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 Colorado Boulder
Skills you'll gain: Exploratory Data Analysis, Data Wrangling, Data Integration, Data Processing, Data Collection, Data Preprocessing, Data Validation, Data Cleansing, Data Quality, Data Analysis, Data Manipulation, Data Transformation, Data Pipelines, Pivot Tables And Charts, Statistical Visualization, Data Visualization, Quality Assurance, Statistical Analysis, Descriptive Statistics, Data Mining
Intermediate · Course · 1 - 3 Months

Google Cloud
Skills you'll gain: Serverless Computing, Cloud Applications, Database Administration, Back-End Web Development, Cloud Development, Database Development, Web Development Tools, Cloud Hosting, Cloud API, Data Store, Data Migration, Google Cloud Platform, Data Management
Beginner · Project · Less Than 2 Hours

Skills you'll gain: Cloud Services, Cloud Deployment, Infrastructure Architecture, Authorization (Computing), Software As A Service
Beginner · Course · 1 - 3 Months

Skills you'll gain: International Finance, Financial Analysis, International Relations, Financial Acumen, Financial Market, Economics, Travel Arrangements, Case Studies, Business Mathematics, Market Dynamics, Arithmetic, Analytical Skills, Complex Problem Solving, Business, Applied Mathematics
★ 4.7 (14) · Mixed · Course · 1 - 3 Months

Skills you'll gain: Experience Design, Design Thinking, User Experience, UI/UX Research, Customer experience improvement, Business Intelligence, Journey Mapping, User Interface (UI) Design, User Research, Customer Analysis, Collaborative Software
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Amazon Web Services, Distributed Denial-Of-Service (DDoS) Attacks, Infrastructure Security, Cloud Security, Network Security, Application Security, Firewall, Amazon Elastic Compute Cloud, Endpoint Security, Data Security, Security Controls, Network Monitoring
Intermediate · Course · 1 - 4 Weeks

SkillUp
Skills you'll gain: Dynamic Host Configuration Protocol (DHCP), Remote Access Systems, Windows Servers, iSCSI Configuration, Virtual Private Networks (VPN), Microsoft Servers, Microsoft Windows, Network Administration, Microsoft Azure, Network Infrastructure, Public Key Infrastructure, Data Storage Technologies, Infrastructure As A Service (IaaS), Data Storage, Network Security, Cloud Storage, Hybrid Cloud Computing, Proxy Servers, File Management, File Systems
★ 5 (8) · Intermediate · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: Return On Investment, Entrepreneurship, Social Impact, Capital Budgeting, Entrepreneurial Finance, Investment Management, Investments, Due Diligence, Fundraising, Business Metrics, Key Performance Indicators (KPIs), Performance Measurement, Growth Strategies, Capital Markets, Finance, Business Development, Financial Management, Stakeholder Communications, Business Strategy, Business Management
★ 4.7 (7) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: OpenAI API, Generative Model Architectures, AI Integrations, Hugging Face, Artificial Intelligence and Machine Learning (AI/ML), Object Oriented Programming (OOP), AI literacy
Intermediate · Course · 1 - 3 Months

Skills you'll gain: WordPress, Order Processing, Order Management, Payment Processing, Content Management Systems, E-Commerce, Payment Systems, Merchant Services, Web Content, Software Installation, Shipping and Receiving, Sales Tax, Email Automation, System Configuration
★ 5 (11) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Model Deployment, Model Evaluation, MLOps (Machine Learning Operations), Time Series Analysis and Forecasting, Model Training, Google Cloud Platform, Data Preprocessing, Forecasting, Feature Engineering, Cloud Deployment, Data Transformation, Recurrent Neural Networks (RNNs), Model Optimization, Applied Machine Learning, Continuous Monitoring
Advanced · Course · 1 - 3 Months

EDUCBA
Skills you'll gain: Microsoft Azure, Cloud Hosting, Cloud Platforms, Cloud Deployment, Virtual Machines, Cloud Services, Cloud Infrastructure, Application Deployment, Infrastructure As A Service (IaaS), Cloud Storage, Computing Platforms, Cloud Applications, Azure DevOps, Hybrid Cloud Computing, Data Storage, Microsoft Development Tools, Application Servers, Model Deployment, Windows PowerShell, Command-Line Interface
★ 5 (15) · Beginner · Course · 1 - 3 Months