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.

Duke University
Skills you'll gain: Web Frameworks, Restful API, Application Programming Interface (API), API Testing, Application Deployment, Software Documentation, Package and Software Management, JSON, Server Side, Python Programming, Data Validation
★ 2.5 (31) · Intermediate · Guided Project · Less Than 2 Hours

Saïd Business School, University of Oxford
Skills you'll gain: Environmental Social And Corporate Governance (ESG), Sustainability Reporting, Business Reporting, Financial Reporting, Performance Reporting, Corporate Sustainability, Sustainable Business, Risk Management, Business Risk Management, Corporate Strategy, Stakeholder Engagement, Sustainability Standards, Data Strategy, Stakeholder Management, Financial Analysis, Stakeholder Communications, Performance Analysis, Value Propositions, Innovation
★ 4.5 (20) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Photo Editing, Photography, Visual Storytelling, Storytelling, Editing, Geospatial Information and Technology, Geospatial Mapping, Geographic Information Systems, GIS Software, Image Quality, Global Positioning Systems, Spatial Data Analysis, Post-Production, Planning, Research, Photo/Video Production and Technology, Adobe Creative Cloud, Creativity, Design Elements And Principles, Critical Thinking
★ 3.8 (14) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: CrewAI, AI Orchestration, AI Workflows, Agentic Workflows, Workflow Management, Generative AI Agents, AI Integrations, Business Process Automation, Tool Calling, Automation, LLM Application, Agentic systems, Decision Making, Process Improvement, Customer Service
★ 4.8 (27) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Digital Forensics, Infrastructure as Code (IaC), Endpoint Security, Vulnerability Management, Risk Management, Cryptography, Cybersecurity, Risk Management Framework, Network Security, Incident Response, Threat Management, Cloud Security, Risk Analysis, Cryptographic Protocols, Cyber Attacks, Business Risk Management, Encryption, Cyber Security Policies, Vulnerability Assessments, Cyber Threat Intelligence
★ 4.4 (18) · Intermediate · Specialization · 3 - 6 Months

L&T EduTech
Skills you'll gain: Machine Learning Algorithms, Computer Vision, Applied Machine Learning, Image Analysis, Civil Engineering, Classification Algorithms, AI Enablement, Artificial Intelligence, Machine Learning Software, Electrical Substation, Machine Learning, AI literacy, Tensorflow, Construction Engineering, Convolutional Neural Networks, Deep Learning, PyTorch (Machine Learning Library), Artificial Neural Networks, Electric Power Systems, Electrical Engineering
★ 4.7 (15) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: JUnit, Apache Maven, Model View Controller, Unit Testing, Frontend Integration, Spring Boot, Restful API, Data Persistence, Web Services, Software Testing, Java Programming, Object-Relational Mapping, Java, Back-End Web Development, Secure Coding, Authentications, Data Modeling, Business Logic
★ 4.6 (28) · Mixed · Course · 1 - 4 Weeks

Whizlabs
Skills you'll gain: Amazon S3, Amazon Web Services, Cloud Storage, Data Storage, Data Storage Technologies, Amazon Elastic Compute Cloud, AWS Identity and Access Management (IAM), Cloud Security, Security Controls, File Management, Authorization (Computing), File Systems, Key Management, Encryption
★ 4.8 (13) · Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Google Gemini, Gemini, Application Deployment, Responsible AI, Software Development Tools, Cloud Development, Google Cloud Platform, Cloud Deployment, Generative AI, AI literacy, Prompt Engineering, AI Integrations, Debugging, Application Development
★ 4.9 (31) · Intermediate · Course · 1 - 4 Weeks

Corporate Finance Institute
Skills you'll gain: Tableau Software, Data Presentation, Data Visualization Software, Trend Analysis, Data Analysis, Business Metrics
★ 4.4 (18) · Advanced · Course · 1 - 3 Months

Skills you'll gain: Model Deployment, Anomaly Detection, Image Analysis, Computer Vision, Model Training, Matlab, Generative AI, Deep Learning, Model Evaluation, Data Preprocessing, Interoperability
★ 4.9 (15) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Stress Management, Goal Setting, Nutrition and Diet, English Language, Professional Development, Personal Development, Language Competency, Nutrition Education, Language Learning, Relationship Building, Grammar, Vocabulary, Verbal Communication Skills, Communication
★ 4.3 (12) · Mixed · Course · 1 - 3 Months