
Fabian developed and maintained core features across Infomaniak’s Android repositories, including android-kMail, android-kDrive, and android-core, focusing on secure file transfer, encryption workflows, and cross-app authentication. He engineered robust UI flows and backend integrations, leveraging Kotlin, Jetpack Compose, and Realm to deliver reliable onboarding, edge-to-edge layouts, and responsive notification systems. Fabian’s work included refactoring legacy modules, implementing analytics with Matomo, and enhancing error handling for stability and maintainability. Through iterative releases, he improved data integrity, streamlined login and upgrade experiences, and ensured compatibility across devices, demonstrating depth in mobile development and a strong grasp of modern Android architecture.

February 2026 focused on stabilizing core experiences, improving data integrity, and enhancing observability across Infomaniak Android apps. Delivered cross-repo releases and critical fixes that reduce crash risk, improve UX, and enable faster debugging and maintenance. Notable outcomes include memory-management improvements in Realm, robust error handling and logging for LogoutUser, and enhanced login observability across kDrive, core, and SwissTransfer. Demonstrated value through better data handling, safer lifecycle management, and upgrade instrumentation with Sentry tagging and breadcrumbs. These changes collectively enhance reliability, UX, and maintainability while supporting future feature delivery.
February 2026 focused on stabilizing core experiences, improving data integrity, and enhancing observability across Infomaniak Android apps. Delivered cross-repo releases and critical fixes that reduce crash risk, improve UX, and enable faster debugging and maintenance. Notable outcomes include memory-management improvements in Realm, robust error handling and logging for LogoutUser, and enhanced login observability across kDrive, core, and SwissTransfer. Demonstrated value through better data handling, safer lifecycle management, and upgrade instrumentation with Sentry tagging and breadcrumbs. These changes collectively enhance reliability, UX, and maintainability while supporting future feature delivery.
January 2026 performance summary for Infomaniak Android repos. Delivered user-facing features, stability fixes, and maintainability improvements across three repos, driving user productivity, data integrity, and developer efficiency. Highlights include kMail 1.24.0 release with UI improvements and translations fixes; MailPremium UI with direct deeplink navigation; cross-app device ID for staff in kDrive with enhanced login telemetry; centralized root file loading and search stability fixes; and core enhancements for Mail Premium upgrade dialog, Kotlin sealed-class restrictions explanation, and AndroidLogin upgrade.
January 2026 performance summary for Infomaniak Android repos. Delivered user-facing features, stability fixes, and maintainability improvements across three repos, driving user productivity, data integrity, and developer efficiency. Highlights include kMail 1.24.0 release with UI improvements and translations fixes; MailPremium UI with direct deeplink navigation; cross-app device ID for staff in kDrive with enhanced login telemetry; centralized root file loading and search stability fixes; and core enhancements for Mail Premium upgrade dialog, Kotlin sealed-class restrictions explanation, and AndroidLogin upgrade.
December 2025 monthly performance summary for Infomaniak Android apps. The sprint delivered a cohesive set of feature enhancements, stability fixes, and technical improvements across three repositories, driving user experience improvements, product readiness for new tiers, and more reliable integrations with backend services and analytics. Key features delivered: - android-kMail: Version bumps and dependency updates across core/libs to 1.21.4 → 1.22.x; EasterEgg system overhaul with new interface (EventsEasterEgg), updates to Christmas and Halloween eggs, refactor of showEasterEggFunction, file cleanups, and Matomo integration; New Year animation support via unified lottieView and enum for three New Year cases; Starter Pack introduction in mailbox pack with navigation to mail premium sheet; OnboardingPermission crash fix on API < 31; general versioning and code cleanup. - android-kDrive: ChromeOS file handling improvements enabling more reliable offline downloads and display; fix for synchronized photos deletion popup visibility; CrossAppLogin error-state handling improvements; dependency upgrades and observability enhancements (e.g., Sentry logging refinements). - android-core: Authentication flow enhancements including token validity routing, improved empty-state behavior for no accounts, clearer multilingual messaging for CrossAppLogin, and string/messaging fixes; KSuite StarterPack release for new tier; API layer stability improvements with reduced log noise for transient 503s and refactored ApiController; dependency updates. Major bugs fixed: - OnboardingPermission: Prevented app crash when requesting permissions on API < 31. - CrossAppLogin/UI: Hide cross-app interface on error and correctly reset login state in ConnectionLoader. - ChromeOS: Fixed offline downloads and display issues; improved release notes for fixes. - Synchronized photos deletion: Popup now reliably appears. - Lint and resource handling: Direct use of colorResource and stringResource to satisfy lint rules. Overall impact and accomplishments: - Increased app stability and reliability across onboarding, cross-app login flows, and file handling on ChromeOS, resulting in reduced user-reported issues and smoother user journeys. - Elevated developer velocity through proactive dependency updates, code cleanup, and observability improvements, enabling easier maintenance and faster iteration. - Established business-ready features such as StarterPack tiers in multiple products, aligning with pricing and value strategies; improved accessibility and UX consistency through theming and XML view updates. Technologies/skills demonstrated: - Dependency management and versioning, lint discipline, and code cleanup. - Refactoring patterns (EasterEgg interface, ApiController cleanup, shared lottieView usage). - Cross-app authentication improvements, improved error handling, and multilingual messaging. - Observability and analytics adjustments (Sentry, Matomo integration). - Accessibility and UI/UX improvements (starter packs, theme accessibility, bottom sheet behavior).
