SchweizerischeBundesbahnen/DAS
Dec 2024 – Oct 2025
9 Months active
Languages Used
DartXMLSVGJavaKotlinObjective-CSwiftYAML
Technical Skills
FlutterIntegration TestingWidget DevelopmentAPI IntegrationBackend IntegrationMobile Development
Raphaël Schreiber
PROFILE
Raphaël Schreiber
Raphael Mathieu Schreiber developed a suite of user-focused features and enhancements for the SchweizerischeBundesbahnen/DAS repository, delivering 21 features and addressing key UI, data, and reliability challenges over nine months. He engineered real-time punctuality displays, battery status indicators, and network information panels using Flutter and Dart, integrating backend data and refining state management for responsive mobile experiences. His work included code migrations, UI/UX improvements, and robust integration testing, ensuring maintainable and accessible interfaces. By optimizing performance, expanding localization, and introducing features like always-on display and mini-games, Raphael consistently improved operational visibility and user engagement while maintaining high code quality and test coverage.
Overall Statistics
Feature vs Bugs
88%Features
Repository Contributions
30Total
Bugs
3
Commits
30
Features
21
Lines of code
41,236
Activity Months9
Your Network
35 people
Work History
October 2025
2 Commits • 2 Features
Oct 1, 2025October 2025 monthly summary for SchweizerischeBundesbahnen/DAS: Delivered two major features, with a focus on enhancing data granularity and user experience for train journey information and EVU selection. No major bugs fixed this month; significant improvements in testing and localization readiness. These changes strengthen operational visibility and coverage for railway undertakings, enabling better decision-making and smoother workflows.
2 Commits • 2 Features
Oct 1, 2025October 2025 monthly summary for SchweizerischeBundesbahnen/DAS: Delivered two major features, with a focus on enhancing data granularity and user experience for train journey information and EVU selection. No major bugs fixed this month; significant improvements in testing and localization readiness. These changes strengthen operational visibility and coverage for railway undertakings, enabling better decision-making and smoother workflows.
October 2025
August 2025
3 Commits • 2 Features
Aug 1, 2025August 2025 monthly summary for SchweizerischeBundesbahnen/DAS focusing on user experience improvements and frontend performance optimizations. Delivered two key enhancements: (1) Next Stop Visual Distinction in the Train Journey Table, updating the next-stop indicators to a white/cement color scheme to improve visibility and reduce navigation errors; (2) Sticky Header optimization, including removal of redundant sticky logic in ReducedTrainJourney/DASTable and improvements to theme-change responsiveness when a sticky header is present. Collectively, these changes reduce rendering overhead, improve UI consistency during theme switches, and support a clearer, more accessible user interface for operators and passengers.
August 2025
3 Commits • 2 Features
Aug 1, 2025August 2025 monthly summary for SchweizerischeBundesbahnen/DAS focusing on user experience improvements and frontend performance optimizations. Delivered two key enhancements: (1) Next Stop Visual Distinction in the Train Journey Table, updating the next-stop indicators to a white/cement color scheme to improve visibility and reduce navigation errors; (2) Sticky Header optimization, including removal of redundant sticky logic in ReducedTrainJourney/DASTable and improvements to theme-change responsiveness when a sticky header is present. Collectively, these changes reduce rendering overhead, improve UI consistency during theme switches, and support a clearer, more accessible user interface for operators and passengers.
July 2025
4 Commits • 3 Features
Jul 1, 2025July 2025 monthly summary for SchweizerischeBundesbahnen/DAS focused on delivering user-centric UI enhancements and dependable data presentation to improve operational decision-making. Implemented time-based punctuality display states (visible, stale, hidden) with a refactor of time constants; enhanced PunctualityController logic to drive display based on last update time, improving UX when real-time data is delayed. Streamlined user interaction by removing an explicit Confirm button from break-series selection; selecting a series now confirms and closes the view, reducing interaction steps. Upgraded journey data presentation with clearer speed data in the service point modal and corrected kilometre display for balises, ensuring complete km rendering and proper alignment of level crossing rows. All changes were delivered with targeted fixes and refactoring to improve reliability and user productivity.
4 Commits • 3 Features
Jul 1, 2025July 2025 monthly summary for SchweizerischeBundesbahnen/DAS focused on delivering user-centric UI enhancements and dependable data presentation to improve operational decision-making. Implemented time-based punctuality display states (visible, stale, hidden) with a refactor of time constants; enhanced PunctualityController logic to drive display based on last update time, improving UX when real-time data is delayed. Streamlined user interaction by removing an explicit Confirm button from break-series selection; selecting a series now confirms and closes the view, reducing interaction steps. Upgraded journey data presentation with clearer speed data in the service point modal and corrected kilometre display for balises, ensuring complete km rendering and proper alignment of level crossing rows. All changes were delivered with targeted fixes and refactoring to improve reliability and user productivity.
July 2025
May 2025
5 Commits • 3 Features
May 1, 2025May 2025 (2025-05) monthly summary for SchweizerischeBundesbahnen/DAS: Delivered foundational code consistency, UX improvements, and a robust sound/alert system. The work enhances maintainability, user experience, and reliability, directly supporting business value in operations and customer-facing features.
