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.

Johns Hopkins University
Skills you'll gain: Algebra, Applied Mathematics, Graphing, Mathematical Modeling, Advanced Mathematics, Calculus, Predictive Modeling
Beginner · Course · 1 - 4 Weeks

Alex Genadinik
Skills you'll gain: Customer Advocacy, Brand Loyalty, Discussion Facilitation, Competitive Analysis, Loyalty Programs, Customer Engagement, Advocacy, Driving engagement, Brand Strategy, Thought Leadership, Customer Retention, Promotional Strategies
Mixed · Course · 1 - 3 Months

Skills you'll gain: File I/O, Code Reusability, File Systems, Command-Line Interface, Python Programming, Package and Software Management, File Management, UI Components, Scripting, User Interface (UI), Graphical Tools, Data Structures, Development Environment, Simulations
Mixed · Course · 1 - 4 Weeks

Cisco Learning and Certifications
Skills you'll gain: Performance Tuning, Wide Area Networks, Network Planning And Design, Continuous Monitoring, Service Level
Beginner · Course · 1 - 3 Months

Skills you'll gain: Tidyverse (R Package), Model Evaluation, Data Visualization, Clinical Data Management, Statistical Visualization, Data Preprocessing, Model Deployment, Data Manipulation, Data Wrangling, Model Training, Predictive Modeling, Model Optimization, R Programming, Data Processing, R (Software), Ggplot2, Predictive Analytics, Data Pipelines, Machine Learning Methods, Machine Learning
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Photography, Photo/Video Production and Technology, Image Quality, Personal Development, Ethical Standards And Conduct, Resourcefulness, Resilience, Overcoming Obstacles, Decision Making, Storytelling, Adaptability, Interpersonal Communications, Aesthetics, Creativity
Beginner · Course · 1 - 3 Months

Skills you'll gain: Penetration Testing, Exploitation techniques, Network Security, Intrusion Detection and Prevention, Hardening, Local Area Networks, Threat Detection, General Networking, Vulnerability Management, System Configuration, Linux Administration, Authentications, Software Installation, Virtual Machines, Network Analysis, Virtualization
Intermediate · Course · 1 - 3 Months

Universidad Austral
Skills you'll gain: Governance, Blockchain, Entrepreneurship, Risk Management, Fundraising and Crowdsourcing, Project Risk Management, Team Building, Legal Risk, Risk Mitigation, Drive Engagement, Business Strategies, Fundraising, Governance Risk Management and Compliance, New Business Development, Strategic Thinking, New Product Development, FinTech, Entrepreneurial Finance, Digital Assets, Business Modeling
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Cinematography, Videography, Photography, Video Production, Photo/Video Production and Technology, Video Editing, Post-Production, Peer Review, Visual Storytelling
Intermediate · Course · 1 - 4 Weeks

LearnKartS
Skills you'll gain: Web Analytics and SEO, Content Management Systems, Web Design, Web Analytics, Supplier Management, Web Design and Development, E-Commerce, WordPress, Search Engine Optimization, No-Code Development, Blogs, Retail Management, Order Management, Order Fulfillment, Web Content, Promotional Strategies, Web Development, Content Management, Web Frameworks, Web Development Tools
Beginner · Specialization · 3 - 6 Months

University of Pittsburgh
Skills you'll gain: Data Storytelling, Data Presentation, Interactive Data Visualization, Data Visualization Software, Data Visualization, Network Analysis, Tableau Software, Network Model, Dashboard Creation, Dashboard, Time Series Analysis and Forecasting, Matplotlib, Data Analysis, Seaborn, Graph Theory, Python Programming
Build toward a degree
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Microsoft Azure, Cloud-Native Computing, Platform As A Service (PaaS), .NET Framework, ASP.NET, Cloud Deployment, Cloud Applications, Cloud Hosting, Microsoft SQL Servers, Data Migration, Performance Tuning, Transact-SQL, Application Deployment, Model View Controller, Verification And Validation
Intermediate · Course · 1 - 4 Weeks