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: Budgeting, Microsoft Excel, Budget Management, Excel Formulas, Spreadsheet Software, Financial Data, Microsoft Office
★ 4.5 (636) · Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Prompt Engineering, LangChain, Prompt Patterns, LLM Application, Generative AI, Generative AI Agents, Tool Calling, Large Language Modeling, AI Integrations, Model Evaluation, Flask (Web Framework), Agentic systems, Software Development
★ 4.6 (531) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Microsoft Excel, Spreadsheet Software, Microsoft Office
★ 4.4 (536) · Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Regression Analysis, Statistical Hypothesis Testing, Logistic Regression, Statistical Analysis, Statistical Methods, Correlation Analysis, Predictive Modeling, Supervised Learning, Predictive Analytics, Statistical Modeling, Machine Learning, Model Evaluation, Variance Analysis, Python Programming
★ 4.7 (599) · Advanced · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Kubernetes, Cloud Deployment, Application Deployment, Containerization, Authorization (Computing), Authentications, Cloud Hosting, Software Installation, Data Persistence, Infrastructure Architecture, Scalability, Data Storage, Network Model, Command-Line Interface
★ 4.3 (323) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Canva (Software), Logo Design, Brand Marketing, Style Guides, Marketing Design, Brand Awareness, Branding, Marketing Materials, Marketing Collateral, Organizational Skills, Marketing, File Management, Graphic Design, Business, Digital Marketing
★ 4.6 (929) · Intermediate · Guided Project · Less Than 2 Hours

Cisco Learning and Certifications
Skills you'll gain: Malware Protection, Network Security, Infrastructure Security, Distributed Denial-Of-Service (DDoS) Attacks, Intrusion Detection and Prevention, Network Infrastructure, Cybersecurity, Network Monitoring, Web Applications, Firewall, Computer Security, Authorization (Computing), Cyber Operations, Exploitation techniques, Security Controls, TCP/IP, Identity and Access Management, Network Protocols, Event Monitoring, Authentications
★ 4.8 (737) · Mixed · Course · 1 - 4 Weeks
University of Washington
Skills you'll gain: Big Data, Relational Databases, Database Systems, Dataflow, Databases, Data Science, Database Theory, Data Manipulation, Data Store, Data Processing, Database Management Systems, NoSQL, Apache Spark, Distributed Computing, Apache Hadoop, SQL, Data Analysis, Query Languages, Cloud Computing, Python Programming
★ 4.3 (773) · Mixed · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Hypertext Markup Language (HTML), HTML and CSS, Web Design, Web Design and Development, Front-End Web Development, Web Development
★ 4 (8) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Google Gemini, AI literacy, Prompt Patterns, Prompt Engineering Tools, AI Enablement, Generative AI, Generative AI Agents, Artificial Intelligence, AI Personalization, AI Workflows, Ideation, Decision Support Systems, Responsible AI, Google Workspace
★ 4.8 (374) · Beginner · Course · 1 - 4 Weeks

MathWorks
Skills you'll gain: Plot (Graphics), Data Visualization, Scientific Visualization, Statistical Visualization, Data Presentation, Interactive Data Visualization, Data Import/Export, Technical Communication, Data Analysis, Exploratory Data Analysis, Data Visualization Software, Data Literacy, Statistical Reporting, Statistical Methods, Data Science, Data Processing, Data Cleansing, Data Wrangling, Matlab, Statistical Analysis
★ 4.8 (821) · Beginner · Course · 1 - 3 Months

Universiteit Leiden
Skills you'll gain: World History, Cultural Diversity, Political Sciences, European History, Social Studies, Economic Development, Social Sciences, Economics, Sociology, Liberal Arts, Research, Science and Research
★ 4.8 (440) · Beginner · Course · 1 - 3 Months