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.

Whizlabs
Skills you'll gain: Microsoft Azure, Virtual Networking, Cloud Services, System Monitoring, Infrastructure As A Service (IaaS), Network Monitoring, Cloud Engineering, Application Performance Management, Cloud Management, Network Troubleshooting, Cloud Infrastructure, Cloud Storage, Virtual Machines, Event Monitoring, Disaster Recovery, Continuous Monitoring, Data Storage, Query Languages
★ 4 (28) · Intermediate · Course · 1 - 4 Weeks
Skills you'll gain: Descriptive Statistics, R (Software), Statistical Hypothesis Testing, Correlation Analysis, Tidyverse (R Package), Data Analysis, Regression Analysis, Probability & Statistics, Statistical Methods, Data Analysis Software, Data Import/Export, Statistical Analysis, R Programming, Data Wrangling, Statistical Software, Statistical Programming, Data Manipulation
★ 4.3 (19) · Beginner · Course · 1 - 3 Months

University of Pittsburgh
Skills you'll gain: NumPy, Matplotlib, Plot (Graphics), Linear Algebra, Pandas (Python Package), Data Manipulation, Applied Mathematics, Python Programming, Data Analysis, Data Science, Mathematical Software, Regression Analysis, Data Visualization Software, Mathematics and Mathematical Modeling, Probability & Statistics, Numerical Analysis, Mathematical Modeling, Machine Learning, Computational Logic, Logical Reasoning
★ 3.9 (8) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Microsoft Power Automate/Flow, Microsoft Power Platform, Business Workflow Analysis, Workflow Management, Process Analysis, Microsoft Copilot, AI Workflows, Business Process Automation, Process Optimization, Automation, Application Lifecycle Management, Business Process Management, Cloud-Based Integration, Document Management, Event-Driven Programming
★ 2.6 (13) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Networking Hardware, OSI Models, Network Architecture, Network Protocols, General Networking, Network Security, TCP/IP, Computer Networking, Cloud Technologies, Network Infrastructure, Network Administration, Local Area Networks, Cloud Platforms, Network Planning And Design, Routing Protocols, Cloud Infrastructure, Virtual Private Networks (VPN), Cloud Services, Telecommunications, Wireless Networks
★ 4.3 (12) · Intermediate · Course · 1 - 3 Months

Packt
Skills you'll gain: Conflict Management, Active Listening, Teamwork, Collaboration, Professionalism, Relationship Management, Interpersonal Communications, Culture Transformation, Emotional Intelligence, Accountability
★ 4.8 (20) · Beginner · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Responsive Web Design, Cloud Deployment, Web Design, Database Development, Database Systems, Front-End Web Development, Application Programming Interface (API), Full-Stack Web Development, Amazon Web Services, Cloud Computing, User Interface (UI), Authentications, Development Environment, Web Applications, Frontend Performance, Cascading Style Sheets (CSS), Continuous Deployment, Web Frameworks, Continuous Integration, Frontend Integration
Advanced · Specialization · 1 - 3 Months

Skills you'll gain: Cash Flows, Income Statement, Financial Analysis, Financial Accounting, Revenue Recognition, Generally Accepted Accounting Principles (GAAP)
★ 4.5 (29) · Mixed · Course · 1 - 3 Months

SkillUp
Skills you'll gain: Hibernate (Java), Object-Relational Mapping, Spring Boot, Restful API, Java, NoSQL, Database Development, Spring Framework, SQL, Database Systems, Databases, Database Design, Application Frameworks, Java Programming, Data Access, Database Management, Relational Databases, Back-End Web Development, Software Development
★ 4.8 (10) · Intermediate · Course · 1 - 4 Weeks
Skills you'll gain: Business Writing, Concision, Writing, Persuasive Communication, Technical Writing, Business Communication, Grammar, Target Audience, Writing and Editing, Editing, Technical Communication, Communication, AI Enablement, Productivity
★ 4.7 (15) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Customer Insights, Customer Analysis, User Feedback, Customer experience strategy (CX), Customer experience improvement, Customer Service, Market Research, Branding, Advertising, Public Relations
★ 4.7 (14) · Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Sales Process, Active Listening, Prospecting and Qualification, Business Communication, Sales, Sales Development, Verbal Communication Skills, Selling Techniques, Inside Sales, Communication, Customer Analysis, Technical Sales, Sales Prospecting, Outside Sales, Interviewing Skills
★ 4.7 (17) · Beginner · Course · 1 - 4 Weeks