folio-org/mod-audit
Feb 2026 – Feb 2026
1 Month active
Languages Used
JavaMarkdownSQL
Technical Skills
API developmentJavaSQLSpring Frameworkbackend developmentdatabase management
Simon Lämmer
PROFILE
Simon Lämmer
Over a two-month period, this developer contributed to the folio-org/mod-users and folio-org/mod-audit repositories, focusing on backend systems in Java and SQL. They implemented a configurable user audit logging feature, introducing a settings group and permissions to enable or disable audit tracking, and refactored core components for modularity and code reuse. Their work included extracting shared utilities, improving integration tests, and updating documentation to support maintainability. Additionally, they addressed data consistency issues by ensuring accurate metadata in Kafka events and preserving user record integrity during updates, demonstrating a methodical approach to event-driven architecture, database management, and robust API development.
Overall Statistics
Feature vs Bugs
80%Features
Repository Contributions
8Total
Bugs
1
Commits
8
Features
4
Lines of code
570
Activity Months2
Your Network
16 peopleSame Organization
@ub.uni-leipzig.de1
Work History
February 2026
6 Commits • 4 Features
Feb 1, 2026February 2026 focused on delivering the architectural foundation and initial user-facing controls for audit logging in folio-org/mod-audit. Key work includes enabling a configurable User Audit setting (audit.users) with permissions and integration tests, refactoring DiffCalculator to decouple from inventory types to support cross-consumer reuse, and extracting shared utilities and payload handling to improve maintainability. The default state is disabled to minimize risk, with a path to toggling via the existing API. This work establishes the business capability for future user event processing, improves code reuse, and enhances testing/documentation.
6 Commits • 4 Features
Feb 1, 2026February 2026 focused on delivering the architectural foundation and initial user-facing controls for audit logging in folio-org/mod-audit. Key work includes enabling a configurable User Audit setting (audit.users) with permissions and integration tests, refactoring DiffCalculator to decouple from inventory types to support cross-consumer reuse, and extracting shared utilities and payload handling to improve maintainability. The default state is disabled to minimize risk, with a path to toggling via the existing API. This work establishes the business capability for future user event processing, improves code reuse, and enhances testing/documentation.
February 2026
October 2025
2 Commits
Oct 1, 2025October 2025: Key integrity fixes in user management; preserved createdDate on updates; corrected Kafka update event metadata by re-fetching the user post-update; improved consistency between DB state and Kafka events; commits linked to internal issues MODUSERS-548 and MODUSERS-549.
October 2025
2 Commits
Oct 1, 2025October 2025: Key integrity fixes in user management; preserved createdDate on updates; corrected Kafka update event metadata by re-fetching the user post-update; improved consistency between DB state and Kafka events; commits linked to internal issues MODUSERS-548 and MODUSERS-549.
Activity
Loading activity data...
Quality Metrics
Correctness95.0%
Maintainability95.0%
Architecture95.0%
Performance95.0%
AI Usage25.0%
Skills & Technologies
Programming Languages
JavaJavaScriptMarkdownSQL
Technical Skills
API DevelopmentAPI developmentBackend DevelopmentDatabase ManagementEvent-Driven ArchitectureJavaSQLSpring FrameworkTestingbackend developmentdatabase managementdocumentationtestingunit testingversion control
Repositories Contributed To
Overview of all repositories you've contributed to across your timeline
folio-org/mod-users
Oct 2025 – Oct 2025
1 Month active
Languages Used
JavaJavaScript
Technical Skills
API DevelopmentBackend DevelopmentDatabase ManagementEvent-Driven ArchitectureTesting