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.

École Polytechnique Fédérale de Lausanne
Skills you'll gain: Apache Spark, Apache Hadoop, Scala Programming, Distributed Computing, Big Data, Data Manipulation, Data Processing, Performance Tuning, Data Transformation, SQL, Data Analysis
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Jenkins, CI/CD, Continuous Integration, Test Automation, Continuous Delivery, Software Development, Application Deployment, DevOps, Unit Testing, Agile Methodology, Software Development Methodologies, Performance Testing, Application Performance Management, Application Programming Interface (API), GitHub
Intermediate · Course · 3 - 6 Months

Skills you'll gain: 3D Assets, 3D Modeling, Computer Graphic Techniques, Computer Graphics, Data Import/Export, Performance Tuning
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Animations, Visualization (Computer Graphics), Game Design, Creative Design, Data Import/Export
Intermediate · Course · 1 - 3 Months

Northwestern University
Skills you'll gain: Integrated Marketing Communications, Social Media Marketing, Content Marketing, Social Media, Social Media Strategy, Earned Media, Owned Media, Paid media, Facebook, Content Creation, Drive Engagement, Digital Media Strategy, Advertising, Digital Advertising, Global Marketing, Marketing Strategies, Key Performance Indicators (KPIs), Customer Engagement, A/B Testing
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Ajax, Hypertext Markup Language (HTML), Application Programming Interface (API)
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Technical Documentation, Information Systems Security, Cybersecurity, Virtual Machines, System Configuration, Virtual Environment, Linux, Network Analysis
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Data Structures, Debugging, Functional Design
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Innovation, User Feedback, Growth Mindedness, Resilience, Adaptability, Open Mindset, Entrepreneurship, Creative Problem-Solving, Strategic Thinking, Lifelong Learning, Market Research, Sustainable Business, Continuous Improvement Process, Business, Data-Driven Decision-Making
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Data Structures, Development Environment, C++ (Programming Language), Debugging, Computational Thinking, Integrated Development Environments, Computer Programming
Beginner · Course · 1 - 4 Weeks

Packt
Skills you'll gain: Project Implementation, Team Building, Milestones (Project Management), Project Closure
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Content Marketing, Google Analytics, Digital Media Strategy, Marketing Analytics, Market Intelligence, Personalized Service, Automation
Advanced · Course · 1 - 4 Weeks