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.

Coursera
Skills you'll gain: Retrieval-Augmented Generation, Vector Databases, Applied Machine Learning, Metadata Management, LangChain, Document Management, Embeddings, LLM Application, Large Language Modeling, Data Management, Model Evaluation, AI Integrations, Data Pipelines, Application Programming Interface (API), Software Installation, Debugging
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Oral Expression, Presentations, Public Speaking, Verbal Communication Skills, Communication, Driving engagement, Drive Engagement, Persuasive Communication, Communication Strategies, Executive Presence, Non-Verbal Communication, Rapport Building, Composure, Stress Management, Overcoming Obstacles
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Code Reusability, Functional Design, Javascript, Programming Principles, Maintainability, Debugging
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Shiny (R Package), PyTorch (Machine Learning Library), Dashboard, Dashboard Creation, Python Programming, Interactive Data Visualization, Data Visualization, Data Visualization Software, Pandas (Python Package), Image Analysis, Applied Machine Learning, AI Workflows, Machine Learning Methods, Data Science, Computer Programming, Web Frameworks, Application Development, UI Components, Web Development Tools, User Interface (UI)
Intermediate · Course · 1 - 3 Months

The Expert Academy
Skills you'll gain: Enterprise Sales, B2B Sales, Loyalty Programs, Customer Success Management, Closing (Sales), Overcoming Objections, Customer Retention, Selling Techniques, Procurement, Negotiation, Customer Relationship Management, Brand Loyalty, Price Negotiation, Customer Relationship Management (CRM) Software, Sales Strategy, Customer experience strategy (CX), Customer experience improvement, Sales Management, Sales, Stakeholder Engagement
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Return On Investment, Heat Maps, Business Research, Market Research, Business Metrics, User Research, Data Storytelling, Research, Data Presentation, Cost Benefit Analysis, Performance Analysis, Data-Driven Decision-Making, Consumer Behaviour, Data Analysis, Statistical Visualization, Financial Analysis, Cost Management
Beginner · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Model Evaluation, Fine-tuning, Model Optimization, Hugging Face, Model Deployment, Model Training, Transfer Learning, Natural Language Processing, MLOps (Machine Learning Operations), Large Language Modeling, Performance Tuning, Generative Model Architectures, Application Deployment, Data Preprocessing, Data Pipelines, Embeddings, Version Control, Git (Version Control System)
Advanced · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Price Negotiation, Negotiation, Contract Negotiation, Overcoming Objections, Sales, General Sales Practices, Value Propositions, Business Communication, Scope Management, Decision Making
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Serverless Computing, AWS Kinesis, Amazon Web Services, Amazon Redshift, API Gateway, Cloud Applications, Cloud Security, Cloud-Native Computing, Amazon DynamoDB, Extract, Transform, Load, Cloud Deployment, AWS Identity and Access Management (IAM), Cloud Infrastructure, Event-Driven Programming, Network Routing, Scalability
Intermediate · Course · 1 - 3 Months

MathWorks
Skills you'll gain: Electrical Systems, Electric Power Systems, Simulation and Simulation Software, Simulations, Mathematical Modeling, Control Systems, Electronic Systems, Electrical Safety, Energy and Utilities, Performance Testing, Estimation, Algorithms
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Prompt Engineering, Prompt Engineering Tools, API Testing, Test Automation, Test Script Development, Prompt Patterns, Test Tools, Claude Code, Software Testing, Test Case, AI Integrations, Functional Testing, Quality Assurance, GitHub Copilot, Application Programming Interface (API), Restful API, Test Data, Automation, AI Security, Debugging
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Disaster Recovery, Hardware Architecture, Computer Hardware, Database Management, Relational Databases, Computer Systems, Databases, Computer Architecture, Cybersecurity, Operating Systems, Cyber Attacks, SQL, TCP/IP, Information Technology, Database Systems, General Networking, Information Systems Security, Cyber Security Policies, Networking Hardware, Security Management
Mixed · Course · 1 - 4 Weeks