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Mauritz Sjödin

PROFILE

Mauritz Sjödin

Worked on lichess-org/mobile and lichess-org/lila, delivering UI and UX improvements across mobile and web chess applications. Focused on front-end development using Flutter, Dart, and CSS, this developer overhauled puzzle and game layouts, consolidated widget code for maintainability, and standardized error handling to improve user experience. They refactored duplicated chessboard components into a reusable BoardWidget, enhanced layout consistency, and addressed Android initialization order to improve startup reliability. On the web, they polished move comment link alignment for better readability. Their approach emphasized code reusability, state management, and UI/UX refinement, resulting in cleaner interfaces and more robust, maintainable codebases.

Overall Statistics

Feature vs Bugs

67%Features

Repository Contributions

16Total
Bugs
2
Commits
16
Features
4
Lines of code
4,616
Activity Months3

Work History

June 2025

6 Commits • 2 Features

Jun 1, 2025

June 2025 monthly summary for lichess-org/mobile focused on UX improvements and code quality: Delivered two high-impact front-end features with targeted bug/quality fixes and refactors to reduce duplication and standardize error handling. Key features delivered: - Puzzle Storm UI Overhaul: new layout, improved loading and error handling, removal of PuzzleLayout, and a unified puzzle error board component to enhance user experience during puzzle storm gameplay. - Board Widget Consolidation: introduced a reusable BoardWidget to replace duplicated chessboard UI across puzzle screens and the main layout, improving maintainability and consistency. Major bugs fixed / quality improvements: - Standardized error presentation by adopting a common error board across puzzle screens. - Reduced duplication and potential bugs by refactoring to reuse the _BoardWidget, eliminating several duplicated implementations. - Minor UI formatting fixes to ensure consistency across puzzle screens. Overall impact and accomplishments: - Improved user experience during puzzle storms with faster load times and clearer error states. - Stronger codebase: reduced duplication, easier maintenance, and faster future enhancements. - Enabled smoother collaboration and faster iteration cycles through standardized components and error handling. Technologies/skills demonstrated: - Front-end componentization and reuse (BoardWidget pattern) - Refactoring for maintainability and consistency - Improved UX through layout and error handling improvements - Attention to UI consistency and quality via formatting fixes

May 2025

8 Commits • 1 Features

May 1, 2025

May 2025 monthly summary for lichess-org/mobile focusing on UI/UX refinements, stability improvements, and verified behavior during loading states. Delivered a cohesive mobile puzzle and game layout experience, reinforced startup reliability, and ensured visible controls during content loading, enabling faster user adoption and reduced support friction.

December 2024

2 Commits • 1 Features

Dec 1, 2024

December 2024 monthly summary for lichess-org/lila: Implemented Move Comments Link Alignment UI Polish to improve visual consistency and readability. Addressed alignment issues by removing unnecessary vertical-align styling and centering move-comment links with surrounding text. Two commits completed to fix the alignment and rendering.

Activity

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Quality Metrics

Correctness90.0%
Maintainability90.0%
Architecture85.6%
Performance85.0%
AI Usage20.0%

Skills & Technologies

Programming Languages

CSSDartFlutterJavaKotlinSCSS

Technical Skills

CSSCode ReusabilityCodebase OrganizationFlutterFlutter DevelopmentFront End DevelopmentGame DevelopmentMobile DevelopmentRefactoringState ManagementUI DevelopmentUI/UX DesignUI/UX DevelopmentUI/UX RefinementWidget Composition

Repositories Contributed To

2 repos

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

lichess-org/mobile

May 2025 Jun 2025
2 Months active

Languages Used

DartFlutterJavaKotlin

Technical Skills

Codebase OrganizationFlutterFlutter DevelopmentGame DevelopmentMobile DevelopmentRefactoring

lichess-org/lila

Dec 2024 Dec 2024
1 Month active

Languages Used

CSSSCSS

Technical Skills

CSSFront End Development