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.

Simplilearn
Skills you'll gain: Data-Driven Marketing, Email Marketing, Email Automation, Marketing Analytics, Campaign Management, Marketing Automation, Target Audience, Marketing Strategies, Performance Analysis, Digital Marketing Tools, Web Presence, Customer Engagement, Cross-Channel Marketing, Account Management, Dashboard, Customer Data Management, Configuration Management
Beginner · Course · 1 - 4 Weeks
Skills you'll gain: Mobile Security, AI Security, Exploitation techniques, Threat Detection, Security Controls, Intrusion Detection and Prevention, Threat Modeling, Hardening, AI literacy, Malware Protection, Endpoint Security, Artificial Intelligence, Mobile Development Tools, Prompt Engineering, Human Factors (Security), Incident Response, Information Privacy
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Target Audience, Microsoft Outlook, Email Marketing, Email Automation, Campaign Management, Campaign Planning, Compliance Auditing, Customer Relationship Management (CRM) Software, Process Optimization, Process Improvement, Google Workspace, Marketing Planning, Data Mapping, Marketing Effectiveness, Marketing Automation, Regulatory Compliance, Gmail, Project Planning, Copywriting, Brand Management
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Unity Engine, Event-Driven Programming, C# (Programming Language), Game Design, UI Components, User Interface (UI), Video Game Development, User Interface (UI) Design, Scripting, Development Environment, Code Reusability
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Linux Servers, Network Administration, System Configuration, User Accounts, Key Management, Brute-force attacks
Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: Newsletters, Email Marketing, Content Performance Analysis, Digital Marketing Campaigns, Driving engagement, Digital Marketing, Marketing Effectiveness, Digital Marketing Tools, Marketing Materials, Customer Engagement, Performance Metric, Content Creation, Key Performance Indicators (KPIs), Performance Measurement, Personalized Campaigns
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Apache Maven, Build Tools, Hibernate (Java), Unit Testing, Data Persistence, Docker (Software), Software Testing, Object-Relational Mapping
Intermediate · Course · 1 - 3 Months

Skills you'll gain: AWS Identity and Access Management (IAM), Amazon Web Services, Penetration Testing, Exploit development, Security Testing, Cyber Security Assessment, Identity and Access Management, Vulnerability Assessments, Cloud Security, Amazon Elastic Compute Cloud, Exploitation techniques, Cyber Security Policies, Data Security, Amazon S3, Scenario Testing, Command-Line Interface
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Spatial Data Analysis, Datamaps, Storytelling
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Unreal Engine, 3D Assets, 3D Modeling, Computer Graphics, Virtual Environment, Computer Graphic Techniques, Animation and Game Design, User Interface (UI), Model Optimization, Video Game Development, Image Quality, Performance Tuning, Data Import/Export, Fine-tuning, Game Design, Graphic and Visual Design, Simulations
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Splunk, Security Controls, Data Pipelines, Systems Administration, System Configuration, Identity and Access Management, Dataflow, Configuration Management, Enterprise Application Management, Debugging, Performance Tuning, Information Management, Distributed Computing, Data Management, Scalability, Data Storage
Mixed · Course · 1 - 3 Months
Skills you'll gain: Artifactory, Application Security, Application Deployment, Vulnerability Scanning, CI/CD, Package and Software Management, Continuous Integration, DevSecOps, Security Software, Continuous Deployment, Security Testing, Devops Tools, Vulnerability Assessments, DevOps, GitHub, Vulnerability Management, Automation
Beginner · Course · 1 - 4 Weeks