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.

Simplilearn
Skills you'll gain: Supervised Learning, Data Modeling, Unsupervised Learning, Applied Machine Learning, Data Analysis, Reinforcement Learning, Artificial Intelligence, Classification And Regression Tree (CART), Tensorflow, Machine Learning Algorithms, Keras (Neural Network Library), Artificial Neural Networks, Deep Learning, Predictive Modeling, Machine Learning, Regression Analysis, Data Ethics, Responsible AI, Artificial Intelligence and Machine Learning (AI/ML), Random Forest Algorithm
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: OpenAI, LLM Application, Prompt Engineering, Generative AI, Back-End Web Development, Restful API, Application Programming Interface (API), Web Design and Development, Web Applications, UI Components
Intermediate · Guided Project · Less Than 2 Hours

Board Infinity
Skills you'll gain: Test Automation, Performance Testing, Software Quality Assurance, Security Testing, Regression Testing, User Acceptance Testing (UAT), Maintainability, Development Testing, Continuous Delivery, Code Review, Scalability, Automation, DevOps, Software Design, Technical Communication, Test Execution Engine, Application Programming Interface (API), Integration Testing, Waterfall Methodology, Agile Methodology
Beginner · Specialization · 3 - 6 Months

ISAE-SUPAERO
Skills you'll gain: Finite Element Methods, Structural Analysis, Vibrations, Engineering Analysis, Mathematical Modeling, Mechanical Engineering, Linear Algebra, Numerical Analysis, Applied Mathematics, Control Systems, Differential Equations
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Unit Testing, Test Case, Application Deployment, Responsive Web Design, Test Driven Development (TDD), Continuous Deployment, Debugging, Maintainability, LinkedIn, Cascading Style Sheets (CSS), Front-End Web Development, Software Testing, Code Review, Development Testing, Interviewing Skills, Web Development Tools, HTML and CSS, Web Development, Application Development, Software Documentation
Intermediate · Specialization · 1 - 3 Months

Tecnológico de Monterrey
Skills you'll gain: Design Thinking, Innovation, Creative Problem-Solving, Ideation, Process Development, Creative Thinking, New Product Development, Creativity, Lean Methodologies, Customer experience improvement, Customer Engagement, Product Lifecycle Management, Business Modeling, Value Propositions
Advanced · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Care Management, Practice Management, Case Management, Budget Management, Public Health, Primary Care, Patient Flow, Preventative Care, Community Health, Health Systems, Health Care, Hospital Experience, Revenue Forecasting, Healthcare Industry Knowledge, Regulatory Compliance, Social Determinants Of Health
Beginner · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Computer Vision, PyTorch (Machine Learning Library), Supervised Learning, Unsupervised Learning, Image Analysis, Applied Machine Learning, Dimensionality Reduction, Reinforcement Learning, Feature Engineering, Machine Learning Algorithms, Regression Analysis, Data Processing, Machine Learning, Predictive Modeling, Data Mining, Data Cleansing, Statistical Machine Learning, Deep Learning, Artificial Neural Networks, Decision Tree Learning
Intermediate · Specialization · 3 - 6 Months

EDUCBA
Skills you'll gain: Spring Framework, Spring Boot, Application Development, Redis, Java, Application Design, Hibernate (Java), JUnit, Web Development, Database Development, Application Security, Performance Tuning, Command-Line Interface
Mixed · Course · 1 - 3 Months

Skills you'll gain: Business Strategy, Strategic Thinking, Value Propositions, Competitive Analysis, Entrepreneurship, New Business Development, Market Research, Innovation, Strategic Planning, Organizational Strategy, Spreadsheet Software, Leadership
Intermediate · Guided Project · Less Than 2 Hours

Scrimba
Skills you'll gain: Object Oriented Programming (OOP), Javascript, JSON, Application Programming Interface (API), Scripting, Event-Driven Programming, Software Design Patterns, Data Management, Data Structures, Prototyping, Programming Principles, Debugging, Web Development, Software Development, Software Engineering, Performance Tuning
Intermediate · Specialization · 1 - 3 Months

Simplilearn
Skills you'll gain: Exploratory Data Analysis, Generative AI, Analytics, Data Analysis, Extract, Transform, Load, Data Integration, Data Visualization, Predictive Analytics, Data-Driven Decision-Making, Predictive Modeling, Forecasting, Data Transformation, Descriptive Analytics, Data Modeling, Risk Analysis
Beginner · Course · 1 - 4 Weeks