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: Threat Modeling, Application Security, Open Web Application Security Project (OWASP), Secure Coding, Authentications, OAuth, Development Testing, Software Development Life Cycle, Unified Modeling Language, Authorization (Computing), Single Sign-On (SSO), Security Software, Software Development, Vulnerability Assessments, Data Validation, Cyber Security Assessment, Cyber Security Strategy, Cybersecurity, Role-Based Access Control (RBAC)
Intermediate · Course · 3 - 6 Months

Edureka
Skills you'll gain: LangChain, LangGraph, Model Context Protocol, AI Workflows, LLM Application, AI Orchestration, Agentic Workflows, Generative AI Agents, Tool Calling, Model Deployment, Data Transformation, Retrieval-Augmented Generation, Agentic systems, Generative AI, Middleware, Gemini, Scalability, Artificial Intelligence, Prompt Engineering, Responsible AI
Intermediate · Specialization · 3 - 6 Months

John Wiley & Sons
Skills you'll gain: Strategic Leadership, Strategic Prioritization, Leadership, Leadership Development, Drive Engagement, Prioritization, Agile Methodology, Meeting Facilitation, Collaboration, Team Building, Decision Making, Organizational Change, Smart Goals, Adaptability, Strategic Planning, Innovation, Continuous Improvement Process, Change Management, Resource Utilization
Beginner · Course · 1 - 3 Months
DeepLearning.AI
Skills you'll gain: Generative Adversarial Networks (GANs), Autoencoders, Generative AI, Tensorflow, Computer Vision, Image Analysis, Transfer Learning, Convolutional Neural Networks, Generative Model Architectures, Deep Learning, Keras (Neural Network Library), Artificial Neural Networks, Classification Algorithms, Model Evaluation, Distributed Computing, Visualization (Computer Graphics), Performance Tuning, Network Architecture
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Trustworthiness, Team Performance Management, Team Management, Honesty, Team Building, Team Leadership, Constructive Feedback, Team Motivation, Leadership and Management, Coaching, Empathy, Professional Development, Accountability, Personal Integrity, Business Leadership, Emotional Intelligence, Reliability, Lifelong Learning, Growth Mindedness, Communication
Intermediate · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Predictive Analytics, Dashboard, Data Ethics, Responsible AI, Brand Strategy, Advanced Analytics, Market Intelligence, Persona Development, Strategic Marketing, Trend Analysis, Predictive Modeling, Competitive Intelligence, Analytics, Forecasting, Artificial Intelligence, Business Intelligence, Target Audience, Customer Insights, Natural Language Processing, Market Trend
Intermediate · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Cloud Infrastructure, Cloud Storage, Infrastructure As A Service (IaaS), Google Cloud Platform, Cloud Computing Architecture, Cloud Computing, Virtual Networking, Virtual Machines, Network Architecture, Command-Line Interface, Firewall
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Blogs, Content Creation, Content Performance Analysis, Content Strategy, Web Content, Digital Content, Content Marketing, Search Engine Optimization, Web Analytics and SEO, Keyword Research, Google Analytics, Content Management, Marketing Analytics, Brand Strategy, Writing, Data Analysis, Key Performance Indicators (KPIs), Audit Planning, Strategic Decision-Making, Safety Audits
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Selenium (Software), Postman API Platform, JUnit, Test Automation, API Testing, Software Quality Assurance, Test Tools, Test Script Development, Quality Assurance, Unit Testing, Software Testing, Continuous Integration, Automation, Data Validation, Performance Testing, Test Case, Agile Methodology, Integration Testing, Debugging, Javascript
Intermediate · Specialization · 1 - 3 Months

Coursera
Skills you'll gain: Brand Awareness, Brand Management, Branding, Brand Strategy, Brand Loyalty, Data Presentation, Marketing Effectiveness, Marketing Management, Data-Driven Decision-Making, Marketing, Visual Design, Customer Insights, Presentations, Data Analysis, Asset Management, Business Metrics, Digital Assets, Health Equity, Health Promotion, Strategic Decision-Making
Intermediate · Course · 1 - 4 Weeks

Logical Operations
Skills you'll gain: HTML and CSS, Hypertext Markup Language (HTML), Web Content Accessibility Guidelines, Web Design and Development, Web Design, Web Content, Web Development, Cascading Style Sheets (CSS), Responsive Web Design, Web Applications, Front-End Web Development, Browser Compatibility, Web Development Tools, Software Development, Embeddings, Software Design
Mixed · Course · 1 - 3 Months

University of Arizona
Skills you'll gain: User Experience Design, Content Marketing, Digital Marketing, Marketing Analytics, Marketing Channel, Digital Advertising, Content Strategy, Social Media Marketing, Storytelling, Social Media Strategy, Email Marketing, Search Engine Marketing, E-Commerce
Intermediate · Course · 1 - 3 Months