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.

Board Infinity
Skills you'll gain: API Design, Application Programming Interface (API), Postman API Platform, Software Documentation, OAuth, CI/CD, Web Services, Authentications, Continuous Integration, Continuous Deployment
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Labor Compliance, Industrial Engineering, Manufacturing and Production, Process Mapping, Product Improvement, Service Improvement, Coordinating, Manufacturing Processes, Engineering, Waste Minimization
Intermediate · Course · 1 - 4 Weeks

L&T EduTech
Skills you'll gain: Hazard Analysis, Building Services Engineering, Threat Detection, Electronic Components, Telecommunications, Electrical Systems, Systems Integration, Anomaly Detection, Electrical Safety, Safety Standards, Communication Systems, Electrical Equipment, Electronic Systems, Safety and Security, Electrical Engineering, Network Infrastructure, Technical Standard, Control Panels
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Threat Modeling, Threat Management, MITRE ATT&CK Framework, Application Security, Cybersecurity, Security Controls, Security Strategy, Open Web Application Security Project (OWASP), Systems Development Life Cycle, Cloud Security
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Model Optimization, Dimensionality Reduction, Unsupervised Learning, Deep Learning, Machine Learning Algorithms, Applied Machine Learning, Random Forest Algorithm, Artificial Intelligence and Machine Learning (AI/ML), Artificial Neural Networks, Anomaly Detection, Classification Algorithms, Linear Algebra
Intermediate · Course · 1 - 3 Months

Skills you'll gain: LangChain, Prompt Engineering, Prompt Patterns, LLM Application, Prompt Engineering Tools, AI Orchestration, AI Workflows, Generative AI Agents, Agentic systems, Generative AI, Front-End Web Development, User Interface (UI)
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Loss Prevention, Fraud detection, Asset Protection, Financial Controls, Regulatory Documents, Auditing, Payment Processing and Collection, Accounting, Internal Controls, Transaction Processing, Compliance Auditing, Authorization (Computing), Payment Processing, Verification And Validation, Document Control
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Animations, 3D Modeling, 3D Assets, Graphical Tools, Computer Graphic Techniques, Computer Graphics
Intermediate · Course · 3 - 6 Months

Board Infinity
Skills you'll gain: Email Marketing, Email Automation, Content Performance Analysis, Marketing Automation, AI Personalization, Email Security, Dashboard, Personalized Campaigns, Data-Driven Marketing, Performance Analysis, Campaign Management, Marketing Analytics, Driving engagement, Direct Marketing, Performance Reporting, Cross-Channel Marketing, Responsible AI, Copywriting, Customer Analysis, A/B Testing
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Routing Protocols, Network Monitoring, Network Performance Management, Virtual Private Networks (VPN), Open Shortest Path First (OSPF), Network Routing, Network Troubleshooting, Network Security, Border Gateway Protocol, Network Protocols, Network Engineering, Multiprotocol Label Switching, Network Infrastructure, Wide Area Networks, Virtual Networking, Authentications, Authorization (Computing)
Intermediate · Course · 3 - 6 Months

Skills you'll gain: COBOL (Programming Language), Prompt Patterns, Prompt Engineering, Code Review, Code Reusability, Application Lifecycle Management, CI/CD, Agentic systems, Software Technical Review
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Test Driven Development (TDD), Unit Testing, Test Script Development, Behavior-Driven Development, API Testing, Code Coverage, Development Testing, Software Testing, Test Automation, Test Tools, Test Planning, Test Case, Maintainability, Software Quality (SQA/SQC), Software Quality Assurance, API Design, Application Programming Interface (API), Event-Driven Programming, Mockups, Python Programming
Beginner · Course · 1 - 4 Weeks