Valid certificate
Issued by SE² Software Engineering Excellence to Adam Al Ferekh on August 24, 2026.
Certificate of Completion
SOLID Excellence: Learn to write Clean and Scalable Code
- Awarded to
- Adam Al Ferekh
- Issued
- August 24, 2026
- Issuer
- SE² Software Engineering Excellence
- Certificate ID
- f30db23e-d7ad-47dd-82d6-495c4f9841f7
About this credential
The Certificate of Completion confirms that Adam Al Ferekh met the requirements set for the course SOLID Excellence: Learn to write Clean and Scalable Code. Scan the QR code on the certificate or open this page to check that it is still valid.
What was learned:
- How to apply Single Responsibility, Open/Closed, Liskov Substitution, Interface Segregation, and Dependency Inversion in real code.
- Techniques to refactor legacy/spaghetti code into modular, testable components. (A skill every company needs you to have)
- Patterns for designing extensible and maintainable software.
- How to use dependency injection and interface-driven design to improve testability.
Skills / Knowledge
Single Responsibility Principle
Open/Closed Principle
Liskov Substitution Principle
Interface Segregation Principle
Dependency Inversion Principle
Clean Code Practices