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Alejandro Garcia Anglada

PROFILE

Alejandro Garcia Anglada

Over 19 months, this developer delivered cross-chain wallet features and stability improvements across MetaMask’s mobile and extension repositories. They engineered Solana, Bitcoin, and Tron integrations, enabling unified account management and real-time data updates using JavaScript, TypeScript, and React. Their work included API development, dependency management, and robust end-to-end testing to ensure secure, reliable asset flows. They enhanced user experience by refining onboarding, implementing feature flags, and optimizing UI/UX for clarity and accessibility. By coordinating multi-repo upgrades and compliance workflows, they improved performance, privacy, and regulatory alignment, demonstrating depth in full stack development, blockchain integration, and collaborative release management.

Overall Statistics

Feature vs Bugs

73%Features

Repository Contributions

132Total
Bugs
21
Commits
132
Features
57
Lines of code
28,787
Activity Months19

Work History

May 2026

1 Commits • 1 Features

May 1, 2026

May 2026 monthly summary for MetaMask Mobile (MetaMask/metamask-mobile). Focused on driving Unified Account mode migration for Perps, fixing withdrawal/balance flows, and improving reliability and business value. Highlights include forced migration on app open, EIP-712 prompt handling for dexAbstraction users, and robust analytics instrumentation; corrected balance folding so withdrawable reflects spendable USD Coin balance. Conducted extensive testing and live validation on dev/mainnet to ensure accuracy and prevent regression.

April 2026

27 Commits • 9 Features

Apr 1, 2026

April 2026 monthly summary: Delivered major business-value features across MetaMask core, mobile, and extension teams, with a strong focus on compliance stability, Perps capability expansion, and UX/routing improvements. The month saw multi-repo migrations and refinements that reduce risk during API outages, improve user flows for gating, and align UX across platforms. Key outcomes include on-demand OFAC/compliance checks with a breaking API migration, Perps controller upgrades, enhanced deep-link routing, production-compliant gating for Perps on mobile, and analytics/UX enhancements that enable better user insight and consistency.

March 2026

10 Commits • 7 Features

Mar 1, 2026

March 2026 monthly summary focused on reliability, privacy, compliance, and performance improvements across MetaMask Mobile, core, and extension, with a strong emphasis on Perps workflows. Key features delivered and core improvements: - Perps WebSocket resilience improvements in MetaMask Mobile: added AppState and NetInfo listeners to detect background/foreground and offline/online transitions, health-checked connections via ping, and forced reconnect when stale to ensure data continuity. - Arbitrum presence check before deposits: ensured Arbitrum network exists before deposit creation in Perps flows to prevent generic transaction failures when Arbitrum is missing. - Privacy mode on Perps screens: introduced privacy mode using SensitiveText across Perps components to hide sensitive values, along with tests validating privacy behavior and color leakage safeguards. - OFAC sanctions screening infrastructure: integrated compliance-controller with a feature-flag to gate init and provide a scalable, testable path for wallet-blocked checks. - Perps Deep Link Navigation for MetaMask Extension: added internal deep links for /perps, /perps/market, and /perps/market-list with prefilled filters; improved navigation reliability and testing coverage. Major outcomes and impact: - Increased reliability and data freshness for Perps trading, with automatic recovery from connectivity events and account/state changes. - Reduced user risk and transaction failures via Arbitrum presence checks and compliance controls. - Privacy safeguards across trading UX, reducing leakage of sensitive financial data while preserving UX; extensive test coverage. - Performance and packaging improvements in core: Perps Controller initial release with bundle-size optimization by excluding the MYX SDK by default and using dynamic imports behind a feature flag, achieving significant payload reductions. - Cross-repo momentum: improved navigation and test coverage for Perps flows in extension, foundational compliance infrastructure in core, and robust Perps account switching in Perps streams. Technologies demonstrated: - React Native lifecycle: AppState, NetInfo integration for resilience. - WebSocket health checks and forced reinitialization patterns. - Remote feature flags and gated initialization. - Compliance architecture with engine/controllers, selectors, and hooks. - Deep-link routing, URL parameter parsing, and runtime validation. - Advanced test patterns including mocks and coverage across unit/integration tests. Business value: - More reliable Perps experiences, reduced error surfaces, and safer deposits; privacy-first presentation of sensitive data; scalable regulatory compliance workflow; and leaner core packages leading to faster builds and better user experiences.

February 2026

3 Commits • 1 Features

Feb 1, 2026

February 2026 (MetaMask/metamask-mobile) - Delivered real-time UX improvements and stability fixes in the trading experience. Key delivery: live price display in the order book header. Major fixes: Perps Activity tab empty state when accessed via See all, and Perps market category filter pills visibility/contrast in light mode. Impact: improved data accuracy, reduced user confusion in trading flows, and enhanced UI accessibility. Skills demonstrated: real-time data integration, bug triage and fixes, React Native UI/UX, and emphasis on business value and reliability.

