org-metaeffekt/metaeffekt-core
Apr 2025 – May 2025
2 Months active
Languages Used
Java
Technical Skills
Backend DevelopmentCVSSData ProcessingData SerializationFile ProcessingJava Development
Yan Wittmann
PROFILE
Yan Wittmann
Yan Wittmann enhanced the org-metaeffekt/metaeffekt-core repository by delivering features and fixes that improved data integrity and vulnerability management. He implemented CVSS 4.0 scoring, enabling richer risk analytics through support for Threat, Environmental, and Base scores, and refactored core classes for maintainability. Using Java and leveraging skills in backend development and data serialization, Yan resolved inventory serialization bugs to ensure accurate export data and prevent duplication. He standardized vulnerability assessment retrieval and refactored process time tracking for better performance and readability. His work demonstrated depth in code refactoring, defensive coding, and modular design, resulting in more reliable vulnerability reporting.
Overall Statistics
Feature vs Bugs
80%Features
Repository Contributions
8Total
Bugs
1
Commits
8
Features
4
Lines of code
475
Activity Months2
Your Network
13 people
Work History
May 2025
5 Commits • 3 Features
May 1, 2025May 2025 performance summary for org-metaeffekt/metaeffekt-core: Delivered three core features focused on vulnerability management reliability and maintainability; fixed a CVSS vector serialization bug; refactored time tracking for better performance. These changes improve reliability of vulnerability reporting, reduce maintenance overhead, and enable faster onboarding of future enhancements. Technologies demonstrated include parsing/serialization improvements, defensive coding, and modular refactor patterns.
5 Commits • 3 Features
May 1, 2025May 2025 performance summary for org-metaeffekt/metaeffekt-core: Delivered three core features focused on vulnerability management reliability and maintainability; fixed a CVSS vector serialization bug; refactored time tracking for better performance. These changes improve reliability of vulnerability reporting, reduce maintenance overhead, and enable faster onboarding of future enhancements. Technologies demonstrated include parsing/serialization improvements, defensive coding, and modular refactor patterns.
May 2025
April 2025
3 Commits • 1 Features
Apr 1, 2025April 2025 performance summary for org-metaeffekt/metaeffekt-core: Delivered critical bug fixes and features to improve data integrity and risk analytics. Inventory serialization fixes reduce duplication and ensure correct data for non-split columns; CVSS 4.0 scoring support enables richer risk assessment through Threat, Environmental, and Base scores, backed by code refactors.
April 2025
3 Commits • 1 Features
Apr 1, 2025April 2025 performance summary for org-metaeffekt/metaeffekt-core: Delivered critical bug fixes and features to improve data integrity and risk analytics. Inventory serialization fixes reduce duplication and ensure correct data for non-split columns; CVSS 4.0 scoring support enables richer risk assessment through Threat, Environmental, and Base scores, backed by code refactors.
Activity
Loading activity data...
Quality Metrics
Correctness90.0%
Maintainability88.8%
Architecture82.6%
Performance77.4%
AI Usage20.0%
Skills & Technologies
Programming Languages
Java
Technical Skills
Backend DevelopmentCVSSCode RefactoringData ProcessingData SerializationDebuggingFile ProcessingJavaJava DevelopmentLoggingSecuritySoftware DesignVulnerability AssessmentVulnerability Management
Repositories Contributed To
Overview of all repositories you've contributed to across your timeline