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.

Johns Hopkins University
Skills you'll gain: Medical Billing and Coding, Denial Management, Patient Registration, Revenue Cycle Management, ICD Coding (ICD-9/ICD-10), Claims Processing, Payment Processing and Collection, Registration, CPT Coding, Medical Billing, Medical Coding, Billing, Insurance, Insurance Policies, Revenue Management
Beginner · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: React Redux, React.js, Cascading Style Sheets (CSS), UI Components, JavaScript Frameworks, Front-End Web Development, User Interface (UI), Web Frameworks, Maintainability, Authentications, Web Development Tools, Application Frameworks, Javascript, Application Programming Interface (API), Web Design, Frontend Performance, Authorization (Computing), Web Development, Web Applications, Middleware
Intermediate · Specialization · 1 - 3 Months

MongoDB Inc.
Skills you'll gain: Data Transformation, MongoDB, Data Manipulation, Data Processing, Data Integration, NoSQL, Data Migration, Data Analysis, Query Languages, Data Preprocessing, Data Pipelines, Unstructured Data, Network Analysis
Intermediate · Course · 1 - 4 Weeks

Vanderbilt University
Skills you'll gain: Excel Macros, Excel Formulas, Microsoft Excel, Data Visualization, ChatGPT, Plot (Graphics), Spreadsheet Software, Interactive Data Visualization, AI Enablement, Multimodal Prompts, Generative AI, Prototyping, Verification And Validation
Beginner · Course · 1 - 4 Weeks

Imperial College London
Skills you'll gain: Continuous Quality Improvement (CQI), Healthcare Project Management, Patient Safety, Health Systems, Clinical Leadership, Patient-centered Care, Community Health, Health Policy, Leadership, Risk Analysis, Driving engagement, Overcoming Obstacles
Mixed · Course · 1 - 4 Weeks

Vanderbilt University
Skills you'll gain: SQL, Generative AI, AI literacy, Data Visualization, Interactive Data Visualization, Query Languages, Prompt Patterns, Data Literacy, Data Analysis, Debugging, Exploratory Data Analysis, ChatGPT, Prompt Engineering, Databases, Context Engineering, Data Validation, Context Management, Code Reusability
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Microsoft Azure, C# (Programming Language), Cloud Storage, Cloud Development, Cloud Applications, Distributed Computing, Communication Systems, Event-Driven Programming, Communication, Real Time Data, Data Management
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Generative AI, Fraud detection, Generative Model Architectures, AI Personalization, Generative Adversarial Networks (GANs), Regulatory Compliance, AI Product Strategy, Predictive Analytics, Financial Services, Financial Regulations, Personalized Service, Payroll Reporting, Financial Forecasting, Financial Trading, Market Data, Financial Reporting, Prompt Engineering, FinTech, Compliance Management, Artificial Intelligence
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Restful API, Android Development, Kotlin, API Design, Android Studio, Application Programming Interface (API), Android Jetpack, Mobile Development, Database Application, Database Management, Data Persistence, Databases, JSON, Database Development, Web Applications, Back-End Web Development, SQL, Data Access, Relational Databases
Intermediate · Course · 1 - 3 Months

Infosec
Skills you'll gain: Authentications, Application Security, Secure Coding, Serverless Computing, Cryptography, Risk Management Framework, Cloud Security, Threat Management, Infrastructure Security, Exploitation techniques, Package and Software Management, Node.JS, Web Applications, Javascript, Vulnerability Management, Cloud Services, Cloud Platforms, Web Development, Identity and Access Management, Dependency Analysis
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Microsoft Power Platform, Microsoft Power Automate/Flow, No-Code Development, Process Design, Business Process Automation, Application Development, Application Design, Automation, Business Process, Driving engagement, Data Integration, Data Access, User Interface (UI), Data Modeling
Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: OSI Models, Network Security, TCP/IP, Network Architecture, Network Protocols, Network Routing, Network Routers, Computer Networking, Infrastructure Security, Routing Protocols, Public Key Infrastructure, Network Model, Cryptographic Protocols, Web Applications, Application Servers
Build toward a degree
Intermediate · Course · 1 - 3 Months