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.

Skills you'll gain: Statistical Process Controls, Six Sigma Methodology, Lean Methodologies, Quality Management, Quality Improvement, Lean Six Sigma, Quality Monitoring, Kaizen Methodology, Quality Management Systems, Quality Control, Brainstorming, Benchmarking, Process Improvement, Run Chart, Continuous Improvement Process, Pareto Chart, Root Cause Analysis
★ 4.6 (29) · Mixed · Course · 1 - 4 Weeks

Illinois Tech
Skills you'll gain: Time Series Analysis and Forecasting, R (Software), Statistical Analysis, Statistical Software, Forecasting, Statistical Programming, Statistical Modeling, Data Analysis, Statistical Methods, Statistical Reporting, Predictive Modeling, Correlation Analysis, Exploratory Data Analysis, Statistical Visualization, Data Presentation, Probability & Statistics, Model Evaluation, Statistical Hypothesis Testing, Data Transformation
★ 4.1 (8) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Creativity, Habit Formation, Computer Graphic Techniques, Graphics Software, Peer Review, Digital Design, Creative Thinking, Goal Setting, Creative Design, Design Software, Constructive Feedback, Apple software proficiency
★ 5 (7) · Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Power BI, Data Analysis Expressions (DAX), Data Pipelines, Data Transformation, Data Analysis, Analytics, Data Warehousing, Data Integration, Data Cleansing, Data Governance, Performance Tuning
★ 4.2 (6) · Beginner · Course · 1 - 3 Months

Scrimba
Skills you'll gain: JavaScript Frameworks, UI Components, Full-Stack Web Development, React.js, TypeScript, Code Reusability, Front-End Web Development, Web Development, Web Applications, Frontend Performance, Server Side, User Interface and User Experience (UI/UX) Design, Software Development, File Systems
★ 4.8 (6) · Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Collaborative Software, Meeting Facilitation, Virtual Teams, Drive Engagement, Telecommuting, Experience Design, Business Process Management, Virtual Environment
★ 4.1 (20) · Intermediate · Guided Project · Less Than 2 Hours

Edureka
Skills you'll gain: Inventory and Warehousing, Database Design, Data-Driven Decision-Making, Analytics, Cloud Storage, Dashboard, Spreadsheet Software, Dashboard Creation, Data Management
★ 4.8 (16) · Intermediate · Course · 1 - 4 Weeks

Vanderbilt University
Skills you'll gain: Email Automation, Prompt Engineering, ChatGPT, HubSpot CRM, Google Sheets, Workflow Management, Automation, Gmail, AI Workflows, AI Integrations, Unstructured Data, Generative AI
★ 5 (12) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Prompt Engineering, OpenAI API, ChatGPT, Token Optimization, Application Programming Interface (API), API Testing, AI Integrations, Authentications, Context Engineering, Large Language Modeling, Key Management, Model Optimization, Performance Tuning
★ 4.1 (9) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Incident Response, Computer Security Incident Management, Incident Management, Threat Detection, Event Monitoring, Threat Management, Security Information and Event Management (SIEM), Document Management, Cybersecurity, NIST 800-53
★ 5 (9) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Process Mapping, Business Process Modeling, Process Analysis, Business Process Improvement, Process Design, Business Process Management, Process Improvement, Lean Methodologies, Systems Thinking, Lean Six Sigma, Change Management, Quality Improvement, Process Flow Diagrams, Six Sigma Methodology, Stakeholder Analysis, Agile Methodology, Matrix Management, Dataflow, Prioritization, Generative AI
★ 4.5 (8) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Selenium (Software), Test Automation, Software Testing, Test Script Development, Test Data, Browser Compatibility, Java, Cascading Style Sheets (CSS), Data Import/Export, Debugging, Maintainability
★ 4.4 (14) · Intermediate · Course · 1 - 3 Months