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.

Skills you'll gain: Threat Modeling, Application Security, Secure Coding, Authentications, OAuth, Threat Management, Software Testing, Development Testing, Software Development Life Cycle, Unit Testing, Security Testing, Unified Modeling Language, Authorization (Computing), Single Sign-On (SSO), Databases, Security Software, Software Development, Cyber Security Assessment, Cyber Security Strategy, Cybersecurity
Intermediate · Course · 3 - 6 Months

Coursera
Skills you'll gain: Surveys, Survey Creation, User Feedback, Case Studies, Data Quality, Research Design, User Research, Data Collection, Qualitative Research
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Exploratory Data Analysis, Feature Engineering, Data Analysis, Data Preprocessing, Model Evaluation, Data Wrangling, Data Import/Export, Data Transformation, Predictive Modeling, Applied Machine Learning, Predictive Analytics, Statistical Methods, Regression Analysis, Model Training, Model Optimization, Artificial Neural Networks
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Code Reusability, Data Management, Program Development, Automation, Computational Logic
Intermediate · Course · 1 - 3 Months

Packt
Skills you'll gain: Amazon Web Services, Disaster Recovery, Threat Management, User Provisioning, Authentications, Configuration Management, Automation
Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: Email Automation, Marketing Automation, Email Marketing, Campaign Management, Data-Driven Marketing, Workflow Management, Automation, Performance Measurement, Driving engagement, Performance Analysis, Process Improvement and Optimization, Customer Engagement
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Dashboard Creation, Data Storytelling, Dashboard, Market Data, Data-Driven Decision-Making, Tableau Software, Data Presentation, Financial Market, Interactive Data Visualization, Financial Data, Financial Analysis, Storytelling, Business Intelligence, Data Analysis, Data Visualization, Data Visualization Software, Analytics, Trend Analysis
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Node.JS, Dataflow, Data Pipelines, Live Streaming, Real Time Data, File I/O, Javascript, Server Side, Interoperability, TCP/IP, Servers, Front-End Web Development
Intermediate · Course · 1 - 3 Months

Skillshare
Skills you'll gain: Photo Editing, Typography, Graphics Software, Editing, Graphic Design, Photography, Image Quality, Software Installation, Automation
Beginner · Course · 1 - 3 Months

Skills you'll gain: Google Analytics, Web Analytics, Data-Driven Marketing, Marketing Analytics, Target Audience, Digital Analysis, Marketing Effectiveness, Data Validation, Real Time Data, Trend Analysis, Data Quality, Variance Analysis, Anomaly Detection, Benchmarking
Beginner · Course · 1 - 4 Weeks
Skills you'll gain: Model Training, Java Programming, Java, Feature Engineering, Machine Learning Methods, Statistical Machine Learning, Machine Learning Algorithms, Deep Learning, Data Pipelines
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Working Capital, Financial Statement Analysis, Portfolio Risk, Business Ethics, Portfolio Management, Cash Management, Financial Statements, Financial Analysis, Ethical Standards And Conduct, Law, Regulation, and Compliance, Investment Management, Business Valuation, Regulation and Legal Compliance, Financial Management, Business Risk Management, Risk Modeling, Cash Flows, Strategic Decision-Making, Governance, Environmental Social And Corporate Governance (ESG)
Beginner · Course · 1 - 3 Months