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Charly Chevalier

PROFILE

Charly Chevalier

Worked on MetaMask/metamask-mobile, delivering features and stability improvements for multi-chain account management, onboarding, and Snap integration. Focused on backend and frontend development using JavaScript, TypeScript, and React, the work included integrating the money-account-controller, optimizing account discovery, and enhancing performance tracing for account operations. Refactored key caching and improved reliability in wallet reset and Snap flows, addressing concurrency and synchronization issues. Implemented feature flags, Redux selectors, and comprehensive test coverage to support rollout and maintainability. The approach emphasized dependency management, observability, and user experience, resulting in more robust onboarding, streamlined account workflows, and reduced edge-case failures across wallet features.

Overall Statistics

Feature vs Bugs

72%Features

Repository Contributions

30Total
Bugs
5
Commits
30
Features
13
Lines of code
6,072
Activity Months8

Work History

April 2026

1 Commits • 1 Features

Apr 1, 2026

2026-04 — MetaMask Mobile delivered Money Account Management Integration by incorporating the money-account-controller into the app with enhanced logging and feature-flag controlled rollout. This work establishes managed money accounts, improves observability, and lays the foundation for secure key management workflows and future money-account features. No critical bugs were reported this month; the focus was on feature delivery, instrumentation, and rollout readiness. Technologies used include React Native, Redux selectors, feature flags, and TypeScript.

February 2026

1 Commits • 1 Features

Feb 1, 2026

February 2026 — MetaMask Mobile: Delivered a major integration upgrade by adopting and upgrading to the latest Multichain Account Service. This enabled performance improvements in wallet creation and SRP import/backup flows, contributing to faster onboarding and more robust multi-chain account management. The work included migration of SRP import and vault creation/restore paths to service-based account creation, along with a rollback mechanism, and aligned dependency updates and test coverage with the new service.

January 2026

1 Commits

Jan 1, 2026

Month: 2026-01 — Key Caching Reliability Improvement in metamask-mobile (MetaMask/metamask-mobile). Refactored key caching to remove the controller-level scrypt key caching layer and use the native implementation directly, simplifying caching and reducing error logs related to keychain availability. The change improves reliability of key management, reduces user-facing issues in startup/auth flows, and lowers support overhead.

November 2025

8 Commits • 4 Features

Nov 1, 2025

Month 2025-11 performance snapshot focusing on reliability, discovery, and UX improvements for MetaMask Mobile's Snap and wallet flows. Key features delivered: - Snap account reliability and synchronization: enforced safe concurrency for createAccount, automatic resync on login, and race-condition avoidance. (Commits: fix: prevent concurrency for `createAccount` for Snap account providers cp-7.59.0; fix: add resync mechanism to sync Snap accounts states with client accounts cp-7.60.0; fix: skip Snap account name cp-7.60.0) - All HD wallet discovery on unlock: applied account discovery and alignment for all HD wallets upon unlock, enabling automatic creation of missing accounts on new providers. (Commit: fix: run discovery and alignment upon unlock for all wallets cp-7.59.0) - Snap integration reliability enhancements: async initialization and error reporting for multichain accounts and idempotent accountCreated events for Bitcoin Snap. (Commits: chore: bump multichain accounts deps cp-7.59.0; chore: bump `eth-snap-keyring` (to enable `:accountCreated` idempotency) cp-7.60.0) Major bugs fixed: - Recipient icons fallback and consistency: ensure recipient icons reuse account group icons with a fallback to recipient address when no icon is available for non-EVM tokens; update tests. (Commit: fix: fix recipient account icons cp-7.60.0) Skip account dialogs for preinstalled multichain Snaps: Bypass unnecessary account dialogs to streamline UX. (Commit: fix: do not display Snap account dialogs for multichain wallet Snaps cp-7.60.0) Overall impact and accomplishments: - Significantly improved reliability and performance of Snap-based accounts across providers, reducing race conditions and synchronization gaps. - Improved user onboarding and provider expansion through automatic wallet discovery on unlock and async initialization. - Enhanced UX with fewer disruptive dialogs and consistent recipient icon behavior, boosting user trust and engagement. - Strengthened code quality via idempotent events and updated tests, reducing edge-case failures. Technologies/skills demonstrated: - Concurrency control and safe synchronization patterns - Async initialization, error reporting, and idempotency - Wallet discovery and provider onboarding automation - Test coverage improvements and UI/UX optimization Business value: - Higher reliability for Snap-backed accounts, faster onboarding for new providers, and a smoother user experience with consistent visuals and reduced friction.

October 2025

5 Commits • 3 Features

Oct 1, 2025

2025-10: Delivered key features for onboarding UX, account management, and Snap integration, plus stability fixes to improve reliability and cross-app interoperability. The changes preserve familiar account names during the BIP-44 upgrade, display onboarding status via wallet.status, enable dynamic balance/asset updates when forwarding selected accounts to the Snap keyring, and harden Snap integration with non-EVM naming and event forwarding improvements. These updates reduce onboarding friction, enhance user trust, and enable more responsive account handling with improved performance across wallets.

September 2025

6 Commits • 1 Features

Sep 1, 2025

2025-09 Monthly Summary — Focused on delivering Multichain-driven onboarding improvements and stabilizing account management in metamask-mobile. Key work targeted automatic account group creation during onboarding and SRP import, and substantial stability fixes to ensure consistent multi-chain account behavior across updates. These efforts reduce onboarding friction, prevent duplicate or lost account groups, and improve state accuracy when swapping between account groups. Demonstrated proficiency in dependency management, cross-component coordination, and state selectors, delivering measurable business value: smoother onboarding, fewer edge-case failures, and more reliable multi-chain workflows.

June 2025

3 Commits • 2 Features

Jun 1, 2025

June 2025 performance review: Focused on expanding cross-chain capabilities and tightening performance/observability for account operations. Implemented multi-chain Keyring support to enable KeyringRequest.origin and accurate transaction display across assets and types. Improved account creation/import latency and rendering efficiency in EvmAccountSelectorList, with enhanced tracing to surface performance bottlenecks and reduce UI latency for end users.

May 2025

5 Commits • 1 Features

May 1, 2025

May 2025 monthly summary for MetaMask/metamask-mobile focused on delivering performance-oriented account management improvements, stabilizing wallet reset flows, and enhancing overall reliability and traceability.

Activity

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Quality Metrics

Correctness91.6%
Maintainability82.8%
Architecture82.8%
Performance81.6%
AI Usage30.0%

Skills & Technologies

Programming Languages

JavaScriptTypeScript

Technical Skills

API IntegrationAsynchronous OperationsBackend DevelopmentBug FixingController RefactoringDebuggingDependency ManagementE2E TestingFront End DevelopmentFrontend DevelopmentFull Stack DevelopmentJavaScriptNodeNode.jsPerformance Monitoring

Repositories Contributed To

1 repo

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

MetaMask/metamask-mobile

May 2025 Apr 2026
8 Months active

Languages Used

JavaScriptTypeScript

Technical Skills

Asynchronous OperationsBackend DevelopmentBug FixingController RefactoringDebuggingDependency Management