Design Patterns courses can help you learn object-oriented design principles, common design patterns like Singleton and Observer, and best practices for software architecture. You can build skills in code refactoring, improving maintainability, and enhancing collaboration among developers. Many courses introduce tools such as UML for visualizing design structures and integrated development environments (IDEs) that facilitate pattern implementation, allowing you to apply these concepts in real coding projects.

Scrimba
Skills you'll gain: Responsive Web Design, Typography, Cascading Style Sheets (CSS), UI Components, Web Design, Interactive Design, User Interface (UI) Design, HTML and CSS, Browser Compatibility, User Interface (UI), Usability, Interaction Design, Hypertext Markup Language (HTML), Web Content Accessibility Guidelines, Front-End Web Development, Animations, Web Components, Color Theory, Web Development, Web Development Tools
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Unreal Engine, Data Structures, 3D Assets, Game Design, 3D Modeling, Virtual Environment, Data Store, Video Game Development, Animation and Game Design, Visualization (Computer Graphics), Data Management, Object Oriented Programming (OOP), Scripting, Scalability, Event-Driven Programming, Software Design, Debugging, Performance Tuning
Intermediate · Specialization · 1 - 3 Months

Birla Institute of Technology & Science, Pilani
Skills you'll gain: Android Jetpack, Extensible Markup Language (XML), Data Management, Application Programming Interface (API)
Intermediate · Course · 1 - 3 Months

University of Geneva
Skills you'll gain: Data-oriented programming, Operating Systems, Simulation and Simulation Software
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Research Reports, Report Writing, Case Studies, Business Writing, Technical Writing, Market Data, Analysis, Data Analysis, Financial Analysis, Data Presentation, Concision, Financial Modeling, Target Audience
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Back-End Web Development, PostgreSQL, Python Programming, Restful API, SQL, API Design, Object-Relational Mapping, Database Management, Databases, Data Validation, Development Environment
Intermediate · Course · 1 - 3 Months

EDUCBA
Skills you'll gain: UI Components, User Interface (UI), Event-Driven Programming, Human Computer Interaction, Application Design, Development Environment, Application Development, Application Frameworks
Intermediate · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Make.com, Email Automation, Deepseek, AI Workflows, Operational Efficiency, No-Code Development, Automation
Beginner · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Manufacturing Operations, Internet Of Things, Robotics, Manufacturing Processes, Automation, Manufacturing and Production, Production Process, Industrial Engineering, 3D Modeling, Robotic Process Automation, Innovation, Computer-Aided Design, Emerging Technologies, Digital Transformation, Real Time Data, Simulation and Simulation Software
Intermediate · Course · 1 - 4 Weeks

L&T EduTech
Skills you'll gain: Electric Power Systems, Simulation and Simulation Software, Energy and Utilities, Electrical Systems, Power Electronics, Sustainable Technologies, Semiconductors, Scalability, Electrical Equipment, Emerging Technologies, Innovation, Cost Estimation, Environment, Matlab
Beginner · Course · 1 - 3 Months

Automatic Data Processing, Inc. (ADP)
Skills you'll gain: Trustworthiness, Team Building, Team Motivation, Team Management, Team Leadership, Teamwork, Honesty, Relationship Building, Empathy, Collaboration, Professional Development, Storytelling, Mindfulness
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: LangGraph, AI Orchestration, Model Deployment, Retrieval-Augmented Generation, AI Workflows, Generative AI Agents, CrewAI, Agentic Workflows, LangChain, Artificial Intelligence and Machine Learning (AI/ML), LLM Application, Agentic systems, OpenAI, Systems Integration, Tool Calling, Google Gemini, Workflow Management, Automation, Prompt Engineering, Responsible AI
Intermediate · Specialization · 1 - 3 Months