January 2026

10 Commits • 6 Features

Jan 1, 2026

January 2026 performance summary: Consolidated delivery across metamask-extension and metamask-mobile, focusing on branding clarity, performance, reliability, and automation. Highlights include renaming the Bitcoin block explorer to Mempool with code refactor, performance optimization for cross-chain network configuration selectors with test coverage, Solana Token2022 sending fix via dependency updates, Claude AI workflow integration with Jira and iOS simulator automation, and perps feature flag enhancements with AB test configurations. These changes improve user trust through consistent branding, faster and more reliable UI, smoother Solana transactions, enhanced workflow automation, and safer feature experimentation.

December 2025

4 Commits • 2 Features

Dec 1, 2025

December 2025 performance summary across MetaMask repos focused on delivering user-value features, improving visibility into resource usage, and stabilizing wallet snap UX. Key work spanned registry readiness, UI/resource visibility enhancements, and dependency bumps that restore smooth user confirmations across platforms. Impact highlights include enabling a preinstalled option for the Bitcoin wallet snap via registry metadata, expanding TRX token details with maximum resource values for clearer budgeting, and addressing Solana wallet snap UI confirmation issues through targeted dependency upgrades. These efforts collectively reduce user friction, improve decision-making, and support broader adoption of wallet snapse features.

November 2025

18 Commits • 6 Features

Nov 1, 2025

Month: 2025-11. Concise monthly summary highlighting key features delivered, major bugs fixed, overall impact, and technologies demonstrated. Focused on delivering business value through staking workflow enhancements, safer wallet state, feature flag-driven experimentation, and targeted bug fixes across accounts, mobile, and extension.

October 2025

8 Commits • 4 Features

Oct 1, 2025

Month: 2025-10 – Cross-repo delivery of multi-chain capabilities with Bitcoin, Tron, and Solana updates, combined with gated Devnet exposure and build/config improvements to enable safer, scalable rollouts. The work enhances network coverage, security, and testing readiness, positioning the product for broader user adoption and risk-managed releases.

September 2025

1 Commits • 1 Features

Sep 1, 2025

September 2025 monthly summary focused on expanding cross-chain capabilities within MetaMask/core. Delivered new multi-chain account providers for Bitcoin (BTC) and Tron (TRX), enabling unified management of accounts across these blockchains, including account types and discovery mechanisms. Updated internal documentation (changelog and index) to reflect the addition of these providers. No critical bug fixes were required for this scope; the work primarily enhances cross-chain onboarding and ecosystem reach.

August 2025

5 Commits • 4 Features

Aug 1, 2025

August 2025 performance highlights across MetaMask mobile and extension: - Delivered significant Solana-focused improvements: mobile wallet upgrade to version 2.1.0 with WebSocket-based balance and transaction updates, plus UI/flow enhancements (AccountSelector in Send flow), SNS support, NFT detection, and Sentry RPC error tracking. These changes improve real-time data accuracy and observability for Solana users. - Implemented a remotely controllable feature flag for the Solana onboarding modal to enable/disable rollout, facilitating safer releases and faster issue response. - Added a non-EVM deeplink (CREATE_ACCOUNT) to streamline onboarding for non-EVM chains, directing users to account creation or ramps/swap flow based on account status. - Resolved Android-specific UI issue: font rendering fix for the Solana GTM modal to ensure consistent appearance across devices. - For MetaMask Extension, removed the Solana onboarding modal from the initial flow and performed cleanup of related code, images, and notification configurations to simplify the onboarding experience. Overall impact: enhanced onboarding experience, improved real-time Solana data handling, better error visibility and controllable release risk, and streamlined cross-chain onboarding. Demonstrated capabilities in WebSocket integration, feature flagging, deep linking, Android UI troubleshooting, code cleanup, and cross-repo collaboration.

July 2025

5 Commits • 4 Features

Jul 1, 2025

July 2025 monthly summary highlighting key feature deliveries, major bug fixes, overall impact, and demonstrated technologies/skills across MetaMask mobile and extension. Focused on business value: stability, performance, resource efficiency, and real-time data updates for Solana wallet integrations.

June 2025

5 Commits • 3 Features

Jun 1, 2025

June 2025 monthly summary: Delivered secure, compatible Solana wallet integrations and clearer asset-history visibility across MetaMask mobile and extension, translating engineering work into tangible business value. Mobile and extension wallets were upgraded to latest Solana wallet snap releases to improve compatibility, security, and stability, with yarn.lock synchronized to reflect changes. Implemented a targeted bug fix to asset activity filtering so that the Asset details page shows only transactions involving the selected native token, reducing noise and improving decision-making.

