Certificate of Completion

cert icon

JAVA CODE REVIEW BADGE CERTIFICATE OF COMPLETION AWARDED TO:

Mateusz Olejarka


Earning this badge demonstrates the understanding and completion of challenges associated with Java source code review, covering a wide range of vulnerabilities. The scope of codebases reviewed includes everything from simple snippets and real-world CVE patches to more complex systems.

Cert ID: PTLJX0063 cert id checkmark
Date: 2025-07-08