December 2025 monthly performance summary for Infomaniak Android apps. The sprint delivered a cohesive set of feature enhancements, stability fixes, and technical improvements across three repositories, driving user experience improvements, product readiness for new tiers, and more reliable integrations with backend services and analytics. Key features delivered: - android-kMail: Version bumps and dependency updates across core/libs to 1.21.4 → 1.22.x; EasterEgg system overhaul with new interface (EventsEasterEgg), updates to Christmas and Halloween eggs, refactor of showEasterEggFunction, file cleanups, and Matomo integration; New Year animation support via unified lottieView and enum for three New Year cases; Starter Pack introduction in mailbox pack with navigation to mail premium sheet; OnboardingPermission crash fix on API < 31; general versioning and code cleanup. - android-kDrive: ChromeOS file handling improvements enabling more reliable offline downloads and display; fix for synchronized photos deletion popup visibility; CrossAppLogin error-state handling improvements; dependency upgrades and observability enhancements (e.g., Sentry logging refinements). - android-core: Authentication flow enhancements including token validity routing, improved empty-state behavior for no accounts, clearer multilingual messaging for CrossAppLogin, and string/messaging fixes; KSuite StarterPack release for new tier; API layer stability improvements with reduced log noise for transient 503s and refactored ApiController; dependency updates. Major bugs fixed: - OnboardingPermission: Prevented app crash when requesting permissions on API < 31. - CrossAppLogin/UI: Hide cross-app interface on error and correctly reset login state in ConnectionLoader. - ChromeOS: Fixed offline downloads and display issues; improved release notes for fixes. - Synchronized photos deletion: Popup now reliably appears. - Lint and resource handling: Direct use of colorResource and stringResource to satisfy lint rules. Overall impact and accomplishments: - Increased app stability and reliability across onboarding, cross-app login flows, and file handling on ChromeOS, resulting in reduced user-reported issues and smoother user journeys. - Elevated developer velocity through proactive dependency updates, code cleanup, and observability improvements, enabling easier maintenance and faster iteration. - Established business-ready features such as StarterPack tiers in multiple products, aligning with pricing and value strategies; improved accessibility and UX consistency through theming and XML view updates. Technologies/skills demonstrated: - Dependency management and versioning, lint discipline, and code cleanup. - Refactoring patterns (EasterEgg interface, ApiController cleanup, shared lottieView usage). - Cross-app authentication improvements, improved error handling, and multilingual messaging. - Observability and analytics adjustments (Sentry, Matomo integration). - Accessibility and UI/UX improvements (starter packs, theme accessibility, bottom sheet behavior).
November 2025 performance snapshot focused on delivering robust CrossAppLogin capabilities, user-centric UI improvements, and maintainability across Infomaniak Android modules. Key outcomes include token viability checks with parallelized evaluation and deduplication, live emission of accounts with a responsive loader and comprehensive status reporting, and architectural refinements for cleaner UI and localization. Stability and security improvements were achieved through targeted dependency bumps, FDroid gating adjustments, and infrastructure enhancements to support reliable testing.
