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 System
Skills you'll gain: Database Design, Software Design, Application Security, User Experience Design, Vulnerability Assessments, Database Theory, Unified Modeling Language, Unit Testing, Usability, UI/UX Research, Threat Modeling, Usability Testing, User Interface and User Experience (UI/UX) Design, Vulnerability Management, Data Flow Diagrams (DFDs), Relational Databases, Software Visualization, Security Software, Systems Development Life Cycle, Software Development Life Cycle
Beginner · Specialization · 3 - 6 Months

Kennesaw State University
Skills you'll gain: Peer Review, Grammar, Business Writing, Business Correspondence, Writing, Writing and Editing, Editing, Concision, Taking Meeting Minutes, Professionalism, Business Communication, Report Writing, Target Audience, Communication, Constructive Feedback
Mixed · Course · 1 - 3 Months

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
Mixed · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Network Routing, Network Security, TCP/IP, Firewall, Routing Protocols, Google Cloud Platform, Virtual Networking, Network Administration, Cloud Services
Intermediate · Course · 1 - 4 Weeks

University of California San Diego
Skills you'll gain: Combinatorics, Probability, Probability & Statistics, Algorithms, Bayesian Statistics, Mathematical Modeling, Computational Thinking, Statistical Methods, Arithmetic, Applied Mathematics, Program Development, Python Programming
Beginner · Course · 1 - 3 Months

Skills you'll gain: Budgeting, Microsoft Excel, Budget Management, Excel Formulas, Spreadsheet Software, Financial Data, Microsoft Office
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Prompt Engineering, Prompt Engineering Tools, Responsible AI, Generative AI, Data Ethics, AI Product Strategy, Competitive Intelligence, AI Enablement, Artificial Intelligence, Risk Analysis, Hybrid Cloud Computing, Business Leadership, Risk Mitigation, Strategic Thinking, Data Management, Strategic Leadership, Law, Regulation, and Compliance, Data Strategy, AI literacy, Brainstorming
Intermediate · Specialization · 1 - 3 Months
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
Mixed · Course · 1 - 3 Months

American Museum of Natural History
Skills you'll gain: Climate Change Mitigation, Social Sciences, Social Studies, Environmental Issue, Climate Change Adaptation, Socioeconomics, Economics, Policy, and Social Studies, Mitigation, Scientific Methods, Environmental Science, Physical Science, General Science and Research, Media and Communications, Hydrology, Mathematical Modeling, Discussion Facilitation, Simulation and Simulation Software, Model Evaluation
Mixed · Course · 1 - 3 Months
Skills you'll gain: Blockchain, Digital Assets, FinTech, Payment Systems, Financial Inclusion, Digital Transformation, Emerging Technologies, Financial Systems, Identity and Access Management, Distributed Computing, Financial Services, Authentications, Cryptographic Protocols, Automation, Empowerment, Cost Reduction, Transaction Processing, Information Privacy
Intermediate · 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
Beginner · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: HTML and CSS, React.js, ASP.NET, Restful API, .NET Framework, Web Applications, Web Services, Hypertext Markup Language (HTML), Front-End Web Development, JSON, Application Development, JavaScript Frameworks, Model View Controller, Web Design and Development, Application Frameworks, UI Components, Development Environment, Web Development, Microsoft Visual Studio, Cascading Style Sheets (CSS)
Intermediate · Specialization · 1 - 3 Months