Object Oriented Design courses can help you learn principles like encapsulation, inheritance, and polymorphism, along with design patterns such as Singleton and Factory. You can build skills in creating reusable code, improving software maintainability, and designing systems that are easier to understand and extend. Many courses introduce tools like UML for modeling, as well as programming languages such as Java and Python, which are commonly used to implement object-oriented concepts in real-world applications.

Skills you'll gain: OpenAI API, LLM Application, Vector Databases, Generative AI Agents, Tool Calling, Embeddings, Retrieval-Augmented Generation, Prompt Patterns, Artificial Intelligence and Machine Learning (AI/ML), Generative AI, Prompt Engineering, Agentic systems, Large Language Modeling, TypeScript, Responsible AI, Software Development, Real Time Data, Web Scraping, Software Design Patterns
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Finite Element Methods, Simulation and Simulation Software, Data Validation, Simulations, Engineering Analysis, Verification And Validation, Engineering Design Process, Cloud Engineering, Mechanical Engineering, Scientific Visualization, Physics
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Apache Kafka, Data Transformation, Real Time Data, Fraud detection, Data Pipelines, Apache Spark, Power BI, PySpark, Performance Tuning, Grafana, Disaster Recovery, Data Architecture, Prometheus (Software), Data Integrity, Scalability, Data Processing, Data Governance, Event-Driven Programming, System Monitoring, Docker (Software)
Intermediate · Specialization · 3 - 6 Months

Coursera
Skills you'll gain: Collaborative Software, Data Sharing, Organizational Skills, User Accounts, Telecommuting, Teamwork, Graphic Design, Productivity, Content Marketing, Business Communication, Marketing Communications
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Computer Vision, Python Programming, Image Analysis, Real Time Data, Classification Algorithms, Development Environment, Deep Learning, Software Installation, Algorithms
Beginner · Course · 3 - 6 Months

Northeastern University
Skills you'll gain: Branding, Advertising, Consumer Behaviour, Brand Management, Brand Strategy, Integrated Marketing Communications, Advertising Campaigns, Marketing Communications, Brand Awareness, Marketing, Promotional Strategies, Media Planning, Digital Advertising, Customer Engagement, Media Strategy, Design Thinking
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Package and Software Management, Linux Administration, Linux, User Accounts, Command-Line Interface, Operating System Administration, Open Source Technology, Disaster Recovery, Red Hat Enterprise Linux, System Monitoring, Unix Commands, System Configuration, Systems Administration, Linux Commands, Security Controls, Firewall, File Management
Mixed · Course · 1 - 3 Months

Skills you'll gain: Ajax, jQuery, JSON, Debugging, JavaScript Frameworks, Application Programming Interface (API), Web Applications, Javascript, Game Design, HTML and CSS, User Interface (UI) Design
Intermediate · Course · 1 - 3 Months
Skills you'll gain: Vibrations, Test Engineering, Product Testing, Performance Testing, Human Factors, Engineering Analysis, Digital Signal Processing, Laboratory Testing, Scientific Visualization, Data Integration, Root Cause Analysis
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: .NET Framework, Performance Tuning, Debugging, Performance Testing, C# (Programming Language), Data-oriented programming, Application Development
Intermediate · Guided Project · Less Than 2 Hours

Alex Genadinik
Skills you'll gain: Prompt Engineering, Debugging, Claude Code, Responsible AI, Verification And Validation, ChatGPT, Artificial Intelligence, Development Testing, Software Testing
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Blockchain, Development Environment, Web Development Tools, Virtual Machines, Software Testing, Software Development Tools, Data Storage, Debugging, Javascript, Cryptographic Protocols, Event-Driven Programming, System Design and Implementation, Transaction Processing, Payment Systems
Advanced · Course · 1 - 3 Months