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Justin Hernandez

PROFILE

Justin Hernandez

Over 15 months, contributed to the selfxyz/self repository by delivering 266 features and resolving 122 bugs across mobile and web platforms. Focused on building robust onboarding, KYC verification, and cross-platform SDKs, the work emphasized release automation, CI/CD reliability, and modular architecture. Leveraging TypeScript, Kotlin Multiplatform, and React Native, implemented secure storage, analytics integration, and native module bridges to support scalable deployments. Modernized the monorepo with pnpm and Turborepo, improved Android and iOS build pipelines, and enhanced user experience through UI/UX refinements and accessibility upgrades. Prioritized code quality, security, and maintainability through continuous testing, documentation, and workflow automation.

Overall Statistics

Feature vs Bugs

69%Features

Repository Contributions

508Total
Bugs
122
Commits
508
Features
266
Lines of code
13,590,098
Activity Months15

Work History

June 2026

26 Commits • 14 Features

Jun 1, 2026

June 2026 monthly summary for selfxyz/self repo: Delivered core Android store deployment reliability and CI/CD improvements, completed major repo modernization, and kicked off the codebase-audits program. Focused on delivering business value through stable release workflows, faster artifact delivery, and scalable build pipelines.

May 2026

34 Commits • 16 Features

May 1, 2026

May 2026 monthly work summary for selfxyz/self focused on delivering user-centric features, stabilizing the platform, and accelerating release readiness. Highlights include a major UI/UX refresh for global connectivity, onboarding/perks enhancements, platform upgrades, and strengthened USAT flows and test reliability. The work underscores value delivery through improved onboarding clarity, richer perk eligibility experiences, faster release cycles, and robust automated checks.

April 2026

10 Commits • 3 Features

Apr 1, 2026

Concise monthly summary for 2026-04: Delivered cross-platform KMP SDK provider delegation with 3-domain scope expansion; established native shell CI/CD with unit tests, formatting/lint improvements, and hardened lifecycle/error handling; implemented Subresource Integrity checks for webview with extended security scanning; stabilized lifecycle and rollback logic; improved end-to-end testing for gesture handler patches. These efforts reduce deployment risk, harden security against CDN tampering, and improve reliability of native shells and webview assets.

March 2026

52 Commits • 41 Features

Mar 1, 2026

2026-03 Monthly Summary for selfxyz/self: Delivered a broad set of features and reliability improvements across RN SDK, WebView, and cross-platform tooling, with a strong focus on business value, stability, and developer experience. The work spanned release automation, SDK validation, platform-specific hardening, and extensive spec/workflow improvements.

February 2026

42 Commits • 29 Features

Feb 1, 2026

February 2026 (2026-02) monthly summary for selfxyz/self. Focused on onboarding flow readiness, reliability, and development hygiene. Delivered customer-facing KYC verification UI, prepped SumSub integration for the 2.9.15 release with privacy-conscious entry-point management, and strengthened stability, cross-platform foundations, and release processes.

January 2026

47 Commits • 25 Features

Jan 1, 2026

January 2026 performance summary for the selfxyz/self mobile platform. Delivered a set of high-value mobile engineering initiatives spanning tooling, onboarding, UX, and release automation. The work improved release reliability, developer experience, and user engagement readiness, enabling faster go-to-market and more robust production builds.

December 2025

26 Commits • 8 Features

Dec 1, 2025

December 2025 monthly summary for selfxyz/self: Focused on stabilizing the platform while delivering UX improvements and essential maintenance across the codebase. Key outcomes include (1) feature deliveries that improve safety and usability (backup recovery prompts, back navigation for QR scanner, updated document scan prompt, improved deeplink navigation, and wallet webview link fixes), and (2) major bug fixes and CI/infra enhancements that reduced release risk (Two Point Nine fixes: addhaar typo, mobile wording consolidation, caching, qrcode typing; test_circuits and workflow fixes; environment/tooling upgrades; versioning alignment; removal of GitGuardian references; Sentry replay fix). These efforts, along with analytics standardization and documentation tooling, underpin faster, more reliable releases and a better user experience. Technologies demonstrated: Node/Yarn ecosystem upgrades, ESLint/Prettier integration, CI/test stabilization, OpenZeppelin dependency updates, and cross-functional collaboration.

November 2025

23 Commits • 7 Features

Nov 1, 2025

November 2025 monthly summary for selfxyz/self. Delivered stability, security, and UX enhancements across the mobile codebase, with a strong focus on robust release management, reliable PR workflows, memory/data integrity, and codebase modernization. Highlights include versioning and platform updates to align Android/iOS builds, fixes to PR opening flow and deployment safeguards, removal of derived data caching to reduce memory pressure, a major modular refactor of the mobile app structure, and targeted UX polish plus test reliability improvements.

October 2025

63 Commits • 26 Features

Oct 1, 2025

October 2025 (2025-10) — Self team delivered a stabilized release and build automation pipeline, polished mobile demo experiences, and expanded testing coverage, driving faster, safer mobile deployments and clearer release communications. Key features delivered include: Release and Build Automation enhancements enabling last build bump for v268, deploy fixes up to v2.6.9, PR automation improvements, and version management across mobile and backend pipelines; Mobile Demo App polish and UI improvements with improved safe area handling, simplified screens, centralized navigation, and document registration fixes; MRZ/demo screen enhancements including the document camera MRZ screen and a working MRZ scan screen; Testing updates for mobile demos with Vitest-based tests for the mobile SDK demo; CI/CD and build stability improvements including retry logic and workflow caching to speed up and stabilize deployments, plus iOS Podfile locking to stabilize iOS builds; and versioning work to support mobile deploys (v2.6.9 and v2.7.0). Major bugs fixed include PR body generation for release workflow, iOS Lottie animations with delay, production release issues, token-related fixes, and passport data not found issues. Overall impact: more reliable releases, faster cycle times, higher quality mobile demos and tests, and a more maintainable codebase. Technologies/skills demonstrated: React Native, iOS/Android build tooling, Podfile locking, Vitest testing, TypeScript typing enhancements, lint/Prettier/ESLint optimizations, shared WebView usage, and CI/CD workflow improvements.

