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.

LearnKartS
Skills you'll gain: Cybersecurity, Network Security, Cyber Attacks, Penetration Testing, Cyber Security Assessment, Application Security, Cyber Security Strategy, Cyber Threat Intelligence, Vulnerability Scanning, Security Controls, Network Monitoring, Data Security, Cyber Risk
★ 4.7 (50) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Power BI, Data Ethics, Statistical Visualization, Data Visualization Software, Data Analysis, Statistical Analysis, Correlation Analysis, Business Intelligence, Statistical Methods, Advanced Analytics, Data Analysis Expressions (DAX), Analytical Skills, Data-Driven Decision-Making, Exploratory Data Analysis, Trend Analysis, Time Series Analysis and Forecasting, Interactive Data Visualization, Spatial Data Analysis, Scatter Plots, Forecasting
★ 4.8 (30) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Generative AI, Responsible AI, Data Ethics, Health Care Procedure and Regulation, AI literacy, Healthcare Industry Knowledge, Medical Privacy, Artificial Intelligence, Healthcare Ethics, Treatment Planning, Medical Imaging, Natural Language Processing, Decision Support Systems
★ 4.2 (49) · Beginner · Course · 1 - 3 Months

Simplilearn
Skills you'll gain: Search Engine Marketing, Google Ads, Search Engine Optimization, Marketing Strategies, Pay Per Click Advertising, Data-Driven Marketing, Web Analytics and SEO, Online Advertising, Digital Marketing Tools, Marketing Effectiveness, Email Marketing, Marketing Analytics, Digital Marketing Campaigns, Digital Marketing, Marketing Planning, Marketing, Digital Advertising, Driving engagement, Strategic Marketing, Social Media Marketing
★ 4.5 (38) · Beginner · Specialization · 1 - 3 Months

Universitat Autònoma de Barcelona
Skills you'll gain: Service Design, Hospitality, Hospitality Management, Customer Insights, Customer experience improvement, Service Management, Sustainable Business, Sustainable Development, Corporate Sustainability, Consumer Behaviour, Language Interpretation, Translation, and Studies, Sustainability Standards, Strategic Marketing, Marketing, Communication
★ 4.7 (45) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Game Design, Software Design Documents, Unreal Engine, Video Game Development, Collaborative Software, Software Documentation, Virtual Environment, Layout Design, Interactive Design, 3D Assets, Prototyping, Diagram Design, Design Elements And Principles, Storytelling
★ 4.3 (71) · Beginner · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Surveys, Survey Creation, Sampling (Statistics), Quantitative Research, Analysis, Research Methodologies, Data Analysis, Data Collection, Data Quality, Data Transformation, Statistical Analysis, Data Modeling, Data Validation, Statistical Methods, Mitigation
★ 4.7 (82) · Beginner · Course · 1 - 4 Weeks

Corporate Finance Institute
Skills you'll gain: Data Analysis Expressions (DAX), Snowflake Schema, Power BI, Excel Formulas, Financial Statements, Business Intelligence, Financial Reporting, Cash Flows, Microsoft Excel, Financial Data, Data Modeling, Financial Analysis, SQL, Data Import/Export
★ 4.7 (44) · Beginner · Course · 1 - 3 Months

Ball State University
Skills you'll gain: Program Development, Data Analysis, Programming Principles, Statistical Analysis, Computer Programming, Analytics, Python Programming, Natural Language Processing, Computer Science, Text Mining, NumPy, Data Processing, Code Reusability, Mathematical Software, Debugging, Computational Logic, Data Manipulation
★ 4.7 (30) · Beginner · Course · 1 - 3 Months

MathWorks
Skills you'll gain: Medical Imaging, Magnetic Resonance Imaging, Image Analysis, Data Import/Export, Image Quality, Matlab, Deep Learning, Software Visualization
★ 4.7 (28) · Beginner · Course · 1 - 4 Weeks

Goodwill Industries International
Skills you'll gain: Constructive Feedback, Coaching, Virtual Teams, Professional Development, Talent Pipelining, Telecommuting, Drive Engagement, Project Closure, Project Design, Professional Networking, Adaptability, Stakeholder Engagement, Fundraising and Crowdsourcing, Workforce Development, Strategic Partnership, Project Implementation, Technology Strategies, Emerging Technologies, Relationship Building, Presentations
★ 4.7 (52) · Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: R (Software), R Programming, Computational Logic, Arithmetic, Statistical Programming, Development Environment, Programming Principles, Data Import/Export
★ 4.5 (52) · Beginner · Guided Project · Less Than 2 Hours