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 Colorado Boulder
Skills you'll gain: Unsupervised Learning, Anomaly Detection, Data Preprocessing, Machine Learning Methods, Data Mining, Applied Machine Learning, Feature Engineering, Data Analysis, Correlation Analysis, Algorithms
Intermediate · Course · 1 - 3 Months

Whizlabs
Skills you'll gain: Ansible, IT Automation, Devops Tools, Automation, DevOps, YAML, Linux, Encryption, Security Controls, System Configuration
Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Product Planning, Target Market, Persona Development, Operational Performance Management, Target Audience, Market Opportunities, Systems Thinking, Business Modeling, Product Lifecycle Management, Customer Analysis, Operational Analysis, Entrepreneurship, Leadership and Management, Business Planning, Engineering Management, Market Analysis, People Management, New Product Development, Governance, Engineering
Build toward a degree
Beginner · Course · 1 - 3 Months

SkillUp
Skills you'll gain: Hibernate (Java), Object-Relational Mapping, Spring Boot, Restful API, Java, NoSQL, Database Development, Spring Framework, SQL, Database Systems, Databases, Database Design, Application Frameworks, Java Programming, Data Access, Database Management, Relational Databases, Back-End Web Development, Software Development
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Application Programming Interface (API), Javascript, Web Development
Intermediate · Course · 1 - 4 Weeks

Edureka
Skills you'll gain: Angular, Application Deployment, JavaScript Frameworks, Software Testing, Test Tools, Web Development Tools, Unit Testing, Application Performance Management, CI/CD, Continuous Integration, Web Applications, TypeScript, Ajax, Application Lifecycle Management, Secure Coding, Web Development, Code Coverage, Software Architecture, Command-Line Interface, Version Control
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Networking Hardware, OSI Models, Network Architecture, Network Protocols, General Networking, Network Security, TCP/IP, Computer Networking, Cloud Technologies, Network Infrastructure, Network Administration, Local Area Networks, Cloud Platforms, Network Planning And Design, Routing Protocols, Cloud Infrastructure, Virtual Private Networks (VPN), Cloud Services, Telecommunications, Wireless Networks
Intermediate · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Image Analysis, Model Training, Supervised Learning, Applied Machine Learning, Model Evaluation, Machine Learning Methods, Demand Planning, Artificial Intelligence and Machine Learning (AI/ML), Predictive Modeling, Anomaly Detection, Artificial Intelligence, Convolutional Neural Networks, Model Optimization, Statistical Machine Learning, Supply Chain Management, Machine Learning, Computer Vision, Machine Learning Algorithms, Supply Chain, Natural Language Processing
Intermediate · Course · 1 - 4 Weeks

Simplilearn
Skills you'll gain: Supervised Learning, Data Modeling, Unsupervised Learning, Applied Machine Learning, Data Analysis, Recurrent Neural Networks (RNNs), Model Deployment, Reinforcement Learning, Artificial Intelligence, Classification Algorithms, Tensorflow, Machine Learning Algorithms, Keras (Neural Network Library), Artificial Neural Networks, Machine Learning Methods, Deep Learning, Predictive Modeling, Machine Learning, Decision Tree Learning, Regression Analysis
Beginner · Specialization · 1 - 3 Months

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

Skills you'll gain: Application Programming Interface (API), AI Integrations, Restful API, ChatGPT, Generative AI, OpenAI API, JSON, Full-Stack Web Development, Application Deployment, Secure Coding, LLM Application, User Interface (UI), Python Programming, User Interface (UI) Design, Application Development, Back-End Web Development, Debugging
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Routing Protocols, TCP/IP, Network Switches, Network Routers, Virtual Local Area Network (VLAN), Network Protocols, Network Security, General Networking, Network Routing, Network Troubleshooting, Network Administration, Computer Networking, Open Shortest Path First (OSPF), Network Monitoring, Dynamic Host Configuration Protocol (DHCP), Local Area Networks, Network Planning And Design, Border Gateway Protocol, Network Performance Management, Proxy Servers
Intermediate · Course · 1 - 3 Months