
Federico Mastrini developed and maintained core features for the pagopa/io-app repository, focusing on the IT Wallet’s credential management, offline access, and secure identification flows. He refactored state management using TypeScript and Redux, introduced key-value storage for credentials, and enhanced flows for CIE+PIN identification, aligning with evolving design and security requirements. Federico improved accessibility and UI consistency, implemented robust offline usage controls, and streamlined upgrade and revocation workflows. His work included integrating analytics, refining error handling, and strengthening CI/CD reliability. Through careful code organization and modular refactoring, he delivered maintainable solutions that improved user experience and operational stability.

October 2025: Delivered core UX polish, stability fixes, and a modular overhaul to IT Wallet and CIE workflows, driving a smoother user experience and maintainable codebase. The work emphasizes business value by reducing user friction, stabilizing critical flows, and enabling faster iterations for credential issuance and identity verification features.
October 2025: Delivered core UX polish, stability fixes, and a modular overhaul to IT Wallet and CIE workflows, driving a smoother user experience and maintainable codebase. The work emphasizes business value by reducing user friction, stabilizing critical flows, and enabling faster iterations for credential issuance and identity verification features.
September 2025 monthly summary for pagopa/io-app focusing on key features delivered, major bugs fixed, overall impact, and technologies demonstrated. This period delivered significant IT Wallet improvements including credential upgrade experience, CIE identification & CAN flow, UI/UX polish, and CI/CD stability enhancements. Notable outcomes include offline-safe credentials upgrade, enhanced CIE reading flow with haptic feedback and SDK updates, improved UI/UX consistency and QR readability in dark mode, and stronger nightly-build reliability.
September 2025 monthly summary for pagopa/io-app focusing on key features delivered, major bugs fixed, overall impact, and technologies demonstrated. This period delivered significant IT Wallet improvements including credential upgrade experience, CIE identification & CAN flow, UI/UX polish, and CI/CD stability enhancements. Notable outcomes include offline-safe credentials upgrade, enhanced CIE reading flow with haptic feedback and SDK updates, improved UI/UX consistency and QR readability in dark mode, and stronger nightly-build reliability.
Month: 2025-08 — Delivered a focused set of security, offline-capable, and accessibility improvements for pagopa/io-app. Key features and fixes include offline wallet controls, credential upgrade flow, revocation workflow, and UI accessibility/readability enhancements across dark mode. These changes strengthen security, improve upgrade paths for legacy credentials, and broaden usability while reducing support friction. Highlights delivered: - Offline Wallet Access Control and Usage Tracking: added offline usage counter, near-limit warnings, offline mini-app access tracking, and reset-on-online behavior to enforce offline usage governance. Commits: 7193f42ab9c5ce3b56f1b3fbe3835db1a0fbf7a6 (SIW-2819); 178f1c1af692666b0e72be1002306a72f8d185d5 (SIW-2820). - Credential Upgrade Path and Pending Upgrade Status UI: implemented credential upgrade flow and introduced pending upgrade status on credential cards to guide users. Commits: bf5e9fc9c5c12959c9c97b12afd00406fdae97c8 (SIW-2814); 1193d6499b81a6a1788dbc6678dd241def59a263 (SIW-2815). - IT Wallet Revocation Flow: added revocation CTA in IT Wallet ID details and updated loading screen i18n to support revocation. Commit: b9a8d5875241bf2b4746fd2cfba8712f5b8f439d (SIW-2817). - Skeuomorphic Card Label Readability in Dark Mode: fixed visibility of claim labels on skeuomorphic cards by applying high-contrast color for readability. Commit: 4732696a0a62dea8fd69543126a79bdb0c7d0c31 (SIW-2865). - Accessibility Improvements for ItwHighlightBanner: enhanced accessibility properties and fallback label for assistive technologies. Commit: 21866dab1dad81c340d98b7f4de80660f01f64c3 (SIW-2787).
