
Intermediate · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Apache Hadoop, File Systems, Big Data, Java, Data Structures, Infrastructure Architecture, File Management, Systems Architecture, Data Processing, Distributed Computing, Data Storage, Development Environment, Scalability
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Video Editing, Photo/Video Production and Technology, Post-Production, Motion Graphics, Video Production, File Management, Storytelling, Content Creation, Apple software proficiency, Timelines
Beginner · Course · 1 - 3 Months

Skills you'll gain: jQuery, Ajax, Javascript and jQuery, JSON, Animations, Event-Driven Programming, Debugging, UI Components, Application Programming Interface (API), Web Applications, Web Development Tools, Responsive Web Design, Javascript, HTML and CSS, Interaction Design, Game Design, Cascading Style Sheets (CSS), Data Validation, Hypertext Markup Language (HTML), User Interface (UI) Design
Intermediate · Specialization · 3 - 6 Months