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 Pennsylvania
Skills you'll gain: Environmental Social And Corporate Governance (ESG), Climate Change Programs, Sustainable Business, Waste Minimization, Corporate Sustainability, Business Ethics, Climate Change Adaptation, Environmental Laws, Insurance, Environmental Policy, Natural Resource Management, Product Lifecycle Management, Climate Change Mitigation, Environmental Regulations, Business Risk Management, Mitigation, Insurance Policies, Governance, Sustainability Reporting
★ 4.8 (461) · Mixed · Course · 1 - 4 Weeks

University of Geneva
Skills you'll gain: Substance Abuse, Pharmaceuticals, Social Justice, Health Disparities, Pharmacology, Medical Prescription, Public Health, Health Policy, Pain Management, Public Policies, Policy Analysis, Social Sciences, Community Health, Advocacy, International Relations, Policy Development
★ 4.8 (275) · Beginner · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Probability, Probability & Statistics, Probability Distribution, Bayesian Statistics, Statistics, Sampling (Statistics), Data Analysis, Correlation Analysis, Statistical Analysis, Statistical Inference
★ 4.5 (288) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Musical Composition, Music, Computer Programming, Code Reusability, Programming Principles, Python Programming
★ 4.5 (458) · Beginner · Guided Project · Less Than 2 Hours

University of Colorado System
Skills you'll gain: Medical History Documentation, Child Health, Childbirth, Airway Management, Pediatric First Aid, Hazardous Waste Operations And Emergency Response Standard (HAZWOPER), Maternal Health, Emergency Medical Services, Emergency Medicine, Pediatrics, Postpartum Care, Patient Transport, Respiratory Care, Prenatal Care, Obstetrics And Gynecology, Patient Evaluation, Patient Transfer Equipment, Environment Health And Safety, Health Assessment, Pathology
★ 4.8 (313) · Beginner · Course · 1 - 4 Weeks

University of London
Skills you'll gain: Marketing Planning, Marketing Strategies, Marketing Strategy and Techniques, Strategic Marketing, Competitive Analysis, Marketing Effectiveness, Market Analysis, Marketing, Marketing Management, Market Dynamics, Target Market, Auditing, Analysis, Target Audience, Business Analysis Tools
★ 4.5 (315) · Mixed · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Magnetic Resonance Imaging, Medical Imaging, Image Analysis, Data Manipulation, R (Software), Neurology, R Programming, Radiology, Image Quality, Data Processing, Scientific Visualization, Data Preprocessing, Data Transformation, Histogram, Data Import/Export, File Management, Package and Software Management, Software Installation
★ 4.6 (315) · Intermediate · Course · 1 - 4 Weeks

Vanderbilt University
Skills you'll gain: Generative AI Agents, Agentic systems, Agentic Workflows, Generative AI, Email Automation, Prompt Engineering, AI Workflows, ChatGPT, AI Personalization, Expense Management, Expense Reports, AI Orchestration, AI literacy, Workflow Management, Tool Calling, Google Sheets, AI Integrations, Memory Management
★ 4.6 (136) · Beginner · Course · 1 - 4 Weeks

Universiteit Leiden
Skills you'll gain: Immunology, Nephrology, Surgery, Dialysis, Perioperative Care, Medical Practices and Procedures, Patient Preparation, Chronic Diseases, Long Term Care, Patient Evaluation, Patient Treatment, Clinical Monitoring, Pharmacology, Diagnostic Tests, Infectious Diseases, Pharmacotherapy
★ 4.8 (373) · Intermediate · Course · 1 - 3 Months

University of Pennsylvania
Skills you'll gain: Prompt Engineering, Data Ethics, ChatGPT, Responsible AI, AI Personalization, Generative AI Agents, Generative AI, Education Software and Technology, OpenAI, Digital pedagogy, AI Integrations, Teaching
★ 4.8 (302) · Beginner · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Medical Privacy, Health Insurance Portability And Accountability Act (HIPAA) Compliance, Health Information Management, Security Awareness, Cloud Security, Personally Identifiable Information, Encryption, Health Informatics, Health Information Management and Medical Records, Healthcare Industry Knowledge, Health Care Procedure and Regulation, Data Security, Cyber Attacks, Medical Records, Health Technology, Information Privacy, Cloud Computing, Patient Safety
★ 4.8 (470) · Beginner · Course · 1 - 4 Weeks

University of California, Davis
Skills you'll gain: Employee Coaching, Coaching, Management Training And Development, Constructive Feedback, Gap Analysis, Employee Performance Management, Professional Development, Performance Management, People Management, Drive Engagement, Employee Engagement, Problem Solving, Leadership and Management, Expectation Management, Empowerment, Accountability, Active Listening, Communication Strategies
★ 4.7 (343) · Beginner · Course · 1 - 4 Weeks