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.

American Psychological Association
Skills you'll gain: Decision Making, Decision Intelligence, Psychology, Critical Thinking, Social Sciences, Interpersonal Communications, Diversity Awareness, Persuasive Communication
★ 4.8 (10) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Database Administration, Database Architecture and Administration, Relational Databases, Database Management, Apache Airflow, Operational Databases, PostgreSQL, MySQL, Data Warehousing, Data Pipelines, Extract, Transform, Load, Database Management Systems, Database Design, Data Maintenance, SQL, Data Architecture, Performance Tuning, Disaster Recovery, Data Security, Data Transformation
★ 4.7 (16) · Advanced · Course · 1 - 3 Months

Simplilearn
Skills you'll gain: Social Media, Social Media Marketing, Social Media Management, Social Media Strategy, Social Media Content, Social Media Campaigns, Content Performance Analysis, Social Media Analytics, Brand Management, Campaign Management, Instagram, Content Creation, Performance Analysis, Branding, Campaign Planning, Performance Measurement, Target Audience, Content Scheduling, Brand Strategy, Digital Marketing Tools
★ 4.5 (11) · Beginner · Course · 1 - 4 Weeks

University of Glasgow
Skills you'll gain: Business Writing, Business Correspondence, Writing, Report Writing, Business Communication, Writing and Editing, Storytelling, Organizational Structure, Vocabulary, Grammar, Concision, Target Audience, Press Releases
★ 4.9 (7) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Dashboard Creation, Dashboard, Data Preprocessing, Interactive Data Visualization, Data Visualization Software, Real Time Data, Data Analysis, Application Programming Interface (API), No-Code Development, JSON, Javascript
★ 4.3 (18) · Intermediate · Guided Project · Less Than 2 Hours

SkillUp
Skills you'll gain: Group Policy, Dynamic Host Configuration Protocol (DHCP), Azure Active Directory, Active Directory, Windows Servers, Hyper-V, Remote Access Systems, iSCSI Configuration, Virtual Private Networks (VPN), Containerization, Kubernetes, Microsoft Servers, Microsoft Windows, Docker (Software), Hybrid Cloud Computing, Virtualization, Virtual Machines, Server Administration, Network Administration, Virtual Networking
★ 4.6 (10) · Intermediate · Specialization · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Systems Engineering, Concept Of Operations, Engineering Design Process, Systems Integration, Human Factors, System Testing, Robotics, Structural Engineering, Thermal Management, Physical Science, Electric Power Systems, Environmental Monitoring
★ 5 (10) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Microsoft Excel, Data Validation, Customer Data Management, Excel Formulas, Microsoft 365, Customer Relationship Management, Customer Support, Spreadsheet Software, Customer Service, Data Security, Data Management, Data Integrity, Invoicing, User Accounts, Editing
★ 5 (11) · Beginner · Guided Project · Less Than 2 Hours

Coursera
Skills you'll gain: Content Scheduling, Blogs, Social Media Content, Social Media Management, Facebook, Social Media, Instagram, Social Media Marketing, Marketing Automation, Owned Media, User Accounts, Web Presence, Advertising, Marketing
★ 4.8 (13) · Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Time Series Analysis and Forecasting, Data Visualization, Statistical Visualization, Plot (Graphics), Data Preprocessing, Box Plots, Anomaly Detection, Plotly, Exploratory Data Analysis, Data Processing, Descriptive Analytics, Python Programming
★ 4.5 (19) · Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Performance Measurement, Business Intelligence Software, Interactive Data Visualization, Data Presentation, Analytics, Business Reporting, Dataflow, Anomaly Detection, Machine Learning
★ 4.2 (11) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Generative Adversarial Networks (GANs), Generative Model Architectures, Retrieval-Augmented Generation, Generative AI, Autoencoders, ChatGPT, Model Training, Deep Learning, Model Evaluation, Vision Transformer (ViT), Artificial Intelligence and Machine Learning (AI/ML), Tensorflow, Large Language Modeling, Prompt Engineering, PyTorch (Machine Learning Library), Artificial Neural Networks, Image Analysis, Computer Vision, Unsupervised Learning, Natural Language Processing
★ 3.5 (14) · Beginner · Specialization · 1 - 3 Months