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.

Copenhagen Business School
Skills you'll gain: Sustainable Business, Corporate Sustainability, Stakeholder Engagement, Sustainable Development, Strategic Planning, Stakeholder Management, Business Modeling, Innovation, Sustainable Systems, Organizational Strategy, Stakeholder Analysis, Marketing Communications, Business Strategies, Business Transformation, Case Studies, Communication Planning, Environmental Issue, Systems Thinking, Strategic Partnership, Value Propositions
★ 4.7 (43) · Beginner · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Responsive Web Design, HTML and CSS, Web Design, Bootstrap (Front-End Framework), Web Design and Development, Web Development, Web Applications, Hypertext Markup Language (HTML), Cascading Style Sheets (CSS), Browser Compatibility, User Interface and User Experience (UI/UX) Design, User Experience Design, Requirements Analysis, Requirements Elicitation, Client Services, Javascript
★ 4.7 (52) · Mixed · Course · 1 - 4 Weeks

MathWorks
Skills you'll gain: Model Evaluation, Computer Vision, Model Deployment, Anomaly Detection, Convolutional Neural Networks, Image Analysis, Transfer Learning, Model Training, Fine-tuning, Deep Learning, Generative AI, Artificial Neural Networks, Applied Machine Learning, Data Preprocessing, Matlab, Software Visualization, Classification Algorithms, Model Optimization, Predictive Modeling, Performance Tuning
★ 4.9 (35) · Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Cryptography, Encryption, Risk Management Framework, Multi-Factor Authentication, Cyber Attacks, Cybersecurity, Identity and Access Management, Authentications, Security Controls, Threat Management, Data Security, Information Privacy, Cyber Risk, Authorization (Computing)
★ 4.6 (41) · Intermediate · Course · 1 - 3 Months

ISAE-SUPAERO
Skills you'll gain: Hazard Analysis, Risk Control, Vibrations, Safety Standards, Mechanics, Mathematical Modeling, Engineering Calculations
★ 4.7 (74) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Blockchain, Digital Assets, Financial Inclusion, FinTech, Cryptography, Distributed Computing, Financial Services, Digital Transformation, Ledgers (Accounting), Cryptographic Protocols, Network Security, Information Privacy, Transaction Processing, Cost Reduction
★ 4.7 (40) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Node.JS, Responsive Web Design, JSON, jQuery, Restful API, HTML and CSS, Bootstrap (Front-End Framework), API Design, GitHub, Web Design and Development, Git (Version Control System), Postman API Platform, Web Design, Javascript and jQuery, Hypertext Markup Language (HTML), MongoDB, Back-End Web Development, Full-Stack Web Development, Cascading Style Sheets (CSS), Program Development
★ 4.9 (11) · Beginner · Specialization · 3 - 6 Months

University of Arizona
Skills you'll gain: Ancient History, Physics, Mechanics, Physical Science, European History, Science and Research, Liberal Arts, World History, Scientific Methods, Chemistry, Biology, Life Sciences, Deductive Reasoning, Mathematical Modeling
★ 4.7 (43) · Beginner · Course · 1 - 3 Months

University of California San Diego
Skills you'll gain: Model Evaluation, Predictive Modeling, Model Training, Predictive Analytics, Verification And Validation, Statistical Modeling, Model Optimization, Applied Machine Learning, Regression Analysis, Supervised Learning, Python Programming, Text Mining, Classification Algorithms, Natural Language Processing
★ 4.3 (49) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Webpack, Frontend Performance, Search Engine Optimization, Web Development Tools, Web Analytics and SEO, Performance Tuning, Build Tools, Debugging, Usability Testing, Web Development, Software Testing, Test Tools, Front-End Web Development, Functional Testing, Test Automation, Continuous Monitoring, Development Testing, Computer Programming Tools, JavaScript Frameworks, WordPress
★ 4.5 (38) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Digital Transformation, GitHub Copilot, Generative AI, Decision Support Systems, ChatGPT, Software Development Tools, AI literacy, Business Transformation, LLM Application, Decision Making, Program Development, AI Integrations, Operational Efficiency, User Interface (UI) Design, Debugging
★ 4.5 (21) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Call Center Experience, Interviewing Skills, De-escalation Techniques, Customer Relationship Building, Customer Complaint Resolution, Customer Engagement, Customer Service, Problem Solving, Conflict Management, Inbound Calls, Telephone Skills, Professionalism, Verbal Communication Skills, Communication
★ 4.8 (65) · Beginner · Course · 1 - 4 Weeks