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Vincent Velociter

PROFILE

Vincent Velociter

Vincent Velociter developed and maintained the lichess-org/mobile repository, delivering over 390 features and 200 bug fixes in just over a year. He focused on cross-platform mobile engineering, enhancing user experience, stability, and accessibility through iterative UI/UX improvements, robust localization, and real-time features. Using Dart and Flutter, Vincent implemented engine integrations, optimized asynchronous flows, and managed complex state with Riverpod. He upgraded dependencies, automated localization, and strengthened security with HTTPS enforcement. His work included backend API integration, test coverage expansion, and codebase refactoring, resulting in a maintainable, performant mobile client that supports rapid feature delivery and reliable global deployments.

Overall Statistics

Feature vs Bugs

66%Features

Repository Contributions

1,146Total
Bugs
206
Commits
1,146
Features
396
Lines of code
1,005,835
Activity Months13

Work History

October 2025

21 Commits • 8 Features

Oct 1, 2025

Delivered a targeted set of platform improvements for lichess-org/mobile in Oct 2025, focusing on stability, localization, UX, and release readiness. The work emphasizes business value through cleaner builds, expanded localization, better user experience, and reliable deployments.

September 2025

5 Commits • 3 Features

Sep 1, 2025

Month: 2025-09 – Focused on stability, security, and UX enhancements across mobile and Lila. Delivered strategic features and prepared data APIs to support frontend improvements while keeping the baseline secure and up-to-date. Key features delivered: - lichess-org/mobile: Core library dependency upgrades across Firebase/FlutterFire and platform plugins to the latest versions, enabling security patches, bug fixes, and improved compatibility. This includes updates to Firebase Core, Messaging, Crashlytics, flutterfire_internals, built_value, code_builder, connectivity_plus, wakelock_plus, and related platform plugins to ensure stability and access to newer features. Commits: 19de4be915e26c7522add4ddbc8247510f081339; 7b6aeb4494d4409eb6140c8a1344814d9d2003db; 98a5c4234d5a269cddffb7495056426ff091d06a - lichess-org/lila: Leaderboard Patron Color Enhancement – Expose the new patronColor field in the leaderboard JSON output to enable richer patron display in the UI. Commit: 7ae11b4273fc3a4da8ad55f83f89a81603d9e4ad - lichess-org/lila: Blog Carousel API Endpoint and Preview View – Add a new API endpoint to fetch and format recent blog post previews for a blog carousel, including a JSON view, kid-content filtering, and post-limiting; integrates with environment setup. Commit: 2f746fedaedeeb878989ff7b19b75f448f28d785 Major bugs fixed: - No explicit major bug-fix commits identified this month. Primary work comprised dependency upgrades and API/contract enhancements that improve stability and data quality. Stability gains observed from updated pods and platform libraries; no separate bug-fix releases were logged. Overall impact and accomplishments: - Strengthened security posture and stability across mobile and server components through up-to-date dependencies. - Enabled richer user experience with patron coloring in leaderboards and a ready-to-consume blog carousel API. - Improved frontend-backend data contracts and environment integration to support faster feature delivery. Technologies/skills demonstrated: - Flutter/Dart, Firebase/FirebaseFire, FlutterFire plugins, CocoaPods/pod updates - REST API design, JSON data shaping, and API endpoint exposure - Environment/config management and feature integration for frontend use

August 2025

54 Commits • 30 Features

Aug 1, 2025

Summary for 2025-08: Delivered security, messaging, localization, and platform readiness improvements across lichess-org/mobile and lichess-org/lila. Key items include Inbox Unread API, enforcement of HTTPS, translations and Luxembourgish localization, platform compatibility updates for Flutter/Dart, and targeted stability/UX fixes that improve reliability and user engagement. The initiatives support faster feature delivery, broader reach, and release readiness for the mobile ecosystem while maintaining code health through lint/deprecation cleanups and dependency upgrades.

July 2025

30 Commits • 9 Features

Jul 1, 2025

2025-07 monthly summary: Focused on stability, localization, release readiness, and UX improvements across mobile and Lila. Delivered dependency hygiene, localization expansions, architecture refactor, UI polish, and reliability fixes that drive business value and improve user experience. Prepared for release with version bumps and better messaging and game-flow robustness.

June 2025

77 Commits • 30 Features

Jun 1, 2025

June 2025 was focused on delivering UX/UI refinements, strengthening localization automation, and stabilizing the mobile client. Key features shipped include Rematch Button UI Improvements, Welcome Screen Greeting, Extended Floating Action Button, and broad UI/UX/navigation improvements, complemented by localization and CI/CD enhancements. Major bugs fixed across clock display, tournament countdown, and UI consistency, improving reliability and user experience, enabling smoother gameplay and onboarding. The month also advanced release readiness with version bumps, dependency upgrades, and platform-appropriate polish.

