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.

University of London
Skills you'll gain: Project Risk Management, Risk Analysis, Risk Mitigation, Agile Project Management, Information Technology, Agile Software Development, Stakeholder Analysis, Case Studies, Team Leadership, Project Coordination, Team Building, Stakeholder Communications, Governance, Resource Allocation, Communication Planning, Decision Making
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Responsible AI, Lead Generation, Personalized Campaigns, Data Ethics, Upselling, Business Ethics, AI Personalization, Generative AI, Sales Strategy, Business Marketing, Marketing Automation, Cross Selling, Demand Generation, Prospecting and Qualification, Sales Prospecting, Ethical Standards And Conduct, Data-Driven Marketing, Sales Development, MarTech, Email Marketing
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: NoSQL, Data Migration, Operational Databases, Database Design, Database Architecture and Administration, Database Management, Data Store, Google Cloud Platform, Data Access, Performance Tuning, Scalability, Serverless Computing, Cloud Security, IT Automation, Capacity Management, Disaster Recovery, Security Controls, Data Security
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Amazon Web Services, AWS Identity and Access Management (IAM), Amazon Elastic Compute Cloud, Cloud Computing Architecture, Amazon S3, Cloud Services, Cloud Computing, Public Cloud, Cloud Storage, Data Storage Technologies, Cloud Infrastructure, Data Storage, Identity and Access Management, User Accounts, Cloud Security, Solution Architecture, Infrastructure Architecture, File Systems
Beginner · Course · 1 - 3 Months

Packt
Skills you'll gain: Javascript, jQuery, Javascript and jQuery, Event-Driven Programming, Object Oriented Programming (OOP), Program Development, Web Applications, Programming Principles, Web Development Tools, Hypertext Markup Language (HTML), Cascading Style Sheets (CSS), Development Environment
Beginner · Course · 1 - 3 Months

Skills you'll gain: Flutter (Software), Program Development, Computational Logic
Beginner · Course · 1 - 4 Weeks

Pontificia Universidad Católica del Perú
Skills you'll gain: Customer experience improvement, Scalability, Business Process Automation, Business Operations, AI Enablement, Customer experience strategy (CX), Operations Management, Operational Efficiency, Generative AI Agents, No-Code Development, Generative AI, Process Improvement, Performance Improvement, Automation, Process Development, Customer Service, AI Integrations
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Data Presentation, Scientific Visualization, Data Visualization Software, Statistical Visualization, Plot (Graphics), Visualization (Computer Graphics), C++ (Programming Language), Application Development, Graphing, Computer Graphics, C and C++, Data Mapping, Application Frameworks, Verification And Validation, Graphical Tools, Data Processing, Computer Graphic Techniques, Software Testing
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Email Automation, AI literacy, Analytics, LLM Application, Customer Analysis, Job Analysis, Deepseek, DeepSeek API, Grammar, Customer Support, Debugging
Beginner · Course · 1 - 3 Months

Skills you'll gain: Order Management, ASP.NET, Order Management Systems, User Interface (UI) Design, .NET Framework, Authentications, User Interface and User Experience (UI/UX) Design, UI Components, User Interface (UI), User Accounts, Payment Processing, Web Design, Authorization (Computing), E-Commerce, Identity and Access Management, Payment Systems, Payment Processing and Collection, Debugging
Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: Fine-tuning, Model Deployment, MLOps (Machine Learning Operations), AWS SageMaker, Software Documentation, Data Pipelines, AI Integrations, Tensorflow, Solution Architecture, Model Evaluation, Apache Airflow, Model Optimization, Systems Design, Transfer Learning, Unit Testing, PyTorch (Machine Learning Library), API Design, Cloud Computing, Network Architecture, Deep Learning
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: JavaScript Frameworks, Vue.JS, Front-End Web Development, Application Frameworks, Responsive Web Design, React.js, Application Programming Interface (API), Angular, Web Development, Cascading Style Sheets (CSS), Javascript, Application Deployment
Beginner · Course · 1 - 4 Weeks