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.

SkillUp
Skills you'll gain: Forecasting, Classification Algorithms, Dimensionality Reduction
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Data Storytelling, Dashboard, Market Data, Data-Driven Decision-Making, Tableau Software, Financial Market, Interactive Data Visualization, Financial Data, Financial Analysis, Technical Analysis, Data Analysis, Data Visualization, Data Visualization Software, Trend Analysis
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Supplier Quality Management, Quality Control, Supplier Performance Management, Corrective and Preventive Action (CAPA), Quality Assurance and Control, Quality Monitoring, Material Handling, Verification And Validation, Compliance Reporting, Management Reporting, Investigation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: React Native, Mobile Development, React Redux, Ajax, User Interface and User Experience (UI/UX) Design, Front-End Web Development, Javascript, React.js, Data Structures, Application Development, Apple iOS, Debugging, iOS Development, JavaScript Frameworks, User Story, Android Development, UI Components, Cross Platform Development, JSON, Flutter (Software)
Beginner · Specialization · 3 - 6 Months

Google Cloud
Skills you'll gain: Virtual Networking, Kubernetes, Cloud Computing Architecture, Network Architecture, Google Cloud Platform, Network Planning And Design, Network Troubleshooting, Cloud Infrastructure, Scalability, TCP/IP
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Integrated Development Environments, Data Flow Diagrams (DFDs)
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: C# (Programming Language), .NET Framework, Microsoft Visual Studio, Maintainability, Object-Relational Mapping, Programming Principles, Performance Tuning
Intermediate · Course · 1 - 4 Weeks

Coursera
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Apache Spark, PySpark, Performance Tuning, Data Pipelines, Data Processing, Systems Analysis
Beginner · Course · 1 - 4 Weeks

The Hong Kong University of Science and Technology
Skills you'll gain: Software Design Patterns, Requirements Analysis, White-Box Testing, Software Architecture, Acceptance Testing, Software Development Methodologies, Unified Modeling Language, Software Development Life Cycle, Configuration Management, Debugging, Software Design, Process Driven Development, Software Engineering, Software Testing, Object Oriented Design, Functional Requirement, Data Modeling, Systems Design, Project Management, Project Planning
Intermediate · Specialization · 3 - 6 Months

Alex Genadinik
Skills you'll gain: Sales Strategy, Price Negotiation, Customer Retention, Product Strategy, Upselling, Coaching, Case Studies, E-Commerce, Customer Relationship Building, Service Design
Mixed · Course · 1 - 3 Months

Skills you'll gain: AI Orchestration, AI Workflows, LangGraph, Agentic systems, OpenAI API, Enterprise Application Management, Tool Calling, OAuth, Generative AI Agents, Middleware, Real Time Data, Interoperability, API Gateway, Agentic Workflows, Software Development Tools, LLM Application, Prompt Engineering, Retrieval-Augmented Generation, Application Programming Interface (API), Scalability
Intermediate · Professional Certificate · 3 - 6 Months