May 2025

17 Commits • 3 Features

May 1, 2025

May 2025 performance summary focusing on delivering Solana-enabled capabilities, stabilizing multi-chain Solana flows, and expanding test coverage across both MetaMask mobile and extension. Focused on delivering business value through broader feature parity, improved UX, and robust release readiness.

April 2025

1 Commits • 1 Features

Apr 1, 2025

April 2025 monthly summary for MetaMask/accounts. Focus was on cross-chain transfer visibility and data modeling to support analytics and risk controls. Delivered the core feature: Bridge Transaction Types for Cross-Chain Transfers (BridgeSend, BridgeReceive, Unknown), enabling precise categorization and management of cross-chain asset transfers. No major bugs fixed this month; primary effort was feature delivery and API alignment. Overall impact includes improved cross-chain transfer analytics, better data hygiene, and a stronger foundation for future cross-chain features. Demonstrated technologies and skills in API design, TypeScript/JS backend work, and cross-repo collaboration with keyring-api.

March 2025

10 Commits • 2 Features

Mar 1, 2025

March 2025 monthly performance summary for MetaMask/metamask-extension. Focused on Solana-specific UX improvements, cross-network display consistency, and explorer integration, while maintaining compatibility with evolving wallet snap versions and related dependencies.

February 2025

1 Commits • 1 Features

Feb 1, 2025

February 2025 – MetaMask/accounts: Delivered Solana Keyring API enhancements with comprehensive method documentation and API surface updates. Implemented and documented signing methods for Solana (signAndSendTransaction, signTransaction, signMessage, signIn) and updated the SolMethod enum and SolDataAccountStruct to reflect these methods. This work, tracked by commit 43f438383b076738f00b4a42a1f376399a36f41a (feat: document supported Solana methods (#191)), improves developer guidance, enables API support, and lays the groundwork for future Solana integrations. Impact: stronger developer onboarding, more robust Solana support, and a clearer, consistent API design. Major bugs fixed: none reported this month.

January 2025

1 Commits

Jan 1, 2025

January 2025: Focused on stability and compatibility for MetaMask extension by upgrading the Solana wallet snap to 1.0.4 (Version-v12.10.0) via a cherry-pick to align with a prior maintenance PR. This targeted maintenance reduces risk of drift, ensures users interact with the latest stable Solana wallet integration, and supports ongoing security and reliability for Solana-based transactions.

December 2024

4 Commits • 1 Features

Dec 1, 2024

Concise monthly summary for 2024-12 focusing on business value and technical achievements for MetaMask/metamask-extension. Highlights include bug fixes that improve stability and accuracy, UI improvements to reduce user confusion, and proactive security/dependency updates to strengthen risk posture.

November 2024

1 Commits • 1 Features

Nov 1, 2024

2024-11 monthly summary for MetaMask/metamask-extension highlighting key features delivered, major fixes (if any), impact, and skills demonstrated. The quarter focuses on expanding cross-chain capabilities by adding Solana cross-chain send support and related snap/account enhancements to the extension.

Activity

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Quality Metrics

Correctness93.6%
Maintainability88.0%
Architecture88.0%
Performance86.2%
AI Usage25.6%

Skills & Technologies

Programming Languages

BashJSONJavaScriptMarkdownSVGTypeScriptYAML

Technical Skills

AI integrationAPI DevelopmentAPI DocumentationAPI IntegrationAPI developmentAPI integrationBackend DevelopmentBlockchainBrowser ExtensionsBuild ConfigurationCI/CDCI/CD ConfigurationCode RefactoringConfiguration ManagementCryptocurrency Wallets

Repositories Contributed To

5 repos

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

MetaMask/metamask-extension

Nov 2024 Apr 2026
14 Months active

Languages Used

JavaScriptTypeScriptYAMLSVGJSON

Technical Skills

Front End DevelopmentJavaScriptMetaMask Extension DevelopmentSnap IntegrationTypeScriptDependency Management

MetaMask/metamask-mobile

May 2025 May 2026
12 Months active

Languages Used

JavaScriptTypeScriptYAMLJSONBashMarkdown

Technical Skills

Dependency ManagementE2E TestingMobile DevelopmentReact NativeTypeScriptDeeplinking

MetaMask/core

Sep 2025 Apr 2026
3 Months active

Languages Used

JavaScriptTypeScriptJSON

Technical Skills

API DevelopmentFull Stack DevelopmentJavaScriptKeyring ManagementNode.jsSnap Integration

MetaMask/accounts

Feb 2025 Nov 2025
3 Months active

Languages Used

MarkdownTypeScript

Technical Skills

API DocumentationSolanaTypeScriptAPI DevelopmentBlockchainBackend Development

MetaMask/snaps-registry

Dec 2025 Dec 2025
1 Month active

Languages Used

JSON

Technical Skills

JSON managementbackend development