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.

DeepLearning.AI
Skills you'll gain: Database Design, Database Development, LLM Application, Software Design Patterns, Databases, OpenAI API, Application Design, AI Integrations, Software Design, Software Architecture, AI Security, System Design and Implementation, Large Language Modeling, Object Oriented Design, Software Development, Query Languages, Secure Coding, Application Programming Interface (API), Performance Tuning
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Open Web Application Security Project (OWASP), Vulnerability Scanning, Proxy Servers, Security Testing, Penetration Testing, Vulnerability Assessments, Brute-force attacks, Test Tools, Web Scraping
Intermediate · Guided Project · Less Than 2 Hours

University of Colorado System
Skills you'll gain: Disaster Recovery, Security Management, System Monitoring, Cyber Security Policies, Enterprise Security, Systems Administration, Operating System Administration, Security Architecture Review, Security Controls, Patch Management, Continuous Monitoring, Data Maintenance, Information Systems Security, Unix, Data Integrity
Intermediate · Course · 1 - 3 Months

Skills you'll gain: File Management, Version Control, Document Management, Data Sharing, Collaborative Software, Cloud Storage, Data Storage, Data Loss Prevention
Beginner · Guided Project · Less Than 2 Hours

University of Colorado Boulder
Skills you'll gain: Hardware Architecture, Microarchitecture, Bash (Scripting Language), Distributed Computing, Scalability, Memory Management, Shell Script, Computer Systems, File I/O, Big Data, Linux Commands, Operating Systems, File Systems, Cloud Development, C and C++, Linux, Computing Platforms, Data Import/Export, C++ (Programming Language), Communication Systems
Advanced · Specialization · 3 - 6 Months

Universidad de los Andes
Skills you'll gain: Responsive Web Design, HTML and CSS, Hypertext Markup Language (HTML), Bootstrap (Front-End Framework), Cascading Style Sheets (CSS), Web Language, UI Components, Web Development, Web Design, Front-End Web Development, Web Applications, Typography
Build toward a degree
Beginner · Course · 1 - 3 Months

University of Pennsylvania
Skills you'll gain: Environmental Social And Corporate Governance (ESG), Corporate Sustainability, Sustainable Business, Investments, Portfolio Risk, Equities, Investment Management, Return On Investment, Social Impact, Portfolio Management, Sustainability Reporting, Sustainability Standards, Environmental Issue, Stakeholder Analysis, Market Trend, Risk Analysis, Performance Measurement, Climate Change Mitigation, Corporate Finance, Correlation Analysis
Mixed · Course · 1 - 4 Weeks

University of Cape Town
Skills you'll gain: Climate Change Adaptation, Climate Change Programs, Water Resources, Water Sustainability, Sustainable Development, Environmental Policy, Hydrology, Water Resource Management, Land Management, Community Development, Climate Change Mitigation, Environmental Issue, Environment, Natural Resource Management, Environment and Resource Management, Socioeconomics, Economic Development, Vulnerability, Governance
Beginner · Course · 1 - 3 Months

University of Arizona
Skills you'll gain: Water Resources, Environment, Climate Change Programs, Hydrology, Environmental Science, Biology, Environmental Monitoring, Water Sustainability, Life Sciences, Sustainable Systems, Climate Change Adaptation, Experimentation, Research, Data Collection
Beginner · Course · 1 - 3 Months

Vanderbilt University
Skills you'll gain: Data Storytelling, Data Presentation, Storytelling, Microsoft Excel, Data Visualization, Data Analysis, Data Compilation, Data Cleansing, Data Import/Export, ChatGPT, Statistical Reporting, Data Integration, Data Transformation, Data Validation, Exploratory Data Analysis, Unstructured Data, Prompt Engineering, AI Integrations, Data Quality, Data Integrity
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Infographics, Canva (Software), Graphical Tools, Visual Storytelling, Graphic and Visual Design, Design Elements And Principles
Intermediate · Guided Project · Less Than 2 Hours

Campus BBVA
Skills you'll gain: Sustainable Development, Sustainability Reporting, Sustainable Business, Sustainability Standards, Socioeconomics, Social Justice, Health Equity, Economic Development, Environment and Resource Management, Stakeholder Engagement, Environmental Issue, Stakeholder Management, Stakeholder Analysis, Finance, Economics, Climate Change Adaptation, Climate Change Mitigation, Critical Thinking
Beginner · Course · 1 - 4 Weeks