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: Jira (Software), Sprint Retrospectives, Performance Metric, Performance Reporting, Team Performance Management, Business Metrics, Organizational Effectiveness, Performance Improvement, Issue Tracking, Continuous Improvement Process, Cycle Counting, Taking Meeting Minutes, Record Keeping
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Apache Spark, PySpark, Performance Tuning, Data Pipelines, Data Processing, Systems Analysis
Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Microsoft Excel, Excel Formulas, Data Management, Data Visualization, Spreadsheet Software, Data Validation, Data Cleansing, Data Analysis Expressions (DAX), Data Integrity, Productivity Software, Problem Solving
Beginner · Course · 1 - 3 Months

Skills you'll gain: Data Preprocessing, Applied Machine Learning, Feature Engineering, Digital Signal Processing, Data Transformation, Model Evaluation, Time Series Analysis and Forecasting, Data Pipelines, Data Manipulation, Data Wrangling, System Design and Implementation, NumPy
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Splunk, Data Integration, Windows PowerShell, Data Pipelines, Microsoft Windows, Data Preprocessing, Windows Servers, Data Validation, Configuration Management, Unstructured Data, Event Monitoring, System Monitoring
Beginner · Course · 1 - 4 Weeks

Alex Genadinik
Skills you'll gain: Marketing Psychology, Marketing Planning, Marketing Strategies, Blogs, Marketing, Web Analytics and SEO, Marketing Effectiveness, Podcasting, Video Production, Growth Strategies, Social Media Content, Search Engine Optimization, Marketing Channel, Content Creation, Advertising Campaigns, Product Promotion, Digital Advertising, Marketing Automation, Case Studies, Professional Networking
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Web Applications, HTML and CSS, Front-End Web Development, Web Design and Development, Javascript, Application Design, Application Development, Data Validation, UI Components, Debugging
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Marketing Analytics, Marketing Effectiveness, Market Analysis, Competitive Analysis, Marketing, Key Performance Indicators (KPIs), Market Research, Target Audience, Target Market, Dashboard, Return On Investment, Value Propositions, Smart Goals, Business Strategy, Cross-Channel Marketing, Concision, Variance Analysis, Strategic Partnership, Data Collection, Strategic Decision-Making
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Data Cleansing, Financial Data, Microsoft Excel, Excel Formulas, Management Reporting, Data Transformation, Data Manipulation, Automation, Financial Reporting, Extract, Transform, Load, Data Import/Export, Spreadsheet Software, Data Validation
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: AI Product Strategy, AI Security, Capacity Management
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Model Context Protocol, Load Balancing, Containerization, Docker (Software), Model Deployment, Restful API, API Design, Application Programming Interface (API), Authentications, OAuth, Tool Calling, Scalability, JSON, Servers, Application Performance Management
Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Control Systems, Machine Controls, Engineering, Scientific, and Technical Instruments, Process Control, Embedded Systems, Embedded Software, Real Time Data, Laboratory Experience, Electronic Systems, Electronics, Power Electronics, Electronic Hardware, Manufacturing Processes, Three-Phase, Automation Engineering, Electrical Equipment, Thermal Management, Hardware Design, Electrical Engineering, Electronics Engineering
Build toward a degree
Intermediate · Specialization · 3 - 6 Months