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.

EDUCBA
Skills you'll gain: Shell Script
★ 4.9 (16) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Motion Graphics, Graphic and Visual Design Software, Graphical Tools, Color Matching, Content Creation, Music
★ 4.6 (19) · Beginner · Course · 1 - 4 Weeks

DeepLearning.AI
Skills you'll gain: Amazon Bedrock, Agentic Workflows, Serverless Computing, Responsible AI, Agentic systems, AI Workflows, Generative AI Agents, Amazon Web Services, AI Security, Cloud Deployment, Customer Relationship Management, Security Controls
★ 4.6 (7) · Beginner · Project · Less Than 2 Hours

Skills you'll gain: Technical Analysis, Blockchain, Financial Trading, Market Data, Cryptography, Payment Systems, Securities Trading, FinTech, Digital Assets, Investments, Cryptographic Protocols, Risk Management, Key Management, Business Modeling, Asset Management, Financial Market, Market Trend, Trend Analysis, Payment Processing, Finance
★ 4.4 (14) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Design Software, Graphical Tools, Graphics Software, Graphic and Visual Design Software
★ 4.8 (8) · Beginner · Course · 1 - 4 Weeks

Alberta Machine Intelligence Institute
Skills you'll gain: Prompt Engineering, Retrieval-Augmented Generation, Generative AI, Prompt Patterns, Generative Model Architectures, Large Language Modeling, AI Security, Open Source Technology, Responsible AI, Embeddings, Fine-tuning, Natural Language Processing
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Performance marketing, Google Ads, Personalized Campaigns, Advertising Campaigns, Media Buying, Meta Ads Manager, Content Performance Analysis, Online Advertising, Advertising, Generative AI, Data Ethics, Campaign Management, Paid media, Marketing Automation, AI Personalization, Media Planning, Digital Media Strategy, Responsible AI, Automation, Analytics
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Prompt Engineering Tools, Recruitment Strategies, Generative AI, Recruitment, Employee Onboarding, Talent Recruitment, People Analytics, AI Enablement, New Hire Orientations, Human Resources Management and Planning, AI Personalization, Talent Acquisition, Human Resources, Human Resource Strategy, Email Automation, Employee Engagement, Talent Management, Automation, Collaboration, IT Automation
★ 3.7 (6) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Restful API, Cloud API, Application Programming Interface (API), Postman API Platform, API Design, API Testing, Java Programming, Java, Mobile Development, Apache Maven, Application Development, Data Access, Web Development, Eclipse (Software), Software Design
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Data Storytelling, Data Presentation, Generative AI, Data Ethics, Prompt Engineering, Interactive Data Visualization, Plotly, Responsible AI, Data Visualization Software, Dashboard, Matplotlib, AI literacy, Seaborn, AI Workflows
★ 4 (11) · Intermediate · Course · 1 - 4 Weeks

EC-Council
Skills you'll gain: Network Security, Cybersecurity, Information Assurance, Cloud Security, Security Controls, Mobile Security, Data Security, Cryptography, Public Key Infrastructure, Cyber Security Policies, Authorization (Computing), Intrusion Detection and Prevention, Infrastructure Security, Network Monitoring, Wireless Networks, Authentications, Identity and Access Management, Enterprise Security, Cloud Computing, Data Loss Prevention
★ 5 (6) · Beginner · Course · 1 - 3 Months

Skills you'll gain: International Finance, Financial Trading, Financial Market, Complex Problem Solving, International Relations, Economics, Financial Systems, Market Dynamics, Business Mathematics, Applied Mathematics, Arithmetic, Financial Regulations, Case Studies, Analytical Skills, Analysis, Business, Logical Reasoning
★ 5 (11) · Mixed · Course · 1 - 3 Months