kivitendo/kivitendo-erp
Jun 2024 – Dec 2025
13 Months active
Languages Used
PerlHTMLSQLDocumentationTextCSSLESSYAML
Technical Skills
Perlbackend developmentAPI integrationerror handlingBackend DevelopmentDatabase Management
Cem Aydin
PROFILE
Cem Aydin
Over thirteen months, this developer enhanced the kivitendo-erp repository by delivering features and fixes across backend, frontend, and documentation layers. They implemented Swiss QR-IBAN support through database schema changes and configuration management using Perl and SQL, improving payment automation. Their work on UI/UX included CSS and LESS refactoring for maintainable styling, as well as HTML templating to streamline forms and notifications. They addressed technical debt by improving file handling, permissions, and background job reliability. Comprehensive documentation updates and localization ensured smooth onboarding and regulatory compliance, while targeted testing and error handling contributed to a more robust and maintainable codebase.
Overall Statistics
Feature vs Bugs
62%Features
Repository Contributions
29Total
Bugs
8
Commits
29
Features
13
Lines of code
832
Activity Months13
Your Network
69 peopleSame Organization
@gmx.ch49
Shared Repositories
20
Work History
December 2025
3 Commits • 2 Features
Dec 1, 2025December 2025 focused on delivering developer-facing improvements to kivitendo-erp. Key outputs include a Design 4.0 Documentation Update and updated LESS tooling/minification guidance to address deprecations, improving build reliability and developer productivity. These changes reduce runtime warnings, streamline onboarding, and strengthen maintainability of the frontend build pipeline.
3 Commits • 2 Features
Dec 1, 2025December 2025 focused on delivering developer-facing improvements to kivitendo-erp. Key outputs include a Design 4.0 Documentation Update and updated LESS tooling/minification guidance to address deprecations, improving build reliability and developer productivity. These changes reduce runtime warnings, streamline onboarding, and strengthen maintainability of the frontend build pipeline.
December 2025
October 2025
1 Commits • 1 Features
Oct 1, 2025Monthly summary for 2025-10 (kivitendo/kivitendo-erp): Delivered a UI/UX improvement for the Bank Reconciliation form, strengthening structure and styling via a wrapper div around the form.html. This lays groundwork for clearer workflows, easier styling, and faster iteration on bank reconciliation features. Overall impact: improved user experience during bank reconciliation and maintainability of the UI codebase. Tech highlights include HTML templating, frontend structure enhancements, and version-control discipline. Major bugs fixed: none documented this month in scope.
October 2025
1 Commits • 1 Features
Oct 1, 2025Monthly summary for 2025-10 (kivitendo/kivitendo-erp): Delivered a UI/UX improvement for the Bank Reconciliation form, strengthening structure and styling via a wrapper div around the form.html. This lays groundwork for clearer workflows, easier styling, and faster iteration on bank reconciliation features. Overall impact: improved user experience during bank reconciliation and maintainability of the UI codebase. Tech highlights include HTML templating, frontend structure enhancements, and version-control discipline. Major bugs fixed: none documented this month in scope.
September 2025
1 Commits • 1 Features
Sep 1, 2025For 2025-09, delivered Design 4.0 Documentation and Guidelines for the kivitendo-erp repository, focusing on Less-based CSS adjustments, build/compilation instructions, and customization guidelines. This work centralizes design-system guidance, improves developer onboarding, and supports consistent UI implementation. The update is captured in commit 3333682456861f7bbcb4fb3b29804657797155b1 (Design4.0: Abschnitt in Entwickler Dokumentation hinzugefügt).
1 Commits • 1 Features
Sep 1, 2025For 2025-09, delivered Design 4.0 Documentation and Guidelines for the kivitendo-erp repository, focusing on Less-based CSS adjustments, build/compilation instructions, and customization guidelines. This work centralizes design-system guidance, improves developer onboarding, and supports consistent UI implementation. The update is captured in commit 3333682456861f7bbcb4fb3b29804657797155b1 (Design4.0: Abschnitt in Entwickler Dokumentation hinzugefügt).
September 2025
August 2025
3 Commits • 1 Features
Aug 1, 2025August 2025 performance summary for kivitendo/kivitendo-erp. Delivered Flash theme visual polish and improved message presentation, refreshed CSS/LESS to align with latest design specs, and added targeted tests to ensure reliable flash messaging. These outcomes enhance on-screen readability, branding consistency, and UI stability, reducing post-release support risk and enabling faster iteration on frontend design.