Month: 2025-08 — Delivered a focused set of security, offline-capable, and accessibility improvements for pagopa/io-app. Key features and fixes include offline wallet controls, credential upgrade flow, revocation workflow, and UI accessibility/readability enhancements across dark mode. These changes strengthen security, improve upgrade paths for legacy credentials, and broaden usability while reducing support friction. Highlights delivered: - Offline Wallet Access Control and Usage Tracking: added offline usage counter, near-limit warnings, offline mini-app access tracking, and reset-on-online behavior to enforce offline usage governance. Commits: 7193f42ab9c5ce3b56f1b3fbe3835db1a0fbf7a6 (SIW-2819); 178f1c1af692666b0e72be1002306a72f8d185d5 (SIW-2820). - Credential Upgrade Path and Pending Upgrade Status UI: implemented credential upgrade flow and introduced pending upgrade status on credential cards to guide users. Commits: bf5e9fc9c5c12959c9c97b12afd00406fdae97c8 (SIW-2814); 1193d6499b81a6a1788dbc6678dd241def59a263 (SIW-2815). - IT Wallet Revocation Flow: added revocation CTA in IT Wallet ID details and updated loading screen i18n to support revocation. Commit: b9a8d5875241bf2b4746fd2cfba8712f5b8f439d (SIW-2817). - Skeuomorphic Card Label Readability in Dark Mode: fixed visibility of claim labels on skeuomorphic cards by applying high-contrast color for readability. Commit: 4732696a0a62dea8fd69543126a79bdb0c7d0c31 (SIW-2865). - Accessibility Improvements for ItwHighlightBanner: enhanced accessibility properties and fallback label for assistive technologies. Commit: 21866dab1dad81c340d98b7f4de80660f01f64c3 (SIW-2787).
July 2025 (2025-07) performance summary for pagopa/io-app and pagopa/io-react-native-wallet. Key features delivered in io-app: - IT Wallet Credential Management Refactor (Key-Value Storage): refactor credentials reducer to key-value for direct access by key, remove Option type, and add migration and selector tests. Commits: a73e59de91ef04a60eec8001fc7c0d0857dbc215. - IT Wallet CIE+PIN Identification Flow Enhancements: new UX for L2/L3, align with design specs, refactor locale files, add assets, and restructure the state machine; introduces a new CIE SDK structure. Commits: 2502cb15316c92a697d782e5ba20a0e36cf1f294; 19f558f8e7b59e1018f17adafe35db55bd72c5b5; 05011a7d6fa50dd8fe923caf143b023cfe004b0e. - Wallet Presentation - Credential Type Mapping and 1.0 Spec Alignment: Align remote presentation to 1.0 specs, add getCredentialTypeByVct for mapping credential types from VCTs, and update related tests. Commit: dd8d7d695f69ce1141339fed1898f2f4ae596240. Major bugs fixed in io-app: - IT Wallet Stability and Analytics: Fix TypeError in IT Wallet placeholder cards and stabilize Mixpanel property updates to improve wallet stability and tracking. Commit: f860d4ca2d7523a996da10caca7d877171a417ba. - IT Wallet PID Flow Back Navigation Bug Fix: Fix back navigation after choosing L2 identification fallback; adjust idpHint and introducing isL2Fallback; includes visual bottom sheet adjustments. Commit: 9786a3a6af6efe71280c6ba75d4f569fe6e6ce0a. io-react-native-wallet: - Release Versioning and Tagging Process: Consolidates release-tagging commits to improve release discipline and version traceability; versions 2.0.0-next.4 and 2.0.0-next.6. Commits: 1cf19b2f618a90e1c67bfeedf9196757e53a99f9; af9f28587ebed5350ce1d77a31a18382de03fce0. Overall impact and accomplishments: - Improved wallet stability, data handling, user flows, and alignment with 1.0 specs, plus release discipline. Business value includes reduced crash risk, more accurate analytics, smoother user journeys, and predictable releases. Technologies/skills demonstrated: - TypeScript/Redux refactors, migrations and selector tests, UI/UX enhancements for identity flows, CIE SDK integration, localization/assets handling, state machine restructuring, and release management.
