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: UI Components, Business Requirements, Workflow Management, Product Requirements, Code Review, Project Design, Blogs, E-Commerce, Front-End Web Development, Software Installation, Content Management Systems, System Configuration, Program Implementation
Beginner · Course · 1 - 4 Weeks

PracticalGrowth
Skills you'll gain: Project Planning, Project Risk Management, Root Cause Analysis, Project Scoping, Dashboard, Risk Management, Program Management, Workflow Management, Project Management, Project Estimation, Process Improvement, Agile Project Management, Capacity Planning, Project Documentation, Stakeholder Management, Collaborative Software, Prioritization, Resource Management, Meeting Facilitation, Portfolio Management
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Performance Testing, Test Planning, Test Tools, Test Data, Apache, Test Execution Engine, Virtual Environment, Software Installation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Descriptive Statistics, Financial Data, Regression Analysis, Statistical Modeling, Financial Analysis, Decision Tree Learning, Credit Risk, Predictive Modeling, Portfolio Management, Statistics, Portfolio Risk, Statistical Analysis, Statistical Methods, Model Evaluation, Supervised Learning
Intermediate · Course · 1 - 3 Months

Coursera
Intermediate · Course · 1 - 4 Weeks

Arizona State University
Skills you'll gain: Decision Making, Strategic Decision-Making, Business Ethics, Risk Analysis, Teamwork, Strategic Thinking, Business Risk Management, Collaboration, Leadership, Critical Thinking and Problem Solving, Dealing With Ambiguity, Continuous Improvement Process, Lifelong Learning, Logical Reasoning
Beginner · Course · 1 - 4 Weeks
University of London
Skills you'll gain: Data Preprocessing, Machine Learning, Artificial Intelligence, Model Evaluation, Data Analysis, Image Analysis, Data Collection, Classification Algorithms
Build toward a degree
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Data Transformation, Operational Databases, Database Management, Azure Synapse Analytics, Database Design, Data Wrangling, Data Architecture, Apache Cassandra, Apache Hive, Amazon Redshift
Advanced · Course · 1 - 4 Weeks

École Polytechnique Fédérale de Lausanne
Skills you'll gain: Scala Programming, Data Validation, Object Oriented Programming (OOP), Verification And Validation, Debugging, Programming Principles, Maintainability, Distributed Computing, Business Logic, Software Testing, Unit Testing, Data Structures, Data Modeling
Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: Simulations, Data-oriented programming, Plot (Graphics)
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Threat Modeling, Feature Engineering, Anomaly Detection, Data Visualization, MLOps (Machine Learning Operations), Agentic Workflows, AI Security, A/B Testing, Open Web Application Security Project (OWASP), Software Engineering, Data Ethics, Responsible AI, Technical Communication, Secure Coding, Agentic systems, AI Orchestration, DevSecOps, Continuous Monitoring, CI/CD, Reinforcement Learning
Intermediate · Professional Certificate · 3 - 6 Months

Coursera
Skills you'll gain: Dashboard, Project Management Software, Project Coordination, Project Schedules, Timelines, Productivity Software
Beginner · Course · 1 - 4 Weeks