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 Cape Town
Skills you'll gain: Informed Consent, Healthcare Ethics, Scientific Methods, Intensive Care Medicine, Diagnostic Tests, Diversity Awareness, Dignity in Care, Cultural Diversity, Patient Education and Support, Critical Care, Ethical Standards And Conduct, Cultural Sensitivity, Patient Communication
Intermediate · Course · 1 - 4 Weeks

HubSpot Academy
Skills you'll gain: Closing (Sales), Booking (Sales), Overcoming Objections, Sales Process, Selling Techniques, Sales Prospecting, HubSpot CRM, Sales, Prospecting and Qualification, General Sales Practices, Sales Strategy, Customer Relationship Management (CRM) Software, Customer Relationship Management, Lead Generation, Negotiation, Business Writing, LinkedIn, Value Propositions, Planning
Beginner · Course · 1 - 3 Months

Duke University
Skills you'll gain: Occupational Medicine, Physiology, Medical Science and Research, Biomedical Engineering, Emergency Medicine, Hemodynamics, Vital Signs, Preventative Care, Oxygen Therapy, Injury Prevention, Radiation Protection, Human Factors, Exercise Science, Health Care, Respiration, Human Musculoskeletal System, Environment, Physics, Biology, Engineering
Beginner · Course · 1 - 3 Months

28DIGITAL
Skills you'll gain: Real-Time Operating Systems, Embedded Software, Embedded Systems, Threat Modeling, Systems Architecture, System Software, Hardening, Debugging, Computer Architecture, Hardware Architecture, Internet Of Things, Application Security, General Networking, Wireless Networks, Operating Systems, Performance Tuning, System Requirements, Network Protocols, Open Source Technology
Intermediate · Course · 1 - 3 Months

DeepLearning.AI
Skills you'll gain: Retrieval-Augmented Generation, LLM Application, Large Language Modeling, Prompt Engineering, Vector Databases, Embeddings, System Monitoring, Application Security, Fine-tuning, Artificial Intelligence, Model Evaluation
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Good Clinical Practices (GCP), Clinical Research, Clinical Trials, Clinical Research Ethics, Informed Consent, Clinical Data Management, Drug Development, Health Equity
Beginner · Course · 1 - 4 Weeks
University of Pennsylvania
Skills you'll gain: Demography, Market Trend, Trend Analysis, International Relations, International Finance, Socioeconomics, Social Sciences, Economics, Policy, and Social Studies, Cultural Diversity, Political Sciences, Financial Systems, World History, Business Acumen, Economic Development, Economics, Business Economics, Consumer Behaviour, Financial Policy, Public Safety and National Security, Governance
Mixed · Course · 1 - 4 Weeks

University of California San Diego
Skills you'll gain: Bioinformatics, Molecular Biology, Microbiology, Infectious Diseases, Biotechnology, Precision Medicine, Biochemistry, Brute-force attacks, Computational Thinking, Algorithms, Python Programming
Intermediate · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Model View Controller, Swift Programming, Object Oriented Design, Object Oriented Programming (OOP), Data Structures, iOS Development, Apple iOS, Programming Principles, Mobile Development, Software Design Patterns, Data Management, Software Architecture, Code Reusability, Computational Logic, Development Environment
Beginner · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Unity Engine, C# (Programming Language), Video Game Development, Data Management, Game Design, Data Structures, Application Development, Computer Programming, Programming Principles, Scripting, Computational Logic
Intermediate · Course · 1 - 4 Weeks

Goodwill Industries International
Skills you'll gain: Constructive Feedback, Interviewing Skills, Communication, Coaching, Accountability, Virtual Teams, Professional Development, Diversity and Inclusion, Client Support, Diversity Equity and Inclusion Initiatives, Workforce Development, Recruitment, Ethical Standards And Conduct, Client Services, Relationship Management, Talent Pipelining, Rapport Building, Telecommuting, Needs Assessment, Employee Onboarding
Build toward a degree
Beginner · Professional Certificate · 3 - 6 Months

Akamai Technologies, Inc.
Skills you'll gain: Endpoint Security, Database Systems, Computer Security Incident Management, Security Management, Databases, Operating System Administration, Database Administration, Routing Protocols, Application Development, Network Architecture, Linux Commands, TCP/IP, Operating Systems, Web Design and Development, Cascading Style Sheets (CSS), Web Development, Data Structures, File I/O, Data Analysis, Software Development
Beginner · Professional Certificate · 3 - 6 Months