July 2025 (2025-07) performance summary for pagopa/io-app and pagopa/io-react-native-wallet. Key features delivered in io-app: - IT Wallet Credential Management Refactor (Key-Value Storage): refactor credentials reducer to key-value for direct access by key, remove Option type, and add migration and selector tests. Commits: a73e59de91ef04a60eec8001fc7c0d0857dbc215. - IT Wallet CIE+PIN Identification Flow Enhancements: new UX for L2/L3, align with design specs, refactor locale files, add assets, and restructure the state machine; introduces a new CIE SDK structure. Commits: 2502cb15316c92a697d782e5ba20a0e36cf1f294; 19f558f8e7b59e1018f17adafe35db55bd72c5b5; 05011a7d6fa50dd8fe923caf143b023cfe004b0e. - Wallet Presentation - Credential Type Mapping and 1.0 Spec Alignment: Align remote presentation to 1.0 specs, add getCredentialTypeByVct for mapping credential types from VCTs, and update related tests. Commit: dd8d7d695f69ce1141339fed1898f2f4ae596240. Major bugs fixed in io-app: - IT Wallet Stability and Analytics: Fix TypeError in IT Wallet placeholder cards and stabilize Mixpanel property updates to improve wallet stability and tracking. Commit: f860d4ca2d7523a996da10caca7d877171a417ba. - IT Wallet PID Flow Back Navigation Bug Fix: Fix back navigation after choosing L2 identification fallback; adjust idpHint and introducing isL2Fallback; includes visual bottom sheet adjustments. Commit: 9786a3a6af6efe71280c6ba75d4f569fe6e6ce0a. io-react-native-wallet: - Release Versioning and Tagging Process: Consolidates release-tagging commits to improve release discipline and version traceability; versions 2.0.0-next.4 and 2.0.0-next.6. Commits: 1cf19b2f618a90e1c67bfeedf9196757e53a99f9; af9f28587ebed5350ce1d77a31a18382de03fce0. Overall impact and accomplishments: - Improved wallet stability, data handling, user flows, and alignment with 1.0 specs, plus release discipline. Business value includes reduced crash risk, more accurate analytics, smoother user journeys, and predictable releases. Technologies/skills demonstrated: - TypeScript/Redux refactors, migrations and selector tests, UI/UX enhancements for identity flows, CIE SDK integration, localization/assets handling, state machine restructuring, and release management.
June 2025 monthly summary for pagopa/io-app focused on IT Wallet improvements, feature delivery, reliability fixes, and observability. Delivered offline connectivity UX, environment switching (PRE/PROD), CIE flow enhancements, and strengthened testing, with enhanced monitoring via Sentry. Resulting in faster user recovery from outages, safer deployments, and maintainable migrations.
June 2025 monthly summary for pagopa/io-app focused on IT Wallet improvements, feature delivery, reliability fixes, and observability. Delivered offline connectivity UX, environment switching (PRE/PROD), CIE flow enhancements, and strengthened testing, with enhanced monitoring via Sentry. Resulting in faster user recovery from outages, safer deployments, and maintainable migrations.
May 2025 monthly summary focusing on IT Wallet delivery, stability, and developer tooling across io-app with business value and technical achievements.
May 2025 monthly summary focusing on IT Wallet delivery, stability, and developer tooling across io-app with business value and technical achievements.
April 2025 performance highlights: Delivered foundational work enabling L3 wallet capabilities, improved authentication flows, unified offline access checks, enhanced analytics for wallet state, and restored key user-facing UI. Streamlined release management and simplified lifecycle logic to improve maintainability. Coordinated across repos pagopa/io-react-native-wallet, pagopa/io-app, and pagopa/io-services-metadata. These changes increase reliability, offline readiness, and feature parity for L3 use cases, supported by targeted commits across chore and feature work.
April 2025 performance highlights: Delivered foundational work enabling L3 wallet capabilities, improved authentication flows, unified offline access checks, enhanced analytics for wallet state, and restored key user-facing UI. Streamlined release management and simplified lifecycle logic to improve maintainability. Coordinated across repos pagopa/io-react-native-wallet, pagopa/io-app, and pagopa/io-services-metadata. These changes increase reliability, offline readiness, and feature parity for L3 use cases, supported by targeted commits across chore and feature work.
March 2025 monthly summary for pagopa/io-app focused on offline-first resilience for the IT Wallet and stabilization of the issuer trust flow. Delivered IT Wallet Resilience and Offline Capability with robust integrity service warm-up, offline data rehydration, protection of offline interactions, and offline access during session refresh failures. Fixed an async issuance navigation bug in the issuer trust flow by simplifying the continuation path and adding a Completed state to prevent navigation loops. These changes enhance offline usability, reliability under intermittent connectivity, and overall user experience.
