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: Model Training, Fine-tuning, Model Evaluation, Model Optimization, Machine Learning Methods, Predictive Modeling, Tensorflow, Statistical Machine Learning, Machine Learning Software, MLOps (Machine Learning Operations), Computer Vision, Performance Testing, Transfer Learning, Feature Engineering, Scikit Learn (Machine Learning Library), Verification And Validation, Network Architecture, Deep Learning, Benchmarking, PyTorch (Machine Learning Library)
Intermediate · Specialization · 1 - 3 Months
Rice University
Skills you'll gain: Financial Market, Investments, Securities (Finance), Financial Systems, Investment Management, Securities Trading, General Finance, Capital Markets, Equities, Financial Trading, Finance, Portfolio Management, Derivatives, Corporate Finance, Business Mathematics, Cash Flows
Mixed · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Extract, Transform, Load, Data Pipelines, Geospatial Information and Technology, Apache Airflow, Geospatial Mapping, Spatial Data Analysis, GIS Software, Cloud Computing, Geographic Information Systems, Leaflet (Software), Google Cloud Platform, Real Time Data, Global Positioning Systems, Data Transformation, Data Analysis, Anomaly Detection, Technical Communication, Machine Learning
Beginner · Course · 3 - 6 Months

University of California, Irvine
Skills you'll gain: Object Oriented Programming (OOP), C (Programming Language), Python Programming, Data Import/Export, Memory Management, File I/O, Computational Logic, Network Protocols, Package and Software Management
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Random Forest Algorithm, Model Evaluation, Feature Engineering, Model Training, Applied Machine Learning, Supervised Learning, Geospatial Mapping, Predictive Modeling, Image Analysis, Verification And Validation, Data Science, Environmental Engineering
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Unit Testing, Angular, Jest (JavaScript Testing Framework), Software Testing, Development Testing, Test Automation, Test Script Development, Development Environment, Node.JS
Intermediate · Course · 1 - 3 Months

SkillsBooster Academy
Skills you'll gain: Prompt Engineering, Vibe coding, AI Workflows, Generative AI Agents, Generative AI, AI Personalization, Software Development Tools, GitHub, Application Development, Artificial Intelligence, Code Review, Responsible AI, Design Software, Web Development Tools, Front-End Web Development, Software Development, React.js, Javascript, Web Development, Software Engineering
Beginner · Course · 1 - 3 Months

University of Alberta
Skills you'll gain: Hydrology, Physical Science, Biology, Water Resources, Mitigation, Hazard Analysis, Environmental Issue, Environment and Resource Management, Accident Prevention, Social Studies, Climate Change Adaptation, Environmental Science, Risk Management, Life Sciences, Physiology, World History
Mixed · Course · 1 - 3 Months

Google Cloud
Skills you'll gain: Security Information and Event Management (SIEM), Role-Based Access Control (RBAC), Dashboard Creation, Threat Detection, Incident Response, Data Import/Export, Identity and Access Management, Computer Security Incident Management, Data Integration, Data Modeling
Beginner · Course · 1 - 3 Months

Skills you'll gain: Pseudocode, Responsive Web Design, Computational Thinking, LinkedIn, Cascading Style Sheets (CSS), Front-End Web Development, React.js, HTML and CSS, Debugging, Algorithms, Interviewing Skills, UI Components, Professional Development, Web Presence, JavaScript Frameworks, Web Development Tools, Computational Logic, Web Development, Javascript, Software Development
Intermediate · Specialization · 1 - 3 Months

Scrimba
Skills you'll gain: AI Security, Generative AI Agents, Agentic Workflows, LLM Application, AI Personalization, AI Integrations, Agentic systems, Cloud Hosting, Artificial Intelligence, Artificial Intelligence and Machine Learning (AI/ML), Cloud Deployment, Generative AI, Application Deployment
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Email Marketing, Campaign Management, Presentations, Microsoft Outlook, Campaign Planning, Workflow Management, Email Automation, Performance Reporting, Report Writing, Digital Marketing Campaigns, Brand Strategy, Social Media Campaigns, Marketing Planning, Brand Management, Communication Planning, Performance Analysis, Marketing Automation, Coordinating, Marketing Communications, Marketing Analytics
Beginner · Course · 3 - 6 Months