November 2025 performance snapshot focused on delivering robust CrossAppLogin capabilities, user-centric UI improvements, and maintainability across Infomaniak Android modules. Key outcomes include token viability checks with parallelized evaluation and deduplication, live emission of accounts with a responsive loader and comprehensive status reporting, and architectural refinements for cleaner UI and localization. Stability and security improvements were achieved through targeted dependency bumps, FDroid gating adjustments, and infrastructure enhancements to support reliable testing.
October 2025 performance highlights across Infomaniak Android repos (android-kDrive, android-kMail, android-core): delivered stability fixes, targeted bug resolutions, and a set of refactors that enhance reliability, security, and developer productivity. Notable outcomes include removing unreliable video capture on Xiaomi devices, modernizing download/notification flows with Kotlin Coroutines, and shipping multi-release improvements with broader library upgrades. The month also featured cross-repo UI/notification code cleanups and architecture refinements that position the team for faster iteration and easier maintenance. Key business impact: - Fewer user-reported issues and crashes due to device-specific bugs and deprecated flows. - More robust background processing and user notifications, improving task completion rates for downloads/uploads. - Stronger security and access control through 2FA improvements and formalized validation rules. - Up-to-date libraries and UI frameworks reducing technical debt and enabling better UX across apps. Technologies/skills demonstrated: - Kotlin coroutines for asynchronous workflows and centralizing logic. - Material Components 1.13.0 integration and library version management. - Refactoring for separation of concerns (ViewModel, notification receivers, UI adapters). - Cross-repo coordination for dependency upgrades and consistent UX patterns.
October 2025 performance highlights across Infomaniak Android repos (android-kDrive, android-kMail, android-core): delivered stability fixes, targeted bug resolutions, and a set of refactors that enhance reliability, security, and developer productivity. Notable outcomes include removing unreliable video capture on Xiaomi devices, modernizing download/notification flows with Kotlin Coroutines, and shipping multi-release improvements with broader library upgrades. The month also featured cross-repo UI/notification code cleanups and architecture refinements that position the team for faster iteration and easier maintenance. Key business impact: - Fewer user-reported issues and crashes due to device-specific bugs and deprecated flows. - More robust background processing and user notifications, improving task completion rates for downloads/uploads. - Stronger security and access control through 2FA improvements and formalized validation rules. - Up-to-date libraries and UI frameworks reducing technical debt and enabling better UX across apps. Technologies/skills demonstrated: - Kotlin coroutines for asynchronous workflows and centralizing logic. - Material Components 1.13.0 integration and library version management. - Refactoring for separation of concerns (ViewModel, notification receivers, UI adapters). - Cross-repo coordination for dependency upgrades and consistent UX patterns.
September 2025 performance highlights across Infomaniak Android apps (kMail, kDrive, android-core). Focused on security UX improvements, stability hardening, release automation, and architectural improvements across three repos, enabling smoother releases, improved reliability, and stronger telemetry. Business value delivered includes improved user trust, reduced risk of crashes, faster releases, and reusable core components.
September 2025 performance highlights across Infomaniak Android apps (kMail, kDrive, android-core). Focused on security UX improvements, stability hardening, release automation, and architectural improvements across three repos, enabling smoother releases, improved reliability, and stronger telemetry. Business value delivered includes improved user trust, reduced risk of crashes, faster releases, and reusable core components.
August 2025 focused on stability, UX, and release readiness across the Infomaniak Android stack. Key outcomes: (1) kDrive 5.8.x release management and dependency bumps with release notes; (2) UI polish and robust file operations in kDrive, reducing crashes and improving error feedback; (3) Junk messages overhaul in kMail with a JunkMessagesViewModel and UI refactors to streamline blocking; (4) localization and registration robustness plus address-book crash fixes in kMail, plus routine maintenance; (5) android-core dependency updates (Kotest 6.0.0, Ktlint 13.1.0). These deliverables improve business value: smoother releases, higher user satisfaction, and stronger developer productivity.
August 2025 focused on stability, UX, and release readiness across the Infomaniak Android stack. Key outcomes: (1) kDrive 5.8.x release management and dependency bumps with release notes; (2) UI polish and robust file operations in kDrive, reducing crashes and improving error feedback; (3) Junk messages overhaul in kMail with a JunkMessagesViewModel and UI refactors to streamline blocking; (4) localization and registration robustness plus address-book crash fixes in kMail, plus routine maintenance; (5) android-core dependency updates (Kotest 6.0.0, Ktlint 13.1.0). These deliverables improve business value: smoother releases, higher user satisfaction, and stronger developer productivity.
