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.

LearnKartS
Skills you'll gain: Project Management, Project Management Office (PMO), Project Implementation, Process Management, Project Planning, Interpersonal Communications
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Email Marketing, Direct Marketing, Campaign Management, Personalized Campaigns, Campaign Planning, Digital Marketing Tools, Marketing, Digital Marketing, Target Audience, Registration, Design, Business
Beginner · Guided Project · Less Than 2 Hours

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
Mixed · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Sustainability Reporting, Sustainable Business, Corporate Sustainability, Organizational Change, Sustainable Development, Business Reporting, Supply Chain, Sustainable Design, Proposal Development, Stakeholder Analysis, Environmental Social And Corporate Governance (ESG), Sustainable Systems, Supply Chain Management, Sustainability Standards, Annual Reports, Performance Reporting, Leadership and Management, Performance Improvement, Change Management, Stakeholder Engagement
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Autoencoders, Generative AI, Recurrent Neural Networks (RNNs), Convolutional Neural Networks, Reinforcement Learning, Generative Adversarial Networks (GANs), Generative Model Architectures, Artificial Intelligence and Machine Learning (AI/ML), Deep Learning, Unsupervised Learning, Machine Learning Methods, Transfer Learning, Model Optimization, Image Analysis, Artificial Neural Networks, Keras (Neural Network Library), Fine-tuning, Machine Learning, Artificial Intelligence, Computer Vision
Intermediate · Course · 1 - 3 Months
University of Pennsylvania
Skills you'll gain: Social Impact, Sustainable Business, Return On Investment, Environmental Social And Corporate Governance (ESG), Corporate Sustainability, Sustainable Development, Strategic Leadership, Business Strategies, Business Leadership, Case Studies, Decision Making, Investment Management, Organizational Leadership, Investments, Program Evaluation, General Finance
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

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
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: SQL, Query Languages, Data Access, Database Software, Database Design, Relational Databases, Problem Solving
Beginner · Guided Project · Less Than 2 Hours

Keller Williams
Skills you'll gain: Lead Generation, Administrative Support, Real Estate, Office Management, Real Estate Sales, Value Propositions, Office Procedures, Property and Real Estate, Sales Process, Customer Relationship Building, Database Management, Sales Development, Prospecting and Qualification, Business Administration, Real Estate Transactions, Sales Prospecting, Customer Acquisition Management, Contract Negotiation, Interpersonal Communications, Goal Setting
Beginner · Professional Certificate · 3 - 6 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
Build toward a degree
Intermediate · Course · 1 - 3 Months

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
Beginner · Course · 1 - 3 Months