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.

University of Cambridge
Skills you'll gain: Financial Acumen, Financial Controls, Variance Analysis, Business Mathematics, Financial Forecasting, Cost Benefit Analysis, Financial Management, Capital Budgeting, Financial Analysis, Budget Management, Financial Modeling, Financial Reporting, Financial Statement Analysis, Cost Estimation, Financial Statements, Return On Investment, Accounting, Budgeting, Microsoft Excel
★ 4.3 (7) · Beginner · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Matplotlib, Statistical Visualization, Seaborn, Data Visualization, Data-Driven Decision-Making, Exploratory Data Analysis, Data Presentation, Plot (Graphics), Data Visualization Software, Descriptive Statistics, Pandas (Python Package), Data Analysis, Statistics, Statistical Analysis, Data Manipulation, Correlation Analysis, Python Programming
★ 4.9 (7) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Database Design, Frontend Integration, Continuous Integration, Restful API, Database Development, Docker (Software), Model View Controller, Front-End Web Development, Relational Databases, Databases, Web Design and Development, User Story, CI/CD, Java, Java Programming, Database Application, Full-Stack Web Development, Spring Boot, Back-End Web Development, Software Design Documents
★ 4.3 (10) · Advanced · Course · 1 - 3 Months

O.P. Jindal Global University
Skills you'll gain: Model Evaluation, Supervised Learning, Model Training, Scikit Learn (Machine Learning Library), Tensorflow, Model Deployment, Applied Machine Learning, Artificial Neural Networks, Python Programming, NumPy, Machine Learning Algorithms, Matplotlib, Deep Learning, Image Analysis, Machine Learning, Model Optimization, Embeddings, Pandas (Python Package), Natural Language Processing
★ 3.9 (9) · Beginner · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Responsive Web Design, User Interface (UI) Design, User Interface (UI), HTML and CSS, Front-End Web Development, Web Development Tools, Web Design and Development, User Interface and User Experience (UI/UX) Design, Bootstrap (Front-End Framework), React.js, Web Development, Web Design, Javascript, Cascading Style Sheets (CSS), UI Components, JavaScript Frameworks, Hypertext Markup Language (HTML), Semantic Web
★ 3.8 (14) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Human Capital, Human Resources Management and Planning, Human Resources, Talent Management, Workforce Planning, Talent Acquisition, Human Resource Strategy, Employee Performance Management, Performance Appraisal, Talent Recruitment, Labor Relations, Human Relations Movement, Workforce Development, Performance Management, Compensation and Benefits, Succession Planning, Diversity Programs, Labor Law, Diversity and Inclusion, Occupational Safety And Health
★ 4.7 (32) · Mixed · Course · 1 - 4 Weeks

MedCerts
Skills you'll gain: Patient Communication, Patient-centered Care, Nutrition Education, Nutrition and Diet, Basic Patient Care, Patient Education And Counseling, Vital Signs, Direct Patient Care, Medical Assistance, Patient Education and Support, Clinical Nutrition, Health Assessment, Patient Observation, Health And Wellness Coaching, Medical History Documentation, Clinical Assessment
★ 5 (12) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Pivot Tables And Charts, Microsoft Excel, Spreadsheet Software, Excel Macros, Data Presentation, Data Analysis, Data Visualization Software, Data Security, Data Integrity, Automation
★ 5 (30) · Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Computer Security Incident Management, Network Analysis, Anomaly Detection, JSON
★ 4.8 (24) · Beginner · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: Agile Product Development, Customer Insights, Customer experience strategy (CX), Customer Engagement, New Product Development, Innovation, Business Strategies, Business Strategy, Market Dynamics
★ 4.7 (34) · Intermediate · Course · 1 - 4 Weeks

Skillshare
Skills you'll gain: Cinematography, Video Editing, Videography, Post-Production, Video Production, Storytelling, Proposal Writing, Proposal Development, Target Audience, Presentations, Visual Storytelling, Target Market, Writing, Sales Presentations, Editing, Promotional Strategies, Marketing, Concision, Creativity, Program Standards
★ 4.1 (9) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Keyword Research, Copywriting, Search Engine Optimization, Content Strategy, Content Optimization, Web Content, Web Analytics and SEO, Content Development and Management, Blogs, Content Management, Content Creation, Writing and Editing, Writing, Content Marketing, Editing, Driving engagement
★ 4.6 (7) · Beginner · Course · 1 - 3 Months