May 2025
5 Commits • 3 Features
May 1, 2025May 2025 (2025-05) monthly summary for SchweizerischeBundesbahnen/DAS: Delivered foundational code consistency, UX improvements, and a robust sound/alert system. The work enhances maintainability, user experience, and reliability, directly supporting business value in operations and customer-facing features.
April 2025
6 Commits • 4 Features
Apr 1, 2025April 2025 monthly summary for SchweizerischeBundesbahnen/DAS: Delivered user-focused features, improved reliability, and enhanced accessibility. Key outcomes include a new mini-game, always-on display, brightness control, data handling refinements, and targeted bug fixes that collectively improve engagement, UX, and performance across Flutter and Android integrations.
6 Commits • 4 Features
Apr 1, 2025April 2025 monthly summary for SchweizerischeBundesbahnen/DAS: Delivered user-focused features, improved reliability, and enhanced accessibility. Key outcomes include a new mini-game, always-on display, brightness control, data handling refinements, and targeted bug fixes that collectively improve engagement, UX, and performance across Flutter and Android integrations.
April 2025
March 2025
5 Commits • 3 Features
Mar 1, 2025March 2025 was focused on delivering user-facing UI enhancements, strengthening data presentation, and stabilizing the journey overview. Key features delivered include a Day and Night Theme Mode with localization and tests, enabling consistent UI/UX across themes and languages; a Curves and km-board display that conditionally excludes curve points lacking speed data with integration tests; and a redesigned Low Battery Status Indicator with a modal prompt and localized strings, improving user awareness and actionability. A bug fix addressed the rendering of the last item in the reduced train journey overview to ensure reliable UI. These changes collectively improve user engagement, accessibility, and data trust, while maintaining a strong test suite to reduce regression risk.
March 2025
5 Commits • 3 Features
Mar 1, 2025March 2025 was focused on delivering user-facing UI enhancements, strengthening data presentation, and stabilizing the journey overview. Key features delivered include a Day and Night Theme Mode with localization and tests, enabling consistent UI/UX across themes and languages; a Curves and km-board display that conditionally excludes curve points lacking speed data with integration tests; and a redesigned Low Battery Status Indicator with a modal prompt and localized strings, improving user awareness and actionability. A bug fix addressed the rendering of the last item in the reduced train journey overview to ensure reliable UI. These changes collectively improve user engagement, accessibility, and data trust, while maintaining a strong test suite to reduce regression risk.
February 2025
2 Commits • 2 Features
Feb 1, 2025February 2025 – SchweizerischeBundesbahnen/DAS: Delivered two battery-status enhancements in the Train Journey Header, improved test coverage with integration mocks, and updated the battery warning threshold for earlier visibility. These changes provide clearer battery state for operators and passengers, enhancing reliability during journeys and reducing risk of unexpected power-related disruptions.
2 Commits • 2 Features
Feb 1, 2025February 2025 – SchweizerischeBundesbahnen/DAS: Delivered two battery-status enhancements in the Train Journey Header, improved test coverage with integration mocks, and updated the battery warning threshold for earlier visibility. These changes provide clearer battery state for operators and passengers, enhancing reliability during journeys and reducing risk of unexpected power-related disruptions.
February 2025
January 2025
2 Commits • 1 Features
Jan 1, 2025January 2025 monthly summary for SchweizerischeBundesbahnen/DAS: Delivered a real-time punctuality display in the train journey table with header enhancements and a refactor of the Sfera service to support new event messages for related train information. Updated tests and error handling to support the new functionality. Also fixed UI padding/alignment issues and added an integration test to verify update notifications, improving reliability and maintainability.
January 2025
2 Commits • 1 Features
Jan 1, 2025January 2025 monthly summary for SchweizerischeBundesbahnen/DAS: Delivered a real-time punctuality display in the train journey table with header enhancements and a refactor of the Sfera service to support new event messages for related train information. Updated tests and error handling to support the new functionality. Also fixed UI padding/alignment issues and added an integration test to verify update notifications, improving reliability and maintainability.
December 2024
1 Commits • 1 Features
Dec 1, 2024December 2024 monthly summary for SchweizerischeBundesbahnen/DAS: Delivered a key feature to display the next stop in the journey header by refactoring MainContainer to fetch the next stop from Journey data, with updated DASTable integration tests to verify the new display. No major bugs fixed in this period. This feature improves user visibility of upcoming stops and aligns UI with Journey data.
1 Commits • 1 Features
Dec 1, 2024December 2024 monthly summary for SchweizerischeBundesbahnen/DAS: Delivered a key feature to display the next stop in the journey header by refactoring MainContainer to fetch the next stop from Journey data, with updated DASTable integration tests to verify the new display. No major bugs fixed in this period. This feature improves user visibility of upcoming stops and aligns UI with Journey data.
December 2024
Activity
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Quality Metrics
Correctness86.0%
Maintainability86.0%
Architecture82.6%
Performance79.4%
AI Usage20.6%
Skills & Technologies
Programming Languages
DartJavaJavaScriptKotlinObjective-CSVGSwiftTypeScriptXMLYAML
Technical Skills
API IntegrationAndroid DevelopmentAsset IntegrationBackend IntegrationCode MigrationCross-Platform DevelopmentDartDependency InjectionFlutterFlutter DevelopmentFront End DevelopmentFront-end DevelopmentFrontend DevelopmentGame DevelopmentIntegration Testing
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