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sahar-fehri

PROFILE

Sahar-fehri

Sahar Fehri developed and maintained cross-network asset management features for MetaMask, focusing on both the metamask-extension and metamask-mobile repositories. She engineered robust NFT and token controllers, implemented multi-chain balance aggregation, and improved UI responsiveness for asset and NFT displays. Her work included refactoring controllers for modularity, optimizing token list rendering, and enhancing migration reliability, all while ensuring accurate state management across networks. Using TypeScript, React, and Node.js, Sahar addressed complex issues such as race conditions, data consistency, and network-aware behavior. Her contributions demonstrated depth in full stack development, resulting in a more reliable and scalable user experience.

Overall Statistics

Feature vs Bugs

52%Features

Repository Contributions

141Total
Bugs
41
Commits
141
Features
44
Lines of code
34,964
Activity Months11

Work History

October 2025

4 Commits

Oct 1, 2025

October 2025 monthly summary focusing on UX improvements and reliability across MetaMask extensions and mobile. Delivered key features to respect user preferences, cleaned up token management, and ensured accurate fiat display on test networks. Implemented refactors to token existence checks, added tests for mobile network symbol handling, and improved overall data integrity and network-aware behavior.

September 2025

1 Commits • 1 Features

Sep 1, 2025

Month 2025-09 focused on delivering streamlined NFT data handling and increasing maintainability of the NFT UI surface in MetaMask/core. Work included refactoring and cleanup of NFT-related controllers, along with targeted patch fixes to ensure correctness and compatibility with updated data flows.

June 2025

9 Commits • 6 Features

Jun 1, 2025

June 2025 monthly summary highlighting delivery of reliability enhancements, modularity improvements, and branding consistency across MetaMask extensions and mobile builds. Focused on business value through robust migrations, explicit network scoping for NFT operations, and aligned dependencies to support scalable network management.

May 2025

27 Commits • 10 Features

May 1, 2025

May 2025 performance summary: Delivered key features and stability improvements across metamask-mobile, metamask-extension, and core. Highlights include: Token List Rendering Performance Improvement on mobile via factory-based selectors to fix memoization; Main balance display re-render stability fix by using useState in useStableReference; Cross-network asset navigation reliability improvements; NFT UI loading indicators improvement (PulseLoader) in NFT tab/grid; Dependency upgrades across core/mobile/extension to solana-wallet-snap 1.27.0 and assets-controller 62.0.0 for stability and API compatibility. These changes deliver faster token lists, safer balance displays, smoother multi-network experiences, and groundwork for ongoing multi-chain support. Additional improvements include token data cleanup on account removal and watchAsset across networks to reduce stale data and ensure tokens are added consistently across networks.

April 2025

27 Commits • 9 Features

Apr 1, 2025

April 2025 performance highlights: Cross-network NFT capabilities and architecture improvements were delivered across MetaMask Extension, Mobile, and Core, driving reliability, data robustness, and network coverage for NFT usage. Key features include robust NFT send flow and metadata handling, modular NFT controller architecture with account-switch detection, and targeted UX polish. Dependencies were updated to keep the stack current, enabling smoother maintenance and faster delivery of future NFT features.

March 2025

15 Commits • 3 Features

Mar 1, 2025

March 2025: Focused on delivering cross-network asset visibility, resilient DApp interactions, and scalable NFT capabilities across Mobile, Extension, and Core components. Highlights include multi-network balance aggregation, NFT cross-network display, improved network stability, and reinforced release hygiene. These changes drive better user decision making, safer cross-chain interactions, and scalable NFT support across ecosystems.

February 2025

13 Commits • 3 Features

Feb 1, 2025

February 2025 performance summary across MetaMask mobile, extension, and core focused on stabilizing user experience in cross-chain asset management, improving balance accuracy across networks, and delivering foundational components for multi-chain support. The work enabled more reliable multi-network asset visibility, smoother UI interactions, and metadata handling for diverse asset types, aligning with business goals of user trust and platform extensibility.

