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: Back-End Web Development, Django (Web Framework), Version Control, Git (Version Control System), API Testing, Web Development, Authentications, API Design, Application Development, Application Programming Interface (API), Restful API, Unit Testing, Test Tools, Database Development, MySQL, User Accounts, Web Applications, Databases
★ 4.6 (187) · Intermediate · Course · 1 - 4 Weeks

Meta
Skills you'll gain: Full-Stack Web Development, Front-End Web Development, Django (Web Framework), Web Design and Development, Scalability, HTML and CSS, Cloud Hosting, Responsive Web Design, Web Development, Web Applications, Cloud Deployment, Back-End Web Development, MySQL, Cascading Style Sheets (CSS), Hypertext Markup Language (HTML), Cloud Computing, Application Programming Interface (API), Restful API, Virtual Environment, Javascript
★ 4.6 (239) · Intermediate · Course · 1 - 3 Months
Skills you'll gain: Systems Administration, IT Infrastructure, Lightweight Directory Access Protocols, Cloud Management, Operating System Administration, Active Directory, Server Administration, Disaster Recovery, Cloud Infrastructure, Technical Consulting, System Configuration, Cloud Computing, Cloud Services, Servers, Network Administration, Network Infrastructure, Data Storage
★ 4.8 (27K) · Beginner · Course · 1 - 3 Months

Skills you'll gain: HTML and CSS, Bootstrap (Front-End Framework), Responsive Web Design, Front-End Web Development, User Interface (UI), Hypertext Markup Language (HTML), JavaScript Frameworks, Web Frameworks, Web Development, Web Development Tools, Cascading Style Sheets (CSS), React.js, General Networking
★ 4.8 (14K) · Beginner · Course · 1 - 4 Weeks
Skills you'll gain: User Experience, UI/UX Research, User Experience Design, User Research, Design Thinking, User Interface and User Experience (UI/UX) Design, Design Research, Usability, User Centered Design, Design, Human Centered Design, Prototyping, Usability Testing, Sprint Retrospectives, Wireframing, Ideation, Sprint Planning
★ 4.8 (76K) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: API Design, Back-End Web Development, Secure Coding, Data Security, Application Programming Interface (API), IT Infrastructure, Application Security, Infrastructure Security, Data Integrity, Servers, Server Administration, Web Servers
★ 4.9 (7) · Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Excel Formulas, Microsoft Excel, Dashboard, Pivot Tables And Charts, Spreadsheet Software, Microsoft 365, ChatGPT, Data Analysis, Microsoft Office, Data Visualization, Document Management, Project Management Software, Collaborative Software, Data Manipulation, Data Cleansing, Text Mining, Project Management, Data Entry, Generative AI, Data-Driven Decision-Making
★ 4.6 (24K) · Beginner · Specialization · 1 - 3 Months

Scrimba
Skills you'll gain: Responsive Web Design, JSON, User Interface (UI) Design, Color Theory, Cascading Style Sheets (CSS), User Interface (UI), HTML and CSS, Hypertext Markup Language (HTML), Restful API, Web Content Accessibility Guidelines, Event-Driven Programming, Web Design, Typography, Web Applications, API Design, User Interface and User Experience (UI/UX) Design, Application Programming Interface (API), React.js, Javascript, Web Development
★ 4.7 (601) · Beginner · Specialization · 3 - 6 Months

Multiple educators
Skills you'll gain: Prompt Patterns, Personalized Campaigns, Data-Driven Marketing, MarTech, Strategic Marketing, AI Enablement, LLM Application, AI literacy, Email Automation, Driving engagement, Model Evaluation, Artificial Intelligence, Artificial Intelligence and Machine Learning (AI/ML), Large Language Modeling, Augmented and Virtual Reality (AR/VR), Content Creation, Image Quality, Machine Learning, Data Synthesis, Image Analysis
★ 4.7 (12K) · Beginner · Specialization · 1 - 3 Months
Skills you'll gain: Cybersecurity, Security Controls, Cyber Attacks, Security Management, Security Strategy, Cyber Risk, Security Information and Event Management (SIEM), Information Assurance, Data Ethics, Network Analysis
★ 4.8 (42K) · Beginner · Course · 1 - 4 Weeks

Stanford Online
Skills you'll gain: Nutrition Education, Nutrition and Diet, Cooking, Chronic Diseases, Preventative Care, Public Health and Disease Prevention, Meal Planning And Preparation, Food and Beverage, Health Promotion, Health Informatics, Social Sciences, Habit Formation, Behavior Management, Biochemistry
★ 4.7 (34K) · Beginner · Course · 1 - 3 Months
Skills you'll gain: IT Security Architecture, Information Systems Security, Network Security, Application Security, Security Controls, Cybersecurity, Security Awareness, AI Security, Cyber Attacks, Encryption, Data Security, Cryptography, Security Strategy, Security Management, Computer Security Awareness Training, Cyber Security Policies, Authorization (Computing), Threat Management, Firewall, Authentications
★ 4.8 (26K) · Beginner · Course · 1 - 3 Months