July 2025 performance summary across Infomaniak/android-kMail and Infomaniak/android-kDrive. Delivered major encryption UI/UX enhancements, reliability improvements for the encryption flow, and performance/stability gains across Drive components. Achieved release-ready updates including schema and version bumps, with analytics integration to monitor security-related flows. The work emphasizes business value: stronger security UX, faster app launches, and smoother critical workflows.
July 2025 performance summary across Infomaniak/android-kMail and Infomaniak/android-kDrive. Delivered major encryption UI/UX enhancements, reliability improvements for the encryption flow, and performance/stability gains across Drive components. Achieved release-ready updates including schema and version bumps, with analytics integration to monitor security-related flows. The work emphasizes business value: stronger security UX, faster app launches, and smoother critical workflows.
June 2025: Delivered critical end-to-end encryption enhancements in android-kMail, improved UI/theming and packaging for encryption features, shipped UnencryptableRecipients improvements, and stabilized core initialization with targeted bug fixes. Also advanced release readiness with android-kDrive 5.6.1 and core parcel utilities.
June 2025: Delivered critical end-to-end encryption enhancements in android-kMail, improved UI/theming and packaging for encryption features, shipped UnencryptableRecipients improvements, and stabilized core initialization with targeted bug fixes. Also advanced release readiness with android-kDrive 5.6.1 and core parcel utilities.
May 2025 monthly performance summary focusing on delivering a consistent, edge-to-edge user experience across devices, stabilizing onboarding and review flows, and enhancing maintainability across core modules. The month emphasized cross-repo UI polish (Api35 insets, safe areas, and IME handling), targeted bug fixes (insets, padding, and crashes on older APIs), and improvements to business-critical flows (background sync, encryption UI, and in-app review flows).
May 2025 monthly performance summary focusing on delivering a consistent, edge-to-edge user experience across devices, stabilizing onboarding and review flows, and enhancing maintainability across core modules. The month emphasized cross-repo UI polish (Api35 insets, safe areas, and IME handling), targeted bug fixes (insets, padding, and crashes on older APIs), and improvements to business-critical flows (background sync, encryption UI, and in-app review flows).
April 2025 performance summary for Infomaniak Android and multiplatform SwissTransfer developments focusing on reliability, UX consistency, and maintainability across key apps. Delivered precise error handling improvements, theming consolidation, edge-to-edge UI enhancements, upload reliability improvements, and analytics observability enhancements. These efforts reduced user friction, improved stability and security posture, and strengthened code quality for faster future iterations.
April 2025 performance summary for Infomaniak Android and multiplatform SwissTransfer developments focusing on reliability, UX consistency, and maintainability across key apps. Delivered precise error handling improvements, theming consolidation, edge-to-edge UI enhancements, upload reliability improvements, and analytics observability enhancements. These efforts reduced user friction, improved stability and security posture, and strengthened code quality for faster future iterations.
Month: 2025-03 Overview: Delivered targeted improvements across Infomaniak Android projects and SwissTransfer modules, focusing on data-fetch efficiency, UI polish, stability, and analytics instrumentation. These changes reduced unnecessary API calls, improved user experience with initials avatars and theming, strengthened token and error handling, and enabled deeper business insights through standardized analytics.
Month: 2025-03 Overview: Delivered targeted improvements across Infomaniak Android projects and SwissTransfer modules, focusing on data-fetch efficiency, UI polish, stability, and analytics instrumentation. These changes reduced unnecessary API calls, improved user experience with initials avatars and theming, strengthened token and error handling, and enabled deeper business insights through standardized analytics.
February 2025 performance summary for the Infomaniak Android MyKSuite portfolio. The month focused on delivering business-value features around quota/upgrade experiences, improving offline data availability, and stabilizing the dashboard/UI experience across kDrive, core, and kMail modules. Key architectural improvements include refactoring UI with TopAppBar/Scaffold, introducing a dedicated ViewModel for MyKSuite flows, and tightening data paths with Room-based models. Several upgrade and extension flows were modernized (upsale, upgrade bottomsheet, and dynamic dashboard) to support upsell, reduce friction, and improve maintainability. Localization and quality improvements were completed to support international users and release stability. Proactive crash prevention and robustness work (drive migration, URL handling, module naming for fDroid, and gradient fixes) reduce runtime issues and support smoother deployments.
