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Raphael

PROFILE

Raphael

Raphaël Da Fonseca contributed to LedgerHQ/ledger-live by delivering 53 features and resolving 21 bugs over five months, focusing on cross-platform portfolio management, onboarding flows, and UI consistency. He engineered robust Redux-based theming, enhanced asset list displays, and unified time formatting to improve user experience across mobile and desktop. Using TypeScript, React Native, and Redux, Raphaël centralized sync lifecycle logic, expanded automated test coverage, and introduced workflow automation for code review and testing. His work addressed onboarding for non-signer users, streamlined navigation, and improved error handling, demonstrating depth in full stack development, state management, and continuous integration practices.

Overall Statistics

Feature vs Bugs

72%Features

Repository Contributions

120Total
Bugs
21
Commits
120
Features
53
Lines of code
23,697
Activity Months5

Work History

March 2026

30 Commits • 22 Features

Mar 1, 2026

2026-03 Ledger Live – Monthly highlights for LedgerHQ/ledger-live. Focused on stability, cross‑platform consistency, and enriched asset management. Key improvements span desktop, mobile, and asset portfolio workflows, with centralization of sync lifecycle logic to live-common and expanded test coverage. Highlights include a more robust portfolio balance loading/refresh, unified time-ago formatting, asset-list improvements, and mobile UX refinements for balance refresh and offline handling. Major bugs fixed improved reliability and user experience, including pull-to-refresh flicker, spam-asset crashes, and hook-order crashes.

February 2026

4 Commits • 3 Features

Feb 1, 2026

February 2026 performance summary for LedgerHQ/ledger-live. Key features delivered include Portfolio Quick Actions and Onboarding Banner for Non-Signer Users, Ledger Live Mobile UI refinements with a new MainTabBar navigation, and Development Workflow Improvements for code review and test runner infrastructure. Major bugs fixed are reflected in UI corrections and navigation stability enhancements for the mobile app, as well as improved visibility of onboarding/setup banners in no-fund states. Business impact includes increased potential onboarding conversions for non-signer users, a smoother mobile UX with more reliable navigation, and faster, higher-quality releases due to streamlined testing and review processes. Technologies and skills demonstrated encompass React-based UI refactoring, componentization for state-variant displays, creation of a modern MainTabBar, and upgraded CI/test tooling for code reviews and test execution.

January 2026

25 Commits • 15 Features

Jan 1, 2026

January 2026 – Ledger Live performance highlights across LedgerHQ/ledger-live. Focused on delivering stabilizing platform features, improving user experience, and elevating code quality through automation and robust design-system changes. Key work spanned theming, UI components, market features, portfolio enhancements, and Wallet40 background integration, while addressing core stability issues. Key features delivered: - Theme: moved theming to Redux store with aligned types and local start value; mitigated typecheck issues and prevented infinite rerenders. - Mood: created moodIndicator component using lumen components for consistent mood UI. - Market/UI: added market banner on the home page; implemented return/navigation logic on MarketList under a feature flag; introduced an error banner on the market banner. - Portfolio: graph visibility toggle, refactor to smaller components, added PortfolioBalanceSection, and mobile discreet mode toggle. - Wallet: integrated Wallet40 new background and related background support. Major bugs fixed: - Chore: fix changeset typo and prevent double close. - Search: fix debounce on mobile. - Theme: prevent infinite rerender in some cases. - Review: updates as requested in the review. Overall impact and accomplishments: - Improved UI stability and consistency across the theming and market features. - Enhanced user experience with new mood UI, market banners, and portfolio enhancements. - Reduced risk of regressions via tighter type safety and Redux-based theming. - Strengthened release quality with automated quality improvements via code reviewer/test runner groundwork. Technologies/skills demonstrated: - Redux for theme state management; TypeScript type safety improvements. - Lumen components usage for UI consistency. - Feature flags for controlled UI rollout. - UI/UX design with market and portfolio enhancements. - Background integration patterns and collaboration tooling for code quality.

December 2025

42 Commits • 7 Features

Dec 1, 2025

December 2025 monthly performance — Ledger Live (LedgerHQ/ledger-live). Focused on UI consistency, testing, and build reliability across the codebase. Delivered user-facing UI improvements, expanded error handling and MAD test coverage, and strengthened type checks, linting, and code quality to reduce post-release risk and accelerate future development.

November 2025

19 Commits • 6 Features

Nov 1, 2025

November 2025 – Ledger Live delivered key UX and localization improvements across LedgerHQ/ledger-live. Highlights include Thai locale date formatting aligned to the Gregorian calendar, a Market Detail coin title tooltip for quick context, an improved onboarding flow after hard reset that preserves reset state, HtmlTextRenderer for rendering HTML links in notifications, and NoFunds flow improvements to handle missing accounts and streamline token account creation. These changes were supported by unit tests, lint updates, and changeset work. Business impact: improved localization consistency, smoother onboarding, safer fund operations, and more actionable notifications, reducing user friction and support load. Technical impact: introduced new UI components, robust tests, and CI-friendly changes; demonstrated expertise in frontend React Native, testing, and code quality discipline.

Activity

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Quality Metrics

Correctness93.0%
Maintainability87.0%
Architecture87.8%
Performance86.8%
AI Usage28.6%

Skills & Technologies

Programming Languages

BashJSONJavaScriptMarkdownTypeScriptYAML

Technical Skills

Android DevelopmentCI/CDDevOpsDocumentationESLintError HandlingFront End DevelopmentFull Stack DevelopmentGitJavaScriptJestMSWMobile DevelopmentReactReact Native

Repositories Contributed To

1 repo

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

LedgerHQ/ledger-live

Nov 2025 Mar 2026
5 Months active

Languages Used

JavaScriptMarkdownTypeScriptYAMLJSONBash

Technical Skills

Front End DevelopmentJavaScriptReactReact NativeTestingTypeScript