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: Networking Hardware, General Networking, Network Infrastructure, Local Area Networks, OSI Models, Network Protocols, Network Support, Network Troubleshooting, Dynamic Host Configuration Protocol (DHCP), TCP/IP, Network Architecture, Computer Networking, Network Planning And Design, Wireless Networks, Network Security, Network Switches, Virtual Local Area Network (VLAN)
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Web Applications, SQL, Database Development, Database Application, Data Access, Go (Programming Language), Database Management, Relational Databases, Web Development, Back-End Web Development, Databases, Query Languages, Secure Coding, Server Side, Program Development
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Jenkins, Continuous Integration, CI/CD, Selenium (Software), Test Script Development, OAuth, Software Testing, Development Environment, Application Programming Interface (API), Test Case, Test Tools, Web Development Tools, Git (Version Control System), Software Installation
Intermediate · Course · 3 - 6 Months

Saïd Business School, University of Oxford
Skills you'll gain: AI powered creativity, Generative AI, Generative Model Architectures, AI Product Strategy, Media Production, Content Creation, AI literacy, Creativity, Responsible AI, AI Integrations, Media Strategy, AI Workflows, Media and Communications, Content Strategy, Content Optimization, Content Management, Compliance Management, Marketing Communications, Digital Transformation, Marketing
Intermediate · Course · 1 - 3 Months

LearnKartS
Skills you'll gain: Prompt Engineering, Blogs, Content Scheduling, Google Gemini, Email Automation, Email Marketing, Social Media Marketing, Google Ads, Content Optimization, Search Engine Optimization, Digital Marketing, ChatGPT, Digital Advertising, Content Marketing, Content Creation, Copywriting, Keyword Research, Lead Generation, Artificial Intelligence, Brand Strategy
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Apache Airflow, Data Warehousing, Data Flow Diagrams (DFDs), Data Lakes, Data Pipelines, Diagram Design, Data Integration, Performance Tuning, Data Governance, Cloud Deployment, Data Management, Data Modeling, Data Mapping, Extract, Transform, Load, Trend Analysis, Service Level Agreement, Systems Integration, SQL, Apache Kafka, Python Programming
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Snowflake Schema, Data Pipelines, Apache Airflow, Data Security, Data Governance, Data Architecture, Extract, Transform, Load, Apache Kafka, Performance Tuning, PySpark, Data Warehousing, Data Import/Export, Amazon S3, Amazon Web Services, Real Time Data, Data Processing, SQL, Stored Procedure, Role-Based Access Control (RBAC)
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Banking Services, Banking, Commercial Banking, Bank Regulations, Lending and Underwriting, Retail Banking, Credit Risk, Commercial Lending, Payment Systems, Financial Services, Consumer Lending, Regulatory Compliance, Financial Regulation, Loan Origination, Regulatory Requirements, Securities (Finance), Loan Documentation, Loans, Payment Processing and Collection, Deposit Accounts
Mixed · Course · 1 - 3 Months

EDUCBA
Skills you'll gain: Extensible Markup Language (XML), Extensible Languages and XML, Data Validation, Interoperability, Data Integrity, Data Mapping
Intermediate · Course · 1 - 4 Weeks
University of Illinois Urbana-Champaign
Skills you'll gain: Marketing, MarTech, Marketing Channel, Digital Marketing Tools, Marketing Strategies, Digital Marketing, Promotional Strategies, Digital Transformation, Promotions and Campaigns, Product Development, Market Dynamics, Consumer Behaviour, New Product Development, E-Commerce, Innovation, Customer Engagement
Beginner · Course · 1 - 4 Weeks

Alex Genadinik
Skills you'll gain: Team Motivation, Self-Motivation, Motivational Skills, Goal Setting, Leadership and Management, Initiative and Leadership, Productivity, Employee Engagement, Personal Development, Self-Awareness, Mindfulness, Entrepreneurship
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Azure DevOps, Cloud Services, Cloud API, Application Programming Interface (API)
Intermediate · Course · 1 - 4 Weeks