MetaMask/metamask-extension
Nov 2025 – Feb 2026
4 Months active
Languages Used
JavaScriptTypeScriptJSON
Technical Skills
JavaScriptReactReduxUI/UX designfront end developmentfull stack development
Fred
PROFILE
Fred
Frederic Heng contributed to MetaMask’s contract-metadata, metamask-extension, and metamask-mobile repositories by delivering cross-platform wallet features and UX improvements. He upgraded the Bitcoin Wallet Snap across both extension and mobile, aligning versions and removing deprecated APIs to enhance compatibility and reduce technical debt. Frederic implemented gas-fee sponsorship indicators and standardized multilingual tooltips, clarifying transaction costs for users. His work involved JavaScript, TypeScript, and React, with a focus on dependency management and full stack development. By maintaining cross-repo consistency and release hygiene, Frederic improved onboarding, reliability, and user experience, demonstrating depth in both technical execution and product alignment.
Overall Statistics
Feature vs Bugs
87%Features
Repository Contributions
20Total
Bugs
2
Commits
20
Features
13
Lines of code
2,584
Activity Months5
Your Network
310 people
Work History
February 2026
2 Commits • 2 Features
Feb 1, 2026February 2026: Delivered cross-platform Bitcoin wallet feature improvements by upgrading the Bitcoin Snap to 1.10.0 in both metamask-extension and metamask-mobile. The upgrades enhance Bitcoin wallet flows, balance handling, and transaction event emissions, aligning with upstream changes and improving reliability for end users. No major bugs were recorded this period; focus remained on forward-compatibility, release hygiene, and cross-repo consistency.
2 Commits • 2 Features
Feb 1, 2026February 2026: Delivered cross-platform Bitcoin wallet feature improvements by upgrading the Bitcoin Snap to 1.10.0 in both metamask-extension and metamask-mobile. The upgrades enhance Bitcoin wallet flows, balance handling, and transaction event emissions, aligning with upstream changes and improving reliability for end users. No major bugs were recorded this period; focus remained on forward-compatibility, release hygiene, and cross-repo consistency.
February 2026
January 2026
6 Commits • 3 Features
Jan 1, 2026January 2026 monthly summary focusing on business value and technical achievements across MetaMask Mobile and MetaMask Extension. Key UX work centered on gas-fee tooltips for sponsored transactions, delivering clearer, multilingual messaging and consistent visuals across both apps. Also delivered critical Bitcoin-related reliability improvements via Snap upgrades to 1.9.0 and associated fixes. Overall impact includes improved user understanding of gas costs, reduced ambiguity, and stronger alignment with platform roadmap.
January 2026
6 Commits • 3 Features
Jan 1, 2026January 2026 monthly summary focusing on business value and technical achievements across MetaMask Mobile and MetaMask Extension. Key UX work centered on gas-fee tooltips for sponsored transactions, delivering clearer, multilingual messaging and consistent visuals across both apps. Also delivered critical Bitcoin-related reliability improvements via Snap upgrades to 1.9.0 and associated fixes. Overall impact includes improved user understanding of gas costs, reduced ambiguity, and stronger alignment with platform roadmap.
December 2025
2 Commits • 2 Features
Dec 1, 2025December 2025: Delivered cross-platform Bitcoin Wallet Snap upgrade to v1.8.0 for MetaMask Extension and MetaMask Mobile. Removed deprecated onRpcRequest to enhance compatibility and wallet integration. Achieved cross-repo parity with standardized wallet snap usage, improving onboarding experience and reducing tech debt. Commits show version bumps across repositories, aligning extension and mobile with current wallet snap standards.
2 Commits • 2 Features
Dec 1, 2025December 2025: Delivered cross-platform Bitcoin Wallet Snap upgrade to v1.8.0 for MetaMask Extension and MetaMask Mobile. Removed deprecated onRpcRequest to enhance compatibility and wallet integration. Achieved cross-repo parity with standardized wallet snap usage, improving onboarding experience and reducing tech debt. Commits show version bumps across repositories, aligning extension and mobile with current wallet snap standards.
December 2025
November 2025
9 Commits • 5 Features
Nov 1, 2025November 2025 performance snapshot focused on accelerating gas sponsorship capabilities, enhancing Bitcoin wallet experiences, and stabilizing non-EVM transaction flows across MetaMask products. Delivered cross-repo features that reduce friction for users, improved error messaging and UX, and laid groundwork for sponsor-driven transactions with robust QA and release readiness.
November 2025
9 Commits • 5 Features
Nov 1, 2025November 2025 performance snapshot focused on accelerating gas sponsorship capabilities, enhancing Bitcoin wallet experiences, and stabilizing non-EVM transaction flows across MetaMask products. Delivered cross-repo features that reduce friction for users, improved error messaging and UX, and laid groundwork for sponsor-driven transactions with robust QA and release readiness.
August 2025
1 Commits • 1 Features
Aug 1, 2025August 2025 monthly summary for MetaMask/contract-metadata. Delivered token icon support for OUSDT on the Soneium network by introducing a new binary icon asset in the icons directory to ensure correct display in contract metadata and UI. This work enhances token recognition and UX consistency across networks.
1 Commits • 1 Features
Aug 1, 2025August 2025 monthly summary for MetaMask/contract-metadata. Delivered token icon support for OUSDT on the Soneium network by introducing a new binary icon asset in the icons directory to ensure correct display in contract metadata and UI. This work enhances token recognition and UX consistency across networks.
August 2025
Activity
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Quality Metrics
Correctness96.0%
Maintainability87.0%
Architecture90.0%
Performance87.0%
AI Usage28.0%
Skills & Technologies
Programming Languages
JSONJavaScriptTypeScript
Technical Skills
JavaScriptJavaScript developmentNode.jsReactReduxTypeScriptUI/UX designdependency managementfront end developmentfull stack developmentlocalizationmobile developmentpackage managementtestinguser experience design
Repositories Contributed To
Overview of all repositories you've contributed to across your timeline
MetaMask/metamask-mobile
Nov 2025 – Feb 2026
4 Months active
Languages Used
JavaScriptTypeScriptJSON
Technical Skills
JavaScriptNode.jsReactReduxfront end developmentfull stack development
MetaMask/contract-metadata
Aug 2025 – Aug 2025
1 Month active
Languages Used
No languages
Technical Skills
No skills
MetaMask/core
Nov 2025 – Nov 2025
1 Month active
Languages Used
TypeScript
Technical Skills
TypeScriptfull stack developmenttesting