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leofelix077

PROFILE

Leofelix077

Leonardo Alf worked on the stellar/freighter-mobile repository, delivering nineteen features and five bug fixes over three months. He focused on enhancing transaction reliability, privacy controls, and user experience by implementing adaptive UI components and robust error handling. Using TypeScript, React Native, and JavaScript, Leonardo integrated biometric authentication, secure clipboard management, and QR code scanning to strengthen security and streamline onboarding. He unified transaction and swap settings, improved localization, and optimized data fetching and polling for performance. His approach emphasized maintainable component architecture, state management with Zustand, and rigorous testing, resulting in a more secure, responsive, and user-friendly mobile application.

Overall Statistics

Feature vs Bugs

79%Features

Repository Contributions

37Total
Bugs
5
Commits
37
Features
19
Lines of code
22,993
Activity Months3

Work History

October 2025

18 Commits • 8 Features

Oct 1, 2025

October 2025 summary: Delivered UI responsiveness and visual polish across devices with BottomSheet refactor and inAppBrowser integration; unified Transaction & Swap Settings UX for consolidated configuration and clearer fee visibility; security enhancements to prevent sensitive data exposure in navigation and to store sensitive data in memory securely; reliability and performance improvements including mandatory app update flow, exponential backoff for Horizon 504 errors, and Blockaid balance polling optimization; localization and build-stability improvements with improved formatting and exact dependency versions.

September 2025

10 Commits • 7 Features

Sep 1, 2025

Delivered a set of security-hardening, UX improvements, and new revenue/flow capabilities in stellar/freighter-mobile for Sep 2025. Key business deliveries include Coinbase on-ramp with in-app funds, a generic QR scanning component, biometric authentication across critical flows, secure ephemeral clipboard, and recovery phrase masking, all under a controlled rollout using Freighter remote config with analytics events for usage and adoption.

August 2025

9 Commits • 4 Features

Aug 1, 2025

August 2025 (stellar/freighter-mobile) delivered privacy controls, transaction reliability improvements, and UX refinements that reduce user friction and strengthen data integrity. Highlights include a user-toggle to hide dust payments in transaction history with optimized data fetching retriggering on screen focus, robust memo validation and enhanced transaction settings UI via new bottom sheets, and adaptive bottom sheet scrolling for consistent UX across screens. Welcome banner behavior was refined to respect funded accounts and multi-account sessions. Memo-accounts cache reliability was improved to prevent stale data. These changes collectively improve business value by enhancing user trust, reducing error-prone flows in high-value transactions, and accelerating developer velocity through clearer error messaging and linting improvements.

Activity

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Quality Metrics

Correctness90.6%
Maintainability87.6%
Architecture85.0%
Performance80.2%
AI Usage32.0%

Skills & Technologies

Programming Languages

CSSJavaJavaScriptKotlinObjective-CSVGSwiftTypeScriptXMLYAML

Technical Skills

API IntegrationAnalyticsAndroid DevelopmentApp UpdatesAsyncStorageAuthenticationBackend DevelopmentBiometric AuthenticationCachingCode QualityComponent ArchitectureComponent DesignComponent DevelopmentComponent RefactoringCustom Hooks

Repositories Contributed To

1 repo

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

stellar/freighter-mobile

Aug 2025 Oct 2025
3 Months active

Languages Used

CSSJavaScriptTypeScripttsxJavaKotlinObjective-CSVG

Technical Skills

API IntegrationAsyncStorageCachingCode QualityComponent DevelopmentData Storage

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