March 2025 monthly summary for pagopa/io-app focused on offline-first resilience for the IT Wallet and stabilization of the issuer trust flow. Delivered IT Wallet Resilience and Offline Capability with robust integrity service warm-up, offline data rehydration, protection of offline interactions, and offline access during session refresh failures. Fixed an async issuance navigation bug in the issuer trust flow by simplifying the continuation path and adding a Completed state to prevent navigation loops. These changes enhance offline usability, reliability under intermittent connectivity, and overall user experience.
February 2025 (2025-02) delivered a cohesive set of IT Wallet offline capabilities, UX hardening, and design-system alignment across io-app and io-app-design-system, driving offline resilience, better UX, and maintainable code. Highlights include: - Offline IT Wallet: local feature flag, persisted preferences migration, and a user-facing offline mode toggle; offline IT Wallet screens with a standalone experience; decommissioning of deprecated ITW Playgrounds. - UX stability and recoverability: restart modal and offline alerts for IT Wallet, plus an exit-confirmation dialog for IT Wallet identification flows to prevent accidental exits. - Visuals and content upgrades: Skia-based dynamic credential visuals; Markdown rendering migrated to IOMarkdown with auto-resizing for TOS WebView to improve readability. - Reliability and gating: removal of remote feature flag checks from IT Wallet linking with a higher-order component to render screens based on enabled status, including an error screen when disabled. - Android permissions: refined camera permission handling with a dedicated status hook and loading state during evaluation. - Design-system integration: HeaderFirstLevel now supports optional actions; release 4.5.2 includes dark mode support for Button and ListItem and removal of the legacy Advice component.
February 2025 (2025-02) delivered a cohesive set of IT Wallet offline capabilities, UX hardening, and design-system alignment across io-app and io-app-design-system, driving offline resilience, better UX, and maintainable code. Highlights include: - Offline IT Wallet: local feature flag, persisted preferences migration, and a user-facing offline mode toggle; offline IT Wallet screens with a standalone experience; decommissioning of deprecated ITW Playgrounds. - UX stability and recoverability: restart modal and offline alerts for IT Wallet, plus an exit-confirmation dialog for IT Wallet identification flows to prevent accidental exits. - Visuals and content upgrades: Skia-based dynamic credential visuals; Markdown rendering migrated to IOMarkdown with auto-resizing for TOS WebView to improve readability. - Reliability and gating: removal of remote feature flag checks from IT Wallet linking with a higher-order component to render screens based on enabled status, including an error screen when disabled. - Android permissions: refined camera permission handling with a dedicated status hook and loading state during evaluation. - Design-system integration: HeaderFirstLevel now supports optional actions; release 4.5.2 includes dark mode support for Button and ListItem and removal of the legacy Advice component.
January 2025: Frontloaded reliability and maintainability work across io-app and io-services-metadata. Delivered key features and fixes that improve Trustmark QR flow, iPatente CTAs, data correctness, and wallet UI/stability, enabling safer releases and better user experience. Achievements include: Trustmark QR Code reliability improvements with failure handling, retries, and user alerts; iPatente CTA added in IT Wallet with remote-config control; MDL driving privileges data key fix; IT Wallet UI/state robustness enhancements including placeholder removal, persistence after logout, and Redux immutability fixes; iPatente CTA simplification and disablement in io-services-metadata with a simple visibility flag and MDL disablement. Business impact: higher trust in digital credential flows, reduced support tickets due to data/display issues, and faster rollout via remote-config driven feature toggles.
January 2025: Frontloaded reliability and maintainability work across io-app and io-services-metadata. Delivered key features and fixes that improve Trustmark QR flow, iPatente CTAs, data correctness, and wallet UI/stability, enabling safer releases and better user experience. Achievements include: Trustmark QR Code reliability improvements with failure handling, retries, and user alerts; iPatente CTA added in IT Wallet with remote-config control; MDL driving privileges data key fix; IT Wallet UI/state robustness enhancements including placeholder removal, persistence after logout, and Redux immutability fixes; iPatente CTA simplification and disablement in io-services-metadata with a simple visibility flag and MDL disablement. Business impact: higher trust in digital credential flows, reduced support tickets due to data/display issues, and faster rollout via remote-config driven feature toggles.
