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: Cloud Computing Architecture, Cloud Security, Cloud Deployment, Cloud Computing, Incident Response, Cloud Infrastructure, Capacity Management, Application Security, Security Controls, Network Security, Hardening, Scalability, Emerging Technologies, Identity and Access Management, Role-Based Access Control (RBAC), Encryption
Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Marketing Operations, Operations Management, Technical Management, Marketing Management, Media Planning, Marketing Strategies, Customer Relationship Management, Sales Management, Marketing and Public Relations, Verbal Communication Skills, Supply Chain Management, Branding, Marketing Budgets, Supply Chain, Loyalty Programs, Business Operations, Presentations, Financial Forecasting, Brand Management, Forecasting
Build toward a degree
Beginner · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Usability Testing, Software Testing, Software Quality (SQA/SQC), Test Planning, Human Centered Design, Technical Communication, User Experience Design, User Research, UI/UX Research, User Interface (UI), Web Content Accessibility Guidelines, Stakeholder Engagement
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Model Evaluation, Data Preprocessing, Feature Engineering, AI Personalization, Applied Machine Learning, Data Science, Machine Learning, Scalability, Data Manipulation, Python Programming, Data Transformation, Pandas (Python Package), Machine Learning Methods, Predictive Modeling, Text Mining, Development Environment, Scikit Learn (Machine Learning Library), Machine Learning Algorithms, NumPy, Data Analysis
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Eclipse (Software), Data Structures, Video Game Development, Java Programming, Java, Game Design, User Interface (UI), Development Environment, Program Development
Beginner · Guided Project · Less Than 2 Hours

LearnQuest
Skills you'll gain: AI Workflows, Artificial Intelligence and Machine Learning (AI/ML), Agentic systems, System Design and Implementation, Unified Modeling Language, Performance Metric, Performance Measurement, Requirements Analysis, Performance Analysis, Model Evaluation, Prototyping, Stakeholder Communications, Simulation and Simulation Software, Benchmarking
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Unity Engine, Game Design, Video Game Development, Animations, Object Oriented Programming (OOP), User Interface (UI), Software Development Tools, C# (Programming Language), Scripting, Debugging
Mixed · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Blockchain, Key Management, Cryptography, Application Security, Encryption, Secure Coding, Data Security, Public Key Cryptography Standards (PKCS), Security Testing, Vulnerability Management, Vulnerability Assessments, Code Review
Intermediate · Course · 1 - 3 Months
University of Michigan
Skills you'll gain: Browser Compatibility, Web Content Accessibility Guidelines, Cascading Style Sheets (CSS), HTML and CSS, Web Design, User Interface (UI), Responsive Web Design, Usability, Typography, Javascript
Mixed · Course · 1 - 3 Months

Skills you'll gain: Responsible AI, Prompt Engineering, Generative AI, AI Product Strategy, OpenAI, Data Pipelines, Data Modeling, ChatGPT, Data Transformation, Data Quality, Database Management, SQL
Beginner · Course · 1 - 4 Weeks

Pearson
Skills you'll gain: Large Language Modeling, Deep Learning, Prompt Engineering, Image Analysis, Model Deployment, Recurrent Neural Networks (RNNs), PyTorch (Machine Learning Library), Convolutional Neural Networks, Tensorflow, Vision Transformer (ViT), LLM Application, Transfer Learning, Computer Vision, Responsible AI, Natural Language Processing, Embeddings, Keras (Neural Network Library), Generative AI, Artificial Neural Networks, Multimodal Prompts
Intermediate · Specialization · 1 - 4 Weeks

Board Infinity
Skills you'll gain: API Design, Application Programming Interface (API), Postman API Platform, API Testing, Software Documentation, Software Design Documents, OAuth, CI/CD, .NET Framework, Web Services, Authentications
Intermediate · Course · 1 - 4 Weeks