August 2025
3 Commits • 1 Features
Aug 1, 2025August 2025 performance summary for kivitendo/kivitendo-erp. Delivered Flash theme visual polish and improved message presentation, refreshed CSS/LESS to align with latest design specs, and added targeted tests to ensure reliable flash messaging. These outcomes enhance on-screen readability, branding consistency, and UI stability, reducing post-release support risk and enabling faster iteration on frontend design.
May 2025
1 Commits
May 1, 2025May 2025 focused on stabilizing asset handling in the Design40 theme for kivitendo-erp. Implemented a targeted bug fix to correct file permissions on LESS assets, preventing misinterpretation as executables and smoothing asset compilation across environments. While no new features shipped this month, the fix reduces deployment risk and improves maintainability. The change is isolated, well-documented, and traceable via commit 58c908766db3934809159f2e8ad17bf27c48834d.
1 Commits
May 1, 2025May 2025 focused on stabilizing asset handling in the Design40 theme for kivitendo-erp. Implemented a targeted bug fix to correct file permissions on LESS assets, preventing misinterpretation as executables and smoothing asset compilation across environments. While no new features shipped this month, the fix reduces deployment risk and improves maintainability. The change is isolated, well-documented, and traceable via commit 58c908766db3934809159f2e8ad17bf27c48834d.
May 2025
April 2025
1 Commits • 1 Features
Apr 1, 2025April 2025: Delivered a practical LESS-based theming example in the kivitendo-erp repository to enable rapid, non-invasive branding customization. This work improves UX consistency, accelerates customer theming efforts, and maintains core CSS integrity.
April 2025
1 Commits • 1 Features
Apr 1, 2025April 2025: Delivered a practical LESS-based theming example in the kivitendo-erp repository to enable rapid, non-invasive branding customization. This work improves UX consistency, accelerates customer theming efforts, and maintains core CSS integrity.
March 2025
8 Commits • 1 Features
Mar 1, 2025March 2025: Delivered targeted UI and data-layer improvements in kivitendo-erp (Design4.0) to boost usability, stability, and data integrity across core workflows. Focused on frontend rendering fixes, improved form usability, and a safe, scalable data schema change. The work reduces user friction in day-to-day tasks and simplifies future refinements, with measurable improvements in UI readability and consistency.
8 Commits • 1 Features
Mar 1, 2025March 2025: Delivered targeted UI and data-layer improvements in kivitendo-erp (Design4.0) to boost usability, stability, and data integrity across core workflows. Focused on frontend rendering fixes, improved form usability, and a safe, scalable data schema change. The work reduces user friction in day-to-day tasks and simplifies future refinements, with measurable improvements in UI readability and consistency.
March 2025
February 2025
3 Commits • 3 Features
Feb 1, 2025February 2025 monthly summary for kivitendo/kivitendo-erp focusing on UI styling improvements and test/demo capabilities. Delivered new design system utilities, refactored delivery order status line to CSS-based styling for maintainability, and introduced a Flash Message Demo Page to facilitate testing and verification. No major bugs fixed this month. These changes enhance UI consistency, developer productivity, and testing coverage, contributing to faster feature delivery and improved user experience.
February 2025
3 Commits • 3 Features
Feb 1, 2025February 2025 monthly summary for kivitendo/kivitendo-erp focusing on UI styling improvements and test/demo capabilities. Delivered new design system utilities, refactored delivery order status line to CSS-based styling for maintainability, and introduced a Flash Message Demo Page to facilitate testing and verification. No major bugs fixed this month. These changes enhance UI consistency, developer productivity, and testing coverage, contributing to faster feature delivery and improved user experience.
December 2024
3 Commits • 1 Features
Dec 1, 2024December 2024 monthly summary for kivitendo-erp: Implemented end-to-end Swiss QR-IBAN support with a dedicated database column and upgrade path, complemented by localization and user documentation to ensure accurate input and smooth adoption. This work enhances Swiss payment interoperability, data quality, and readiness for regulatory updates.
3 Commits • 1 Features
Dec 1, 2024December 2024 monthly summary for kivitendo-erp: Implemented end-to-end Swiss QR-IBAN support with a dedicated database column and upgrade path, complemented by localization and user documentation to ensure accurate input and smooth adoption. This work enhances Swiss payment interoperability, data quality, and readiness for regulatory updates.
