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.

Korea Advanced Institute of Science and Technology(KAIST)
Skills you'll gain: Design Thinking, Business Modeling, Sales Presentations, Entrepreneurship, Product Development, Prototyping, Presentations, Lean Methodologies, New Product Development, Product Design, Human Centered Design, Entrepreneurial Finance, Value Propositions, Ideation, Innovation, Emerging Technologies, Manufacturing Operations
★ 4.7 (146) · Beginner · Course · 1 - 3 Months

Imperial College London
Skills you'll gain: Microbiology, Public Health and Disease Prevention, Public Health, Sanitation, Infection Control, Infectious Diseases, Environment Health And Safety, Epidemiology, Preventative Care, Emergency Response, Water Resources, Hand Hygiene, Healthcare Ethics, Community Health, Water Quality, Radiation Protection, Environmental Science, Environmental Issue, Immunology
★ 4.8 (123) · Beginner · Course · 1 - 4 Weeks

Cisco Learning and Certifications
Skills you'll gain: File Systems, Endpoint Security, Linux, Operating System Administration, Microsoft Windows, Windows PowerShell, Linux Administration, Windows Servers, Operating Systems, Security Software, Linux Commands, File Management, Network Administration, Active Directory, System Monitoring, System Configuration, OS Process Management, Network Security, Command-Line Interface, Malware Protection
★ 4.8 (67) · Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Unsupervised Learning, Generative AI, Large Language Modeling, Supervised Learning, Deep Learning, Generative Model Architectures, LLM Application, Applied Machine Learning, Artificial Intelligence and Machine Learning (AI/ML), Reinforcement Learning, Statistical Machine Learning, Machine Learning Algorithms, Model Training, Artificial Neural Networks, Feature Engineering, Unstructured Data, Model Evaluation, Dimensionality Reduction, Model Optimization
★ 4.7 (66) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Video Editing, Animations, Timelines, Motion Graphics, Post-Production, Videography, Video Production, Photo/Video Production and Technology, System Configuration, Editing, Data Import/Export, Color Matching, File Management, Performance Tuning
★ 4.1 (25) · Mixed · Course · 1 - 3 Months

DeepLearning.AI
Skills you'll gain: Convolutional Neural Networks, Data Quality, Data Manipulation, Image Analysis, Data Pipelines, Dataflow, Applied Machine Learning, Data Preprocessing, Model Training, Model Optimization, AI Workflows, Model Evaluation, Machine Learning
★ 4.8 (89) · Intermediate · Course · 1 - 4 Weeks

KodeKloud
Skills you'll gain: Network Support, Network Administration, DevOps, Software Development Tools, Networking Hardware, Network Troubleshooting, Command-Line Interface, Web Development, Cloud Applications, Development Environment, Virtualization and Virtual Machines, Virtual Machines, Virtual Environment, Virtualization, Dependency Analysis, Software Development
★ 4.7 (117) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Image Analysis, Image Quality, Matlab, Computer Vision, Digital Signal Processing, Spatial Data Analysis, Medical Imaging, Spatial Analysis, Mathematical Software, Algorithms
★ 4.8 (57) · Beginner · Course · 1 - 4 Weeks

Michigan State University
Skills you'll gain: Product Development, New Product Development, Entrepreneurship, Business Planning, Web Presence, Production Planning, Operations, Accounting, Bookkeeping, Ledgers (Accounting), Small Business Accounting, New Business Development, Demand Generation, Business Development, Commercial Laws, Owned Media, Digital Media Strategy, Financial Statements, Marketing, Promotional Strategies
★ 4.8 (146) · Mixed · Course · 1 - 3 Months

IIT Bombay
Skills you'll gain: Internet Of Things, Network Protocols, Wireless Networks, Data Analysis, Communication Systems, Systems Design, Regression Analysis, Unsupervised Learning
★ 4.6 (84) · Intermediate · Course · 1 - 4 Weeks

Microsoft
Skills you'll gain: ASP.NET, Restful API, Full-Stack Web Development, Cloud Deployment, Performance Tuning, Frontend Integration, .NET Framework, Data Modeling, Frontend Performance, Development Environment, Software Development Tools, Object-Relational Mapping, Web Development, Software Development, Cloud Infrastructure, Web Applications, UI Components, Code Reusability, Authentications, Application Development
★ 4.9 (11) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Databricks, Model Deployment, Responsible AI, Model Training, Microsoft Azure, Data Science, Applied Machine Learning, Data Integration, MLOps (Machine Learning Operations), Predictive Modeling, Model Evaluation, Machine Learning Methods, Machine Learning, Data Preprocessing
★ 4.4 (80) · Intermediate · Course · 1 - 3 Months