January 2025

17 Commits • 4 Features

Jan 1, 2025

Month: 2025-01 Key features delivered: - Mantle price fetch fix: Correctly map the MNT symbol and use in multi-exchange rate fetch to ensure accurate pricing across Mantle chain. - NFT metadata update throttle: Added threshold to limit NFT metadata RPC calls; updates trigger only when essential details or preferences change. - Dependency upgrades: Upgraded core/controller packages to latest stable versions (snaps-utils v8.9.0, snaps-sdk v6.16.0, @metamask/utils v11.1.0) to improve stability and compatibility. Major bugs fixed: - Mantle network price display bug fix: Patch price fetch logic and add getKeyByValue for correct symbol mapping to fix fiat balance display. - CI test stability: Removed case-sensitivity assertion for token name differences to unblock pipelines. - Metamask-mobile UI consistency: Range of token list, network, and balance display fixes to ensure accurate, consistent UX across networks. Overall impact and accomplishments: - Enhanced pricing accuracy and reliability across Mantle and multi-network scenarios, improved asset onboarding UX with automatic token import, and reduced CI blockers through stability-focused upgrades and fixes. Strengthened cross-repo collaboration and UI consistency across core, extension, and mobile. Technologies/skills demonstrated: - Symbol mapping utilities, threshold-based event triggering, automated asset onboarding, dependency management, cross-network UI debugging, and CI stability practices.

December 2024

10 Commits • 2 Features

Dec 1, 2024

December 2024 performance summary: Delivered stability and cross-network UX improvements for MetaMask desktop and mobile, driving reliability, data accuracy, and a smoother multi-network experience. Key deliverables include cross-network balance aggregation in mobile, robust multi-network token filtering and UI responsiveness, and critical crash fixes across extension and mobile features. The work enhances user trust, reduces support overhead, and expands international readiness through translations. Technologies demonstrated include TypeScript/React/React Native, multi-network architecture, centralized state initialization for NFTs, provider configuration management, and regression-focused fixes.

November 2024

14 Commits • 4 Features

Nov 1, 2024

Concise monthly summary for November 2024 focusing on business value and technical achievements across MetaMask Mobile and Extension. Delivered major feature upgrades, improved reliability and cross-network visibility, and enhanced onboarding and testing coverage. Demonstrated breadth of React/TypeScript expertise, network-aware design, and performance-focused fixes with measurable impact on user experience and stability.

October 2024

4 Commits • 2 Features

Oct 1, 2024

During 2024-10, delivered two key architectural and UX improvements across MetaMask extensions and mobile, while addressing critical dev and user-facing issues to accelerate delivery and reliability. Key features include migrating token detection to a new cache and upgrading image loading with asynchronous IPFS handling. Major bugs fixed include dev workflow unblock by silencing yarn audit warnings and ensuring token balances are fetched after wallet unlock. These changes reduce risk, improve reliability, and accelerate user-visible accuracy.

Activity

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Quality Metrics

Correctness91.4%
Maintainability87.8%
Architecture86.8%
Performance84.8%
AI Usage25.0%

Skills & Technologies

Programming Languages

CSSHTMLJSONJavaJavaScriptJestKotlinMarkdownObjective-CReact

Technical Skills

API DevelopmentAPI IntegrationAPI MockingAsset ManagementAsynchronous ProgrammingBackend DevelopmentBackend developmentBrowser testingChangelog ManagementCode MaintenanceCode MigrationCode RefactoringCode ReversionComponent LibraryComponent Refactoring

Repositories Contributed To

3 repos

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

MetaMask/metamask-extension

Oct 2024 Oct 2025
10 Months active

Languages Used

YAMLJSONJavaScriptTypeScriptCSSHTMLtsxJest

Technical Skills

ConfigurationDependency ManagementCross-chain DevelopmentE2E TestingEVMEnd-to-End Testing

MetaMask/metamask-mobile

Oct 2024 Oct 2025
10 Months active

Languages Used

JavaScriptTypeScripttsxCSSHTMLJavaKotlinObjective-C

Technical Skills

Asynchronous ProgrammingComponent RefactoringFull Stack DevelopmentJavaScriptMobile DevelopmentNode.js

MetaMask/core

Oct 2024 Sep 2025
8 Months active

Languages Used

JavaScriptTypeScriptMarkdown

Technical Skills

Full Stack DevelopmentJavaScriptNode.jsRefactoringTestingTypeScript

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