December 2024
November 2024
2 Commits • 1 Features
Nov 1, 2024November 2024 — Delivered QR-IBAN support for Swiss bank accounts in kivitendo/kivitendo-erp. Extended the bank_accounts data model with a QR-IBAN column and added a dedicated configuration field to distinguish QR-IBANs from regular IBANs, enabling direct booking and improved reconciliation for Swiss customers. Implemented a database upgrade to add the QR-IBAN column (Swiss) and related configuration, aligning with market requirements. Result: faster payments automation and reduced manual data entry; technical work includes DB migrations, data model extension, and configuration management. No major bugs reported this month; planning for broader testing and documentation in upcoming releases.
November 2024
2 Commits • 1 Features
Nov 1, 2024November 2024 — Delivered QR-IBAN support for Swiss bank accounts in kivitendo/kivitendo-erp. Extended the bank_accounts data model with a QR-IBAN column and added a dedicated configuration field to distinguish QR-IBANs from regular IBANs, enabling direct booking and improved reconciliation for Swiss customers. Implemented a database upgrade to add the QR-IBAN column (Swiss) and related configuration, aligning with market requirements. Result: faster payments automation and reduced manual data entry; technical work includes DB migrations, data model extension, and configuration management. No major bugs reported this month; planning for broader testing and documentation in upcoming releases.
October 2024
1 Commits
Oct 1, 2024October 2024 monthly summary for kivitendo/kivitendo-erp focused on reliability improvements for e-commerce media upload. Implemented a targeted fix for Shopware 6.6+ image uploads by correctly retrieving and applying the media folder ID, addressing failures during product media publishing and improving overall connector stability.
1 Commits
Oct 1, 2024October 2024 monthly summary for kivitendo/kivitendo-erp focused on reliability improvements for e-commerce media upload. Implemented a targeted fix for Shopware 6.6+ image uploads by correctly retrieving and applying the media folder ID, addressing failures during product media publishing and improving overall connector stability.
October 2024
September 2024
1 Commits
Sep 1, 2024Monthly summary for 2024-09 focused on stabilizing background processing in the kivitendo/kivitendo-erp repository. Implemented a bug fix for ShopPartMassCreate background job to skip existing images, preventing deletions and incorrect image updates. This improvement preserves existing assets during batch creation, enhancing data integrity and reducing post-deployment remediation. Demonstrated strong skills in background job handling, safe file operations, and change traceability (commit ba8e17aae523919a7344ab168a37fa482a43de44).
September 2024
1 Commits
Sep 1, 2024Monthly summary for 2024-09 focused on stabilizing background processing in the kivitendo/kivitendo-erp repository. Implemented a bug fix for ShopPartMassCreate background job to skip existing images, preventing deletions and incorrect image updates. This improvement preserves existing assets during batch creation, enhancing data integrity and reducing post-deployment remediation. Demonstrated strong skills in background job handling, safe file operations, and change traceability (commit ba8e17aae523919a7344ab168a37fa482a43de44).
June 2024
1 Commits • 1 Features
Jun 1, 2024June 2024 — Delivered a cross-platform filename sanitization feature for kivitendo-erp to ensure titles used as filenames are cleaned of non-word characters, preventing synchronization errors across environments. Implemented within the background processing flow for mass creation of shop parts/images, reducing manual remediation and increasing reliability of automated sync pipelines. Tech debt addressed: safer file handling and clearer data integrity in batch operations.
1 Commits • 1 Features
Jun 1, 2024June 2024 — Delivered a cross-platform filename sanitization feature for kivitendo-erp to ensure titles used as filenames are cleaned of non-word characters, preventing synchronization errors across environments. Implemented within the background processing flow for mass creation of shop parts/images, reducing manual remediation and increasing reliability of automated sync pipelines. Tech debt addressed: safer file handling and clearer data integrity in batch operations.
June 2024
Activity
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Quality Metrics
Correctness93.2%
Maintainability93.2%
Architecture89.6%
Performance88.2%
AI Usage20.0%
Skills & Technologies
Programming Languages
CSSDocumentationHTMLLESSLessMarkdownPerlSQLTextXML
Technical Skills
API integrationBackend DevelopmentCSSDatabase ManagementDocumentationDocumentation UpdateFile Permissions ManagementFront End DevelopmentFront-end DevelopmentFrontend DevelopmentHTMLHTML TemplatingLESSLessLocalization
Repositories Contributed To
Overview of all repositories you've contributed to across your timeline