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.

Packt
Skills you'll gain: Unity Engine, Augmented and Virtual Reality (AR/VR), Animation and Game Design, Game Design, Augmented Reality, Animations, 3D Assets, Virtual Reality, Application Deployment, UI Components, User Interface (UI), Video Game Development, Artificial Intelligence and Machine Learning (AI/ML), Code Reusability, Devops Tools, C# (Programming Language), DevOps, Artificial Intelligence, CI/CD, Object Oriented Programming (OOP)
Beginner · Specialization · 3 - 6 Months

Coursera
Skills you'll gain: GIS Software, Geospatial Mapping, Geographic Information Systems, Spatial Data Analysis, Spatial Analysis, Geospatial Information and Technology, Database Systems, SQL, PostgreSQL, Data Validation, Query Languages, Data Integration, Data Mapping, Scripting, Performance Tuning
Beginner · Course · 1 - 3 Months

Skills you'll gain: Model Context Protocol, Tool Calling, Prompt Engineering, LLM Application, Anthropic Claude, Large Language Modeling, AI Integrations, AI Workflows, Cloud Deployment, Application Deployment, Servers, Development Environment, SQL, Databases, Development Testing, Data Integration, Debugging
Intermediate · Course · 1 - 3 Months

Skills you'll gain: QuickBooks (Accounting Software), Reconciliation, Month End Closing, Ledgers (Accounting), Payroll Systems, Accounting Software, Payroll Processing, Transaction Processing, Payroll Administration, Balancing (Ledger/Billing), Billing & Invoicing, Payroll Reporting, Accruals, Invoicing, Accounts Receivable, Project Accounting, Bookkeeping, Accounts Payable and Receivable, Accounting, Finance
Intermediate · Specialization · 3 - 6 Months

Packt
Skills you'll gain: Debugging, Go (Programming Language), Application Development, Program Development, Build Tools, Development Environment, Microsoft Visual Studio, Integrated Development Environments, Software Installation, Software Development Tools, Programming Principles, Other Programming Languages, Command-Line Interface, Package and Software Management
Beginner · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Make.com, Responsible AI, Agentic Workflows, AI Workflows, Business Workflow Analysis, AI Security, Generative AI Agents, No-Code Development, Information Privacy, Email Automation, Agentic systems, Personally Identifiable Information, AI Integrations, AI Enablement, AI literacy, Prompt Engineering, Generative AI, Workflow Management, Governance, Business Process Management
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: AWS Identity and Access Management (IAM), Amazon S3, Amazon Elastic Compute Cloud, Identity and Access Management, Amazon Web Services, User Provisioning, Cloud Storage, Multi-Factor Authentication, Data Storage Technologies, Cloud Infrastructure, Cloud Solutions, Cloud Services, Cloud Computing, Role-Based Access Control (RBAC), Cloud Management, Virtual Networking, Network Architecture, Network Security, Encryption
Beginner · Course · 1 - 3 Months

Skills you'll gain: React.js, Frontend Performance, Context Management, Front-End Web Development, JavaScript Frameworks, UI Components, Data Persistence, Application Programming Interface (API)
Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: Newsletters, Copywriting, Email Marketing, Peer Review, Writing and Editing, Content Strategy, Customer Retention, User Feedback, Driving engagement, Content Creation, Google Docs, Constructive Feedback, Customer Engagement, Collaboration, Branding
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: People Analytics, Human Resource Strategy, Human Resources, Business Priorities, Organizational Strategy, Human Capital, Workforce Planning, Business Analytics, Data Storytelling, Performance Measurement, Business Metrics, Key Performance Indicators (KPIs), Business Intelligence, Business Strategy, Data-Driven Decision-Making, Analytics, Strategic Decision-Making, Benchmarking, Business Acumen, AI Workflows
Beginner · Course · 1 - 4 Weeks

SkillsBooster Academy
Skills you'll gain: Prompt Engineering, AI Workflows, Vibe coding, Generative AI Agents, Artificial Intelligence, Generative AI, AI Personalization, Software Development Tools, Web Development Tools, Code Review, Responsible AI, Software Development, GitHub, React.js, Front-End Web Development, Design Software, Javascript, Software Engineering, Web Development, Application Deployment
Beginner · Course · 1 - 3 Months

The Expert Academy
Skills you'll gain: Service Recovery, B2B Sales, Account Management, Consultative Approaches, Account Strategy, Negotiation, Customer experience strategy (CX), Journey Mapping, Loyalty Programs, Customer Relationship Building, Customer Insights, Sales, Customer Retention, Emotional Intelligence, Sales Strategy, Customer experience improvement, Relationship Management, Selling Techniques, Value Propositions, Stakeholder Management
Intermediate · Specialization · 3 - 6 Months