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, Data Visualization, Data Presentation, AI Security, A/B Testing, Open Web Application Security Project (OWASP), Security Testing, Security Requirements Analysis, Secure Coding, Application Security, System Monitoring, MLOps (Machine Learning Operations), Analytics, Data Governance, Cyber Governance, Data Cleansing, Data Processing, Data Management, Data Quality, Data Validation
Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: Web Analytics and SEO, Search Engine Optimization, Google Analytics, Content Performance Analysis, Keyword Research, Marketing Analytics, Content Strategy, Content Creation, Key Performance Indicators (KPIs), Performance Metric, Dashboard, Ad Hoc Analysis, Data-Driven Decision-Making, Variance Analysis, User Flows, Statistical Analysis, Quality Assessment, Corrective and Preventive Action (CAPA)
Intermediate · Course · 3 - 6 Months

Berklee
Skills you'll gain: Musical Composition, Music Performance, Music, Media Production, Music Theory, Instrumental Music, File Management, Performing Arts, Post-Production, Creativity, Digital Signal Processing, Electronic Media, Editing, Design Software, Peer Review, Automation, Patch Management, Technical Support, System Configuration, System Requirements
Intermediate · Specialization · 3 - 6 Months
Starweaver
Skills you'll gain: Cyber Security Strategy, Cyber Operations, Cyber Threat Intelligence, MITRE ATT&CK Framework, Cyber Security Assessment, Cyber Risk, Incident Response, Cyber Attacks, Campaign Management, Key Performance Indicators (KPIs), Risk Analysis, Performance Measurement, Resilience, Strategic Decision-Making, Business Metrics, Coordination, Strategic Marketing
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Core Data (Software), iOS Development, Data Store, Maintainability, User Interface and User Experience (UI/UX) Design, Software Design, Cloud Storage, Data Validation
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Image Analysis, Computer Vision, Model Evaluation, Analysis, Debugging, Failure Mode And Effects Analysis, Exploratory Data Analysis, Root Cause Analysis, Data Visualization, Quality Assurance, Statistical Reporting
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: NumPy, Pandas (Python Package), Model Evaluation, Jupyter, Data Analysis, Applied Machine Learning, Analytical Skills, Data Manipulation, Matplotlib, Business Analytics, Exploratory Data Analysis, Data Visualization Software, Python Programming, Descriptive Statistics, Linear Algebra
Beginner · Course · 1 - 3 Months

Skills you'll gain: Jira (Software), Workflow Management, Business Workflow Analysis, No-Code Development, Business Process Automation, Performance Tuning, Automation, Process Optimization, Debugging, Performance Improvement, Process Improvement, Process Analysis, Performance Analysis, Auditing, Root Cause Analysis
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: SketchUp (3D Modeling Software), AutoCAD, 3D Modeling, Visualization (Computer Graphics), Animations
Intermediate · Course · 1 - 3 Months

Alex Genadinik
Skills you'll gain: E-Commerce, Entrepreneurship, Blogs, Content Creation, Digital Content, Digital Publishing, Web Content, Pay Per Click Advertising, Video Production, Lead Generation, Marketing Channel, Email Marketing, Business Strategies, Search Engine Optimization, Advertising, Brand Strategy
Mixed · Course · 1 - 3 Months

École Polytechnique Fédérale de Lausanne
Skills you'll gain: Digital Signal Processing, Digital Communications, Communication Systems, Image Analysis, Telecommunications, Electrical and Computer Engineering, Electrical Engineering, Embedded Systems, Electronic Systems, Engineering Analysis, Electronics, Programming Principles, Numerical Analysis, Algorithms, Linear Algebra, Mathematical Modeling, Time Series Analysis and Forecasting, Data Mapping, Real Time Data, Computer Programming
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: React Native, Mobile Development, React Redux, Ajax, User Interface and User Experience (UI/UX) Design, Front-End Web Development, Javascript, React.js, Data Structures, Application Development, Apple iOS, Debugging, iOS Development, JavaScript Frameworks, User Story, Android Development, UI Components, Cross Platform Development, JSON, Flutter (Software)
Beginner · Specialization · 3 - 6 Months