May 2025

132 Commits • 45 Features

May 1, 2025

May 2025 performance summary focusing on delivering user-value features, stabilizing critical flows, and advancing core engine integrations across lichess-mobile and platform parity with lichess-lila. Key outcomes include reliability improvements for tournament experiences, UI/UX polish across the app, and foundational AI/engine enhancements that enable better play experiences, onboarding, and performance.

April 2025

188 Commits • 62 Features

Apr 1, 2025

April 2025 monthly summary for lichess-org/mobile. Focused on stabilizing live broadcasts, strengthening UI/UX, expanding test coverage, and upgrading engine/dependency stack. Delivered broadcast stability and decoding fixes, improved broadcast round flow, and hardening against unmounted component state. Upgraded dependencies (DartChess, Stockfish NNUE embedding) and engine performance, with a safe, testable implementation. Enhanced accessibility and theming, tuned fonts and UI polish, and removed legacy UI widgets for maintainability. Strengthened observability and reliability with Crashlytics logging for socket gaps and more robust socket reconnection logic. These changes delivered higher reliability for live games, faster iteration cycles, and improved user experience while enabling easier maintenance.

March 2025

100 Commits • 25 Features

Mar 1, 2025

March 2025 monthly summary for lichess-org/mobile focusing on business value and technical achievements. Highlights include stabilization of engine evaluation flow and offline behavior, depth UI improvements, expanded engine test coverage (including cloud eval), UI/UX robustness enhancements, and offline watch support. The month also featured ongoing maintenance (dependencies, lint) and initialization improvements to reduce latency and improve debugging.

February 2025

191 Commits • 61 Features

Feb 1, 2025

February 2025 monthly summary for lichess-org/mobile highlighting key features delivered, notable bug fixes, and overall impact. Focused on improving usability, consistency, and performance, while advancing a unified theming and UI polish across the mobile app. Highlights include offline study support, UI/UX refinements, and strategic dependency/build improvements that enhance stability and developer velocity.

January 2025

100 Commits • 33 Features

Jan 1, 2025

January 2025 monthly summary for lichess-org/mobile: A focused release cycle delivering stability, performance improvements, and maintainability across the mobile app while enhancing user experience and cross‑platform consistency. Key work concentrated on dependency stabilization, UI/UX polish, and reliability refinements that reduce risk in production and speed up future releases.

December 2024

134 Commits • 44 Features

Dec 1, 2024

2024-12 Monthly Summary for lichess-org/mobile: Consolidated delivery across UI, performance, and reliability. Focused on delivering business value through improved UX, faster load times, and stable cross-platform behavior, while upgrading foundations to support faster releases.

November 2024

106 Commits • 42 Features

Nov 1, 2024

November 2024 performance summary for lichess mobile and Lila work streams. Focus areas included internationalization, UI polish, clock system robustness, testing coverage, and release engineering. The following highlights reflect business value delivered and technical achievements across mobile and platform components.

October 2024

8 Commits • 4 Features

Oct 1, 2024

2024-10 mobile team summary for lichess-org/mobile focused on stability, UX polish, and performance improvements across iOS and Android. The month delivered a set of user-facing enhancements and maintenance work that collectively improve navigation, visual clarity, configurability, and device performance. Business value was achieved through smoother user flows, more flexible analysis options, and cleaner project configuration to support faster iteration.

Activity

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Quality Metrics

Correctness90.2%
Maintainability90.4%
Architecture86.8%
Performance86.8%
AI Usage21.0%

Skills & Technologies

Programming Languages

C++DartFlutterGradleJSONJavaJavaScriptKotlinMarkdownObjective-C

Technical Skills

API DevelopmentAPI IntegrationAccessibilityAccessibility TestingAlgorithm OptimizationAndroid DevelopmentAndroid ThemingAnimationAsset ManagementAsynchronous ProgrammingBackend DevelopmentBackend IntegrationBug FixingBuild AutomationBuild Configuration

Repositories Contributed To

2 repos

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

lichess-org/mobile

Oct 2024 Oct 2025
13 Months active

Languages Used

DartTypeScriptYAMLC++FlutterJavaJavaScriptRuby

Technical Skills

Dependency ManagementFlutterFlutter DevelopmentIconographyMobile DevelopmentState Management (Riverpod)

lichess-org/lila

Nov 2024 Sep 2025
5 Months active

Languages Used

ScalaJavaScript

Technical Skills

Backend DevelopmentAPI DevelopmentJSON ManipulationAPI IntegrationMobile Push NotificationsScala

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