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Krzysztof Nizioł

PROFILE

Krzysztof Nizioł

Over four months, contributed to the mautic/mautic repository by delivering UI enhancements, bug fixes, and test reliability improvements across both front-end and back-end code. Worked on refining email theme selection and quick filter interfaces using CSS, LESS, and Twig, resulting in a more consistent and maintainable user experience. Addressed localization issues by adding missing translation keys, improving internationalization support. Enhanced PHPUnit test coverage for campaign and list models in PHP, reducing CI flakiness and supporting safer refactoring. Also resolved complex merge conflicts in core form handling, stabilizing release workflows and ensuring robust deployment readiness for the 7.x codebase.

Overall Statistics

Feature vs Bugs

33%Features

Repository Contributions

9Total
Bugs
4
Commits
9
Features
2
Lines of code
821,190
Activity Months4

Work History

March 2026

1 Commits

Mar 1, 2026

March 2026: Stability and release readiness focus for mautic/mautic. No new features shipped this month; primary work involved resolving a Form.php merge conflict to stabilize form handling as part of the 7.x bugfix workflow.

January 2026

1 Commits

Jan 1, 2026

January 2026 — Strengthened test reliability for mautic/mautic by addressing PHPUnit mocks alias property and assertions in campaign and list model tests. This fix improves test coverage, reduces flaky CI runs, and enables safer refactors and faster deployments.

November 2025

6 Commits • 2 Features

Nov 1, 2025

November 2025 (mautic/mautic): Focused on front-end polish and reliability to drive better user experience and maintainability. Key features delivered include UI refinements for Email Theme Selection (button styling, removal of extraneous icons, consistent sizing/spacing to align with the new visuals) and improvements to Campaigns and Emails Quick Filters for clearer references and more reliable filtering. Major bug fix involved reverting the button style readability changes that caused regressions, restoring stable visuals. Impact: improved UX consistency, reduced visual drift across core flows, and a more maintainable CSS system enabling faster feature iterations. Technologies demonstrated: CSS-driven UI refinements, class-based styling, regression safety and rollback readiness, front-end polish.

October 2025

1 Commits

Oct 1, 2025

October 2025 monthly summary for mautic/mautic: Fixed missing 'Exported by' translation in the English UI for the export feature. The localization bug prevented correct labeling of exports and could affect audits. Implemented via commit 10c474b9fc8b1433f25788fc87cbc5e9d88700d5 with translation key mautic.core.export.by.past.tense. This update improves user experience for English-speaking users, reduces localization-related support tickets, and demonstrates strong i18n practices in the codebase.

Activity

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Quality Metrics

Correctness95.6%
Maintainability91.2%
Architecture91.2%
Performance93.2%
AI Usage22.2%

Skills & Technologies

Programming Languages

BashCSSINILESSPHPTwigYAML

Technical Skills

CSSDevOpsDockerHTMLInternationalizationLESSPHPSymfonyTwigUI/UX designback end developmentfront end developmentfull stack developmentunit testing

Repositories Contributed To

1 repo

Overview of all repositories you've contributed to across your timeline

mautic/mautic

Oct 2025 Mar 2026
4 Months active

Languages Used

INICSSLESSPHPTwigBashYAML

Technical Skills

InternationalizationCSSHTMLLESSPHPSymfony