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.

Whizlabs
Skills you'll gain: Data Security, Network Security, Cyber Attacks, Security Testing, Digital Forensics, Infrastructure Security, Identity and Access Management, Cloud Security, Security Controls, Computer Security Awareness Training, Security Awareness, Threat Detection, Threat Management, Cyber Security Assessment, Test Tools, Firewall, OSI Models, Authentications, Encryption, Cloud Computing
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Application Deployment, GitHub, Cloud Deployment, Performance Tuning, Unit Testing, Frontend Performance, System Monitoring
Intermediate · Course · 1 - 4 Weeks
Skills you'll gain: electromagnetics, Electronics, Wireless Networks, Performance Tuning, Network Planning And Design, Process Optimization, Design, Analysis, Mathematical Modeling
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Linux Servers, Linux Administration, Command-Line Interface, Bash (Scripting Language), Apache, Performance Tuning, Operating System Administration, Shell Script, Linux Commands, Web Servers, Server Administration, Unix Shell, Systems Administration, System Monitoring, Network Monitoring, Scripting, Servers, Unix Commands, Application Servers, File Systems
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Ansible, IT Automation, Automation, Devops Tools, Linux Servers, Infrastructure as Code (IaC), Windows Servers, Command-Line Interface, YAML, Configuration Management, Microsoft Windows
Beginner · Course · 1 - 4 Weeks

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: Large Language Modeling, LLM Application, Fine-tuning, Model Deployment, Model Training, Transfer Learning, Generative Model Architectures, Prompt Engineering, Model Optimization, Generative AI, Model Evaluation, Deep Learning, Natural Language Processing, Recurrent Neural Networks (RNNs), AI Security, Responsible AI, Scalability, Machine Learning
Advanced · Course · 3 - 6 Months

Skills you'll gain: Vector Databases, Web Design and Development, AI Personalization, Web Development, Web Applications, HTML and CSS, Natural Language Processing, Data Store, Embeddings, Javascript, Database Management, LLM Application, Persona (User Experience), Real Time Data, Generative AI Agents
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: AI Personalization, Responsible AI, Data Ethics, Customer experience improvement, User Feedback, Generative AI, Self Service Technologies, Personalized Service, Customer Support, Call Center Experience, Customer Service, Customer Analysis, Customer Insights, Automation, Customer Engagement, AI literacy, Artificial Intelligence, Law, Regulation, and Compliance, Compliance Training, AI Integrations
Beginner · Course · 1 - 4 Weeks