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: Test Automation, Test Script Development, Jenkins, Mobile Development, Test Execution Engine, Software Testing, Test Case, Regression Testing, Continuous Integration, Debugging, Scalability, CI/CD, Test Engineering, Maintainability, Automation, Continuous Deployment, Docker (Software), Containerization
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Splunk, Lightweight Directory Access Protocols, System Monitoring, Scripting, Dashboard, Business Intelligence, Scatter Plots, Pivot Tables And Charts, Servers, Data Visualization Software, Data-Driven Decision-Making, Software Installation, Role-Based Access Control (RBAC), Data Analysis Expressions (DAX), Data Pipelines, Authentications, Unstructured Data, Data Visualization, Windows Servers, Network Troubleshooting
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Feature Engineering, Applied Machine Learning, Machine Learning, Data Preprocessing, Python Programming, Predictive Modeling, Development Environment, Data Manipulation, Exploratory Data Analysis
Intermediate · Course · 1 - 4 Weeks

Packt
Skills you'll gain: Django (Web Framework), Model View Controller, Authentications, Chart.js, Data Import/Export, Full-Stack Web Development, Web Development, Data Modeling, Cascading Style Sheets (CSS), Responsive Web Design, Javascript, User Interface (UI), Development Environment
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Network Protocols, Collaborative Software, Dynamic Host Configuration Protocol (DHCP), Session Initiation Protocols, Network Routing, System Configuration, Telecommunications, Configuration Management, Network Performance Management, Endpoint Security, Cloud Management, Communication Systems, Digital Communications, User Provisioning, Software Installation
Intermediate · Course · 3 - 6 Months

University of Colorado Boulder
Skills you'll gain: Image Analysis, Tensorflow, Computer Vision, Convolutional Neural Networks, Applied Machine Learning, Deep Learning, Machine Learning, Artificial Neural Networks, Performance Tuning, Data Preprocessing, Model Evaluation, Feature Engineering, Algorithms
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Anomaly Detection, Model Evaluation, Image Analysis, Computer Vision, Google Cloud Platform, Predictive Modeling, Artificial Intelligence, Product Development
Beginner · Project · Less Than 2 Hours

Skills you'll gain: Data Persistence, Retrieval-Augmented Generation, LLM Application, OpenAI API, Full-Stack Web Development, Restful API, Development Environment, Vector Databases, Embeddings, Application Deployment, JSON, Data Integration
Intermediate · Course · 1 - 3 Months

Universitat Autònoma de Barcelona
Skills you'll gain: Creativity, Innovation, Higher Education, Student-Centred Learning, Entrepreneurship, Professional Development, Training and Development, Training Programs, Collaboration, Project Design, Problem Solving, New Business Development, Adaptability, Social Impact
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: AI Product Strategy, Generative AI Agents, Presentations, Product Demonstration, Prompt Engineering Tools, Generative AI, Storytelling, Brand Strategy, Responsible AI, Data Ethics, Branding, Proposal Development, Brand Management, Visual Design, Content Creation, Graphic Design
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Wide Area Networks, Data Centers, Virtual Machines, Network Administration, Virtualization, Network Architecture, Virtual Private Networks (VPN), Wireless Networks, Computer Networking, Network Monitoring, Network Troubleshooting, Software-Defined Networking, Intrusion Detection and Prevention, Network Security, Cloud Computing, Distributed Denial-Of-Service (DDoS) Attacks, Key Management, Internet Of Things, Disaster Recovery
Advanced · Course · 1 - 3 Months

Skills you'll gain: HTML and CSS, Cascading Style Sheets (CSS), Responsive Web Design, Hypertext Markup Language (HTML), Web Design and Development, Web Development, Web Design, Front-End Web Development, Cloud Hosting, Animations, File Transfer Protocol (FTP), Typography
Intermediate · Course · 1 - 4 Weeks