September 2025

47 Commits • 18 Features

Sep 1, 2025

September 2025 (Month: 2025-09) delivered a coherent set of feature milestones, stability improvements, and release-ready refinements across the selfxyz/self stack. The work focused on clarifying analytics, enabling platform integrations, strengthening CI/CD, improving performance and observability, and accelerating release readiness for the 2.6.x cycle. The month balanced new capabilities with reliability fixes to support business goals of faster iteration, better product insights, and safer deployments.

August 2025

63 Commits • 45 Features

Aug 1, 2025

August 2025 highlights: Delivered broad improvements across UI, build pipelines, tooling, and mobile SDKs while stabilizing the platform with critical fixes. This month focused on business value through user experience enhancements, more secure and maintainable code paths, faster release cycles, and stronger test coverage. The team shipped key features, resolved high-impact issues, and modernized workflows to support faster, reliable deployments.

July 2025

32 Commits • 16 Features

Jul 1, 2025

2025-07 monthly summary for selfxyz/self: Delivered a set of high-impact features, security integrations, UI/UX hardening, telemetry improvements, and deployment optimizations across mobile and web. The work reduced onboarding friction, strengthened security posture, improved user experience, and accelerated deployment cycles, enabling faster delivery of value to customers.

June 2025

26 Commits • 9 Features

Jun 1, 2025

June 2025 (2025-06) monthly summary for selfxyz/self. Highlights include delivering cross‑platform improvements and user‑facing features while strengthening the build pipeline and compliance. Key features delivered: iOS Cloud Backup and Recovery Enhancements (abstracted backup logic, post‑verification backup checks, and recovery prompts); Build System and Version Management (Hermes stability fixes, version bumps, and Xcode improvements to streamline releases); BUSL License Headers Compliance (BUSL v1.1 headers applied with a lint rule); Document Management Analytics Events (instrumentation for document workflows); Enable Production Push Notifications (production push enabled to boost user engagement). Major bugs fixed: Android Cloud Backup Reliability improvements; Environment Sample Fix; Navigation Serialization Warnings Fix; and build/ Hermes revert fixes to restore stability. Overall impact: greater reliability of backups and recovery flows, faster and more stable multi‑platform releases, improved license compliance, richer product analytics, and stronger user engagement channels. Technologies/skills demonstrated: cross‑platform build pipelines (iOS/Android), Hermes build engine, Xcode/Android tooling, license governance, analytics instrumentation, and configuration management.

May 2025

14 Commits • 7 Features

May 1, 2025

May 2025 monthly summary for selfxyz/self focusing on UX improvements, reliability, and release readiness across the mobile app. Delivered accessibility improvements, navigation/UX refinements, connectivity reliability, and security/storage upgrades, along with a streamlined release process. Key features include: font scaling up to 1.3 with SQLite storage support; robust connectivity checks with a deliberate delay; refreshed navigation structure and a new loading screen with estimated wait times and enhanced haptic feedback; migration of proof history to the home screen with updated typography/padding for cross-device consistency; and upgrade of react-native-keychain to 10.0.0 with corresponding lockfile fixes. Major bug fixes address runtime errors from undefined tracking events in analytics. Business impact centers on improved accessibility, reduced user friction, more predictable navigation, enhanced security, and faster release cycles. Technologies/skills demonstrated include React Native, navigation architecture, cross-device UI, secure storage, analytics, and Jest-based testing.

April 2025

3 Commits • 2 Features

Apr 1, 2025

April 2025 (Month: 2025-04) — Performance review summary for selfxyz/self: - Delivered an end-to-end Release 2.5.1 across Android and iOS with updated build and versioning, aligned release process, and corrected default handling for IS_TEST_BUILD when undefined. Implemented a dedicated bug-fix build for v2.5.1 to tighten stability. - Introduced Haptic Feedback Testing Screen under developer settings to standardize testing of haptic types and patterns, including navigation routes and updates to haptic utility functions. Underlying work included improvements to the haptic library to support richer test scenarios. - Roadmap-friendly engineering: enhanced release reliability and developer tooling, enabling quicker validation of patches and more predictable cross-platform releases.

Activity

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Quality Metrics

Correctness89.0%
Maintainability86.6%
Architecture85.4%
Performance83.2%
AI Usage30.6%

Skills & Technologies

Programming Languages

BashCC#C++CJSCSSClojureGradleGroovyHTML

Technical Skills

AI ConfigurationAI IntegrationAPI DesignAPI DevelopmentAPI DocumentationAPI IntegrationAPI integrationAlias ManagementAnalyticsAnalytics IntegrationAndroid Build ToolsAndroid DevelopmentAndroid developmentAngularAnimation

Repositories Contributed To

1 repo

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

selfxyz/self

Apr 2025 Jun 2026
15 Months active

Languages Used

GradleJavaScriptRubyTypeScriptXMLtsxJSONObjective-C

Technical Skills

Build ManagementDeveloper ToolsHaptic FeedbackMobile DevelopmentNavigationReact Native