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: Role-Based Access Control (RBAC), Continuous Deployment, Firewall, Virtual Private Networks (VPN), Network Administration, Proxy Servers, Capacity Management, CI/CD, Key Management, Software Versioning, Network Security, API Gateway, YAML, Identity and Access Management, Disaster Recovery, Scalability, Large Language Modeling
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Javascript and jQuery, Systems Integration
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: C++ (Programming Language), Object Oriented Design, Object Oriented Programming (OOP), Debugging, Data Structures, C (Programming Language), Development Environment, Software Design Patterns, Programming Principles, Computational Thinking, Computer Programming, Integrated Development Environments, File Management, Algorithms, Maintainability, Simulations, Data Validation
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: 3D Modeling, Visualization (Computer Graphics), Design Elements And Principles, Creative Design
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Descriptive Statistics, Probability & Statistics, Statistical Hypothesis Testing, Regression Analysis, Statistics, Predictive Modeling, Data Visualization, Statistical Analysis, Data Science, Data Analysis, Statistical Modeling, Histogram, Pandas (Python Package), NumPy, Statistical Inference, Probability, Correlation Analysis
Mixed · Course · 1 - 4 Weeks

Northeastern University
Skills you'll gain: Large Language Modeling, Natural Language Processing, PyTorch (Machine Learning Library), Artificial Neural Networks, Machine Learning Methods, Deep Learning, Applied Machine Learning, Statistical Machine Learning, Algorithms
Mixed · Course · 1 - 3 Months

Skills you'll gain: Apache Hadoop, Big Data, Data Infrastructure, Cloud Management, Data Processing, Data Storage, Java, Operating System Administration, Systems Administration, Distributed Computing, Command-Line Interface
Mixed · Course · 1 - 3 Months

Skills you'll gain: Agentic systems, Human Computer Interaction, UI/UX Strategy, Interaction Design, Persona (User Experience), User Experience Design, Responsible AI, AI Product Strategy, Artificial Intelligence, Automation, Trustworthiness, Machine Learning, Technology Strategies
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Email Security, Web Analytics and SEO, Apache, Public Key Infrastructure, User Accounts, Control Panels, Data Security, Encryption, Web Servers, PHP (Scripting Language), System Configuration, Performance Tuning, Server Administration, Authentications
Mixed · Course · 1 - 4 Weeks

Imperial College London
Skills you'll gain: Dimensionality Reduction, NumPy, Probability & Statistics, Jupyter, Data Science, Statistics, Linear Algebra, Python Programming, Machine Learning, Calculus
Intermediate · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: Financial Modeling, Entrepreneurial Finance, Financial Forecasting, Capital Budgeting, Financial Statements, Return On Investment, Cash Flow Forecasting, Financial Analysis, Business Modeling, Negotiation, Investments, Investment Management, Microsoft Excel
Beginner · Course · 1 - 4 Weeks

SkillsBooster Academy
Skills you'll gain: Presentations, Data Presentation, Sales Presentation, Visual Design, Multimedia, Interactive Data Visualization, Data Visualization, Design Reviews, Workflow Management, Graphic and Visual Design Software, Marketing Design, Visualization (Computer Graphics), Statistical Visualization, Brand Awareness, Executive Presence, Brand Marketing, Branding, Visual Impairment Education, Brand Loyalty, Brand Management
Beginner · Course · 1 - 3 Months