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.

Birla Institute of Technology & Science, Pilani
Skills you'll gain: C (Programming Language), Programming Principles, Computer Programming, Memory Management, Computational Thinking, Computer Systems, Data Structures, Algorithms, File I/O, Operating Systems, Computer Hardware
★ 4.5 (56) · Beginner · Course · 1 - 3 Months

Sapienza University of Rome
Skills you'll gain: Ancient History, Data Collection, Scientific Methods, Research Methodologies, Public History, Research, Investigation, World History, European History, Culture
★ 4.8 (147) · Beginner · Course · 1 - 3 Months

Microsoft
Skills you'll gain: Web Scraping, Git (Version Control System), Test Script Development, Scripting, Version Control, Test Automation, IT Automation, Email Automation, Test Tools, Software Testing, Cloud API, Scripting Languages, Automation, Restful API, Application Programming Interface (API), Data Ethics, Scalability, Python Programming, File I/O, Productivity
★ 3.7 (47) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Model Deployment, Apache Spark, Data Pipelines, Cloud Deployment, Model Training, IBM Cloud, Applied Machine Learning, Machine Learning Methods, Model Optimization, Machine Learning Algorithms, Docker (Software), Machine Learning, Containerization, Data Science, Python Programming, Scalability, Design Thinking
★ 4.3 (62) · Advanced · Course · 1 - 4 Weeks

Arizona State University
Skills you'll gain: Visionary, Strategic Thinking, Proactivity, Creative Thinking, Cognitive flexibility, Optimism, Open Mindset, Empowerment, Planning, Creativity, Critical Thinking, Decision Making
★ 4.5 (56) · Mixed · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Rmarkdown, Tidyverse (R Package), Ggplot2, Spatial Data Analysis, Data Visualization Software, Plot (Graphics), Data Visualization, Statistical Visualization, Spatial Analysis, Geospatial Information and Technology, Data Manipulation, Scatter Plots, R (Software), Plotly, Interactive Data Visualization, R Programming, Geospatial Mapping, Statistical Reporting, Data Wrangling, Graphing
★ 4.9 (81) · Mixed · Course · 1 - 4 Weeks

Knowledge Accelerators
Skills you'll gain: Cyber Security Policies, AI Security, Threat Management, Cybersecurity, Cyber Attacks, Cyber Risk, Email Security, Endpoint Security, Mobile Security, Remote Access Systems, Multi-Factor Authentication, Artificial Intelligence, Cloud Computing
★ 4.9 (47) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Google Sheets, Proposal Development, Variance Analysis, Trend Analysis, Budget Management, Budgeting, Spreadsheet Software, Google Workspace, Presentations, Financial Acumen, Finance
★ 4.6 (81) · Beginner · Guided Project · Less Than 2 Hours

National Academy of Sports Medicine
Skills you'll gain: Nutrition and Diet, Nutrition Counseling, Nutrition Education, Preventative Care, Public Health and Disease Prevention, Patient Education And Counseling, Nutritional Assessment, Health And Wellness Coaching, Exercise Science, Meal Planning And Preparation, Physiology, Communication, Ethical Standards And Conduct
★ 4.7 (57) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Aerospace Basic Quality System Standards, Basic Electrical Systems, Engineering Practices, Electronics, Electronics Engineering, System Monitoring, Control Systems, Electronic Systems, Electronic Components, Electrical Systems, Safety Assurance, Test Equipment, Global Positioning Systems, Display Devices, Communication Systems, Engineering, Analysis, Operations
★ 4.7 (81) · Beginner · Course · 1 - 4 Weeks

University of Michigan
Skills you'll gain: Health Disparities, Health Equity, Social Determinants Of Health, Social Justice, Intercultural Competence, Public Health and Disease Prevention, Cultural Responsiveness, Public Health, Diversity Awareness, Community Health, Health Policy, Health Systems, Socioeconomics, Cultural Sensitivity, Discussion Facilitation
★ 4.6 (47) · Beginner · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: Object Oriented Programming (OOP), File I/O, Data Structures, Python Programming, Programming Principles, Computer Programming, Computational Logic, Software Engineering, Performance Tuning, Web Development, Performance Testing, Web Development Tools, Debugging, Software Development
★ 4.6 (67) · Beginner · Specialization · 1 - 4 Weeks