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: Apache Kafka, Apache Hadoop, Apache Spark, Real Time Data, Scala Programming, Data Integration, Command-Line Interface, AWS Kinesis, Apache Hive, Big Data, Applied Machine Learning, Data Processing, Systems Design, System Design and Implementation, Apache Cassandra, Data Pipelines, Java, Distributed Computing, Query Languages, IntelliJ IDEA
Intermediate · Specialization · 3 - 6 Months

LearnKartS
Skills you'll gain: Google Gemini, Marketing Automation, ChatGPT, Marketing, Generative AI, Content Marketing, Business Marketing, Content Creation, Digital Content, Prompt Engineering, Branding, Social Media, Google Ads, Search Engine Optimization, Digital Assets, Facebook, Digital Advertising, Sales Pipelines, Productivity, Web Development
Beginner · Specialization · 3 - 6 Months

Illinois Tech
Skills you'll gain: Machine Learning Algorithms, Model Evaluation, Statistical Analysis, Bayesian Statistics, Data Visualization, Statistical Inference, Exploratory Data Analysis, Statistical Methods, Data Presentation, Analysis, Probability & Statistics, Data Cleansing, Applied Machine Learning, Regression Analysis, Analytics, Statistical Programming, Data Analysis, Logistic Regression, Machine Learning, Verification And Validation
Build toward a degree
Intermediate · Specialization · 3 - 6 Months

University of Colorado Boulder
Skills you'll gain: Computer Vision, Convolutional Neural Networks, Image Analysis, Tensorflow, Deep Learning, Artificial Neural Networks, Machine Learning Methods, Model Training, Model Optimization, Applied Machine Learning, Fine-tuning, Feature Engineering, Machine Learning, Model Evaluation, Classification Algorithms
Build toward a degree
Intermediate · Course · 1 - 3 Months

École Polytechnique Fédérale de Lausanne
Skills you'll gain: Digital Signal Processing, Electrical Engineering, Communication Systems, Electronics, Telecommunications, Linear Algebra, Applied Mathematics
Intermediate · Course · 1 - 4 Weeks
Skills you'll gain: Blockchain, Business Planning, Plan Execution, Strategic Thinking, Business Strategies, Strategic Decision-Making, FinTech, Strategic Partnership, Work Breakdown Structure, Decision Making, Market Opportunities, Project Scoping, Solution Design, Proposal Development, Financial Services, Business Modeling, Competitive Analysis, Market Analysis, Case Studies, Value Propositions
Intermediate · Course · 1 - 3 Months

Fundação Lemann
Skills you'll gain: Collaborative Software, Google Workspace, Education Software and Technology, Digital pedagogy, Learning Management Systems, Gmail, Educational Materials, Collaboration, Document Management, Spreadsheet Software
Mixed · Course · 1 - 3 Months

Skills you'll gain: Canva (Software), Instagram, Content Creation, Graphic and Visual Design Software, Creative Design, Graphic Design, Digital Design, Graphic and Visual Design, Design, Social Media Marketing, Video Production, Social Justice
Beginner · Guided Project · Less Than 2 Hours

Pearson
Skills you'll gain: Virtual Local Area Network (VLAN), Network Security, Network Troubleshooting, Dynamic Host Configuration Protocol (DHCP), Network Architecture, TCP/IP, Routing Protocols, Network Switches, Network Routing, Open Shortest Path First (OSPF), Wireless Networks, Network Support, Network Routers, Virtual Networking, Ansible, General Networking, Network Infrastructure, Software-Defined Networking, Network Planning And Design, Virtual Private Networks (VPN)
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Test Automation, Test Script Development, Test Case, Selenium (Software), Software Testing, Test Tools, Maintainability, Code Reusability, Test Data, Debugging, Configuration Management
Advanced · Guided Project · Less Than 2 Hours

Skills you'll gain: OpenAI API, OpenAI, AI Integrations, Prompt Engineering, JSON, Application Programming Interface (API), Web Applications, Generative AI
Beginner · Guided Project · Less Than 2 Hours

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