December 2024 monthly summary: Delivered substantial IT Wallet improvements and UX enhancements across multiple repos, with a focus on stability, maintainability, and release readiness. Core wallet stabilization was achieved by consolidating CIE/NFC logic into XState, removing the IT Wallet trial system, and implementing necessary store migrations to prevent crashes, complemented by UI polish on the wallet home screen. UX improvements include back-to-top navigation, refined filter tab padding, onboarding discovery banner, and pull-to-refresh, increasing usability and user engagement. Standardization and governance updates were completed via wallet naming consolidation, version bumps for compatibility, and release metadata updates, alongside UI polish for credentials and feature flags. Collectively, these changes reduce crash surfaces, accelerate onboarding, and improve downstream release velocity and cross-team collaboration.
December 2024 monthly summary: Delivered substantial IT Wallet improvements and UX enhancements across multiple repos, with a focus on stability, maintainability, and release readiness. Core wallet stabilization was achieved by consolidating CIE/NFC logic into XState, removing the IT Wallet trial system, and implementing necessary store migrations to prevent crashes, complemented by UI polish on the wallet home screen. UX improvements include back-to-top navigation, refined filter tab padding, onboarding discovery banner, and pull-to-refresh, increasing usability and user engagement. Standardization and governance updates were completed via wallet naming consolidation, version bumps for compatibility, and release metadata updates, alongside UI polish for credentials and feature flags. Collectively, these changes reduce crash surfaces, accelerate onboarding, and improve downstream release velocity and cross-team collaboration.
Month: 2024-11 — Concise monthly summary highlighting business value and technical achievements across io-app, io-react-native-wallet, and io-app-design-system. Delivered UX/UI enhancements for IT Wallet Credential Details, robust Trustmark workflow, test reliability improvements, and RC release readiness. Key outcomes include improved user experience and accessibility, stronger credential verification flow, deterministic tests, and streamlined release process. Cross-repo design-system enhancements contributed to consistent accessibility and UI polish.
Month: 2024-11 — Concise monthly summary highlighting business value and technical achievements across io-app, io-react-native-wallet, and io-app-design-system. Delivered UX/UI enhancements for IT Wallet Credential Details, robust Trustmark workflow, test reliability improvements, and RC release readiness. Key outcomes include improved user experience and accessibility, stronger credential verification flow, deterministic tests, and streamlined release process. Cross-repo design-system enhancements contributed to consistent accessibility and UI polish.
October 2024 — pagopa/io-app: IT Wallet issuance flow improvements focused on reliability and test hygiene. Key deliverables were targeted bug fixes rather than new features. 1) IT Wallet Issuance Failure Screen Handling: failure screens render only for actual failures, removing spurious UI when the failure state is null (commit 4a19c6b69b3f22c330a0aef25ef256d5aa289643). 2) Test Artifacts Cleanup for ItwSkeumorphicCard: removed unused mock data in tests; no functional changes (commit c43bc0b07f96a31536cb91647b4b9eaca4ca4eaf). Impact: smoother user journeys during wallet issuance, fewer confusing error states, and lighter test data footprint improving maintainability. Technologies/skills demonstrated: bug fixing in a React Native-based IO app, clear commit messages tied to SIW issues, emphasis on code quality, test hygiene, and cross-functional collaboration.
October 2024 — pagopa/io-app: IT Wallet issuance flow improvements focused on reliability and test hygiene. Key deliverables were targeted bug fixes rather than new features. 1) IT Wallet Issuance Failure Screen Handling: failure screens render only for actual failures, removing spurious UI when the failure state is null (commit 4a19c6b69b3f22c330a0aef25ef256d5aa289643). 2) Test Artifacts Cleanup for ItwSkeumorphicCard: removed unused mock data in tests; no functional changes (commit c43bc0b07f96a31536cb91647b4b9eaca4ca4eaf). Impact: smoother user journeys during wallet issuance, fewer confusing error states, and lighter test data footprint improving maintainability. Technologies/skills demonstrated: bug fixing in a React Native-based IO app, clear commit messages tied to SIW issues, emphasis on code quality, test hygiene, and cross-functional collaboration.
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