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.

Coursera
Skills you'll gain: Software Quality Assurance, Quality Assurance, Software Testing, Test Tools, Jira (Software), Development Testing, Regression Testing, Functional Testing, Software Quality (SQA/SQC), Test Planning, Test Case, Technical Communication, Issue Tracking, Agile Methodology, Software Development, Agile Project Management, Risk Management, User Interface and User Experience (UI/UX) Design, Data Analysis, Problem Solving
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Adobe Creative Cloud, Web Content, Digital Publishing, Content Creation, Visual Storytelling, Content Management, Multimedia, Design Software, Layout Design, User Experience Design
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Snowflake Schema, Data Pipelines, Apache Airflow, Data Security, Data Governance, Data Architecture, Extract, Transform, Load, Apache Kafka, Performance Tuning, PySpark, Data Warehousing, Data Import/Export, Amazon S3, Amazon Web Services, Real Time Data, Data Processing, SQL, Stored Procedure, Role-Based Access Control (RBAC)
Intermediate · Course · 3 - 6 Months

Skills you'll gain: User Interface (UI), User Interface (UI) Design, Journey Mapping, User Interface and User Experience (UI/UX) Design, User Experience, User Experience Design, Experience Design, User Centered Design, Customer Retention, Business Intelligence
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Microsoft Azure, Cloud Management, Virtual Machines, Kubernetes, Virtualization and Virtual Machines, Containerization, Cloud Storage, Cloud Computing, Cloud-Native Computing, Infrastructure As A Service (IaaS), Data Storage, Cloud Deployment, Cloud Applications, Application Deployment, Data Management, IT Automation, Data Import/Export, Scalability, Encryption
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Routing Protocols, TCP/IP, Network Switches, Network Routers, Virtual Local Area Network (VLAN), Network Protocols, Network Security, General Networking, Network Routing, Network Troubleshooting, Network Administration, Computer Networking, Open Shortest Path First (OSPF), Network Monitoring, Dynamic Host Configuration Protocol (DHCP), Local Area Networks, Network Planning And Design, Border Gateway Protocol, Network Performance Management, Proxy Servers
Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: Promotional Materials, Marketing Materials, LinkedIn, Content Creation, Social Media Content, Social Media, Graphic Design, Data Visualization, Content Marketing, Digital Content, Digital Marketing
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Data Modeling, Power BI, Data Wrangling, Data Manipulation, Database Design, Data Transformation, Dashboard, Data Integration, Star Schema, Relational Databases, Data Cleansing, Data Processing
Beginner · Course · 1 - 4 Weeks

Birla Institute of Technology & Science, Pilani
Skills you'll gain: Relational Databases, Databases, Database Theory, Database Design, Database Systems, Database Management, Database Development, SQL, Database Architecture and Administration, Database Management Systems, Query Languages, Data Modeling, Transaction Processing, Data Management, System Design and Implementation, Information Technology, Data Analysis, Information Architecture, Problem Solving, Logical Reasoning
Build toward a degree
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Oracle Databases, Oracle SQL Developer, Performance Tuning, Database Administration, Database Management, Operational Databases, Data Maintenance, Database Architecture and Administration, Data Migration, Database Software, Relational Databases, Database Systems, Patch Management, Database Design, Data Integrity, Data Import/Export, Database Management Systems, SQL, Data Storage, Data Management
Beginner · Specialization · 3 - 6 Months
Scrum Alliance
Skills you'll gain: User Story, Agile Product Development, Team Building, Team Oriented, Team Performance Management, Team Collaboration, Team Management, Agile Methodology, Agile Project Management, Agile Software Development, Product Management, Organizational Change, Continuous Improvement Process, Project Management, Change Management
Beginner · Course · 1 - 3 Months

Skills you'll gain: Product Management, Market Share, Go To Market Strategy, Agile Product Development, Design and Product, Product Planning, User Experience, Market Analysis, Revenue Management, Product Lifecycle Management, Product Roadmaps, Market Opportunities, Product Design, Product Strategy, Sprint Retrospectives, User Interface and User Experience (UI/UX) Design, Web Analytics, Product Testing, Sprint Planning, Stakeholder Management
Intermediate · Course · 1 - 3 Months