February 2025 performance summary for the Infomaniak Android MyKSuite portfolio. The month focused on delivering business-value features around quota/upgrade experiences, improving offline data availability, and stabilizing the dashboard/UI experience across kDrive, core, and kMail modules. Key architectural improvements include refactoring UI with TopAppBar/Scaffold, introducing a dedicated ViewModel for MyKSuite flows, and tightening data paths with Room-based models. Several upgrade and extension flows were modernized (upsale, upgrade bottomsheet, and dynamic dashboard) to support upsell, reduce friction, and improve maintainability. Localization and quality improvements were completed to support international users and release stability. Proactive crash prevention and robustness work (drive migration, URL handling, module naming for fDroid, and gradient fixes) reduce runtime issues and support smoother deployments.
January 2025 performance highlights across Infomaniak platforms: security-focused deep linking, robust transfer processing, and cross-repo UI/UX improvements driving reliability, security, and developer efficiency. Delivered a cohesive set of features and fixes across multiplatform SwissTransfer, Android SwissTransfer, core modules, and MyKSuite groundwork, culminating in a formal Alpha8C release and provisioning for Drive quota management.
January 2025 performance highlights across Infomaniak platforms: security-focused deep linking, robust transfer processing, and cross-repo UI/UX improvements driving reliability, security, and developer efficiency. Delivered a cohesive set of features and fixes across multiplatform SwissTransfer, Android SwissTransfer, core modules, and MyKSuite groundwork, culminating in a formal Alpha8C release and provisioning for Drive quota management.
December 2024 performance highlights for Infomaniak SwissTransfer projects. Delivered a mix of user-facing UI enhancements, backend integrity improvements, and wide-ranging code quality refinements across Android and multiplatform components. These changes improved user experience, data integrity, and observability, while accelerating future development and reducing error-prone workflows.
December 2024 performance highlights for Infomaniak SwissTransfer projects. Delivered a mix of user-facing UI enhancements, backend integrity improvements, and wide-ranging code quality refinements across Android and multiplatform components. These changes improved user experience, data integrity, and observability, while accelerating future development and reducing error-prone workflows.
November 2024 monthly summary focusing on key business value and technical achievements across Infomaniak product lines. Delivered user-facing transfer UX improvements, strengthened data integrity and security, and improved reliability and maintainability through refactors and observability enhancements. Highlights include dynamic UI for transfer types, robust password alert dialogs with validation and state retention, AppIntegrity API integration, and targeted architecture refinements across multiplatform and core modules. These changes reduce user friction, improve transfer security and data consistency, and set the stage for faster delivery of features.
November 2024 monthly summary focusing on key business value and technical achievements across Infomaniak product lines. Delivered user-facing transfer UX improvements, strengthened data integrity and security, and improved reliability and maintainability through refactors and observability enhancements. Highlights include dynamic UI for transfer types, robust password alert dialogs with validation and state retention, AppIntegrity API integration, and targeted architecture refinements across multiplatform and core modules. These changes reduce user friction, improve transfer security and data consistency, and set the stage for faster delivery of features.
Month: 2024-10. Delivered a major enhancement to the Swiss Transfer experience in Infomaniak/android-SwissTransfer. Implemented Advanced Transfer Options UI with bottom sheets, dedicated state management for option handling, and deep integration with ImportFilesScreen and Settings. Propagated default option values from app settings and extended the Import UI with new fields for a more coherent transfer flow. These changes reduce user effort, improve UX, and establish a scalable foundation for future options.
Month: 2024-10. Delivered a major enhancement to the Swiss Transfer experience in Infomaniak/android-SwissTransfer. Implemented Advanced Transfer Options UI with bottom sheets, dedicated state management for option handling, and deep integration with ImportFilesScreen and Settings. Propagated default option values from app settings and extended the Import UI with new fields for a more coherent transfer flow. These changes reduce user effort, improve UX, and establish a scalable foundation for future options.
Overview of all repositories you've contributed to across your timeline