spruceid/sprucekit-mobile
Jun 2025 – Apr 2026
10 Months active
Languages Used
KotlinRustSwiftJavaYAMLDartGroovy
Technical Skills
API IntegrationAndroid DevelopmentConfiguration ManagementCredential VerificationCross-Platform DevelopmentData Parsing
Marcelo Eduardo R.
PROFILE
Marcelo Eduardo R.
Marcelo contributed to spruceid/sprucekit-mobile by engineering cross-platform mobile features that enhanced credential management, Bluetooth-based device interactions, and secure onboarding flows. He implemented robust API integrations and streamlined permission handling, using Kotlin, Swift, and Rust to ensure reliable data parsing and state management across Android and iOS. Marcelo improved CI/CD pipelines and release workflows, enabling consistent versioning and faster deployments. His work included QR code-based credential sharing, Bluetooth Low Energy communication, and dynamic endpoint configuration, all designed to reduce user friction and strengthen security. The depth of his contributions reflects a strong grasp of mobile SDK development and release engineering.
Overall Statistics
Feature vs Bugs
89%Features
Repository Contributions
22Total
Bugs
2
Commits
22
Features
16
Lines of code
10,227
Activity Months10
Work History
April 2026
1 Commits • 1 Features
Apr 1, 2026April 2026: Delivered a coordinated cross-platform release for sprucekit-mobile (Version 1.18.2) across Android and iOS. The work focused on release engineering, versioning consistency, and auditability to support a smooth customer rollout.
1 Commits • 1 Features
Apr 1, 2026April 2026: Delivered a coordinated cross-platform release for sprucekit-mobile (Version 1.18.2) across Android and iOS. The work focused on release engineering, versioning consistency, and auditability to support a smooth customer rollout.
April 2026
March 2026
4 Commits • 2 Features
Mar 1, 2026March 2026 – sprucekit-mobile: Delivered two high-impact feature areas and improved CI/CD reliability to accelerate deployment and distribution on Maven Central. Key features delivered: OID4VP/VCI enhancements for the SpruceKit Flutter plugin with improved credential handling and response management; Kotlin Oid4vciAsyncHttpClient improvements (commits 4770d3add42ede7677623992fe38326a7cc8eca0; 2a307bbce11213858cc3be6ab71e91a6252c124a). CI/CD and Maven Central publishing workflow improvements: upgraded nmcp plugin from 0.0.4 to 1.4.4 for Maven Central aggregation and implemented rust_cache usage optimizations in CI/CD (commits 5465b8c41ea9edce2fb4414b7270affed01f5070; 844c5671ffee5f29f6cf7250fd2b5c49f06956b0). Major bugs fixed: rust_cache usage corrected in CI/CD to improve reliability and performance. Overall impact: stronger mobile credential flows and more robust artifact publishing, leading to faster time-to-market and reduced deployment risk. Technologies/skills demonstrated: Flutter plugin integration, Kotlin Oid4vciAsyncHttpClient, Maven Central publishing workflow, nmcp plugin, CI/CD automation, and Rust-based cache optimization.
March 2026
4 Commits • 2 Features
Mar 1, 2026March 2026 – sprucekit-mobile: Delivered two high-impact feature areas and improved CI/CD reliability to accelerate deployment and distribution on Maven Central. Key features delivered: OID4VP/VCI enhancements for the SpruceKit Flutter plugin with improved credential handling and response management; Kotlin Oid4vciAsyncHttpClient improvements (commits 4770d3add42ede7677623992fe38326a7cc8eca0; 2a307bbce11213858cc3be6ab71e91a6252c124a). CI/CD and Maven Central publishing workflow improvements: upgraded nmcp plugin from 0.0.4 to 1.4.4 for Maven Central aggregation and implemented rust_cache usage optimizations in CI/CD (commits 5465b8c41ea9edce2fb4414b7270affed01f5070; 844c5671ffee5f29f6cf7250fd2b5c49f06956b0). Major bugs fixed: rust_cache usage corrected in CI/CD to improve reliability and performance. Overall impact: stronger mobile credential flows and more robust artifact publishing, leading to faster time-to-market and reduced deployment risk. Technologies/skills demonstrated: Flutter plugin integration, Kotlin Oid4vciAsyncHttpClient, Maven Central publishing workflow, nmcp plugin, CI/CD automation, and Rust-based cache optimization.
January 2026
1 Commits • 1 Features
Jan 1, 2026January 2026 (2026-01) monthly summary focused on mobile release work for sprucekit-mobile. Key feature delivered: Mobile App Version 1.17.0 Release with Android and iOS version code updates to enable users to access the latest features and improvements. Major bugs fixed: none reported this period; the effort centered on feature delivery and release hygiene. Overall impact: improved user access to the latest capabilities, enhanced cross-platform release consistency, and strengthened release traceability. Technologies/skills demonstrated: mobile release management, cross-platform versioning, semantic versioning, commit hygiene, and release tagging.
1 Commits • 1 Features
Jan 1, 2026January 2026 (2026-01) monthly summary focused on mobile release work for sprucekit-mobile. Key feature delivered: Mobile App Version 1.17.0 Release with Android and iOS version code updates to enable users to access the latest features and improvements. Major bugs fixed: none reported this period; the effort centered on feature delivery and release hygiene. Overall impact: improved user access to the latest capabilities, enhanced cross-platform release consistency, and strengthened release traceability. Technologies/skills demonstrated: mobile release management, cross-platform versioning, semantic versioning, commit hygiene, and release tagging.
January 2026
December 2025
1 Commits • 1 Features
Dec 1, 2025December 2025: SpruceKit-Mobile delivered end-to-end Kiosk Entry Verification using Digital ID QR scans with Bluetooth DL reading, including real-time user feedback for verification outcomes. This work strengthens on-site identity verification, reduces manual checks, and accelerates secure entry processes.
December 2025
1 Commits • 1 Features
Dec 1, 2025December 2025: SpruceKit-Mobile delivered end-to-end Kiosk Entry Verification using Digital ID QR scans with Bluetooth DL reading, including real-time user feedback for verification outcomes. This work strengthens on-site identity verification, reduces manual checks, and accelerates secure entry processes.
November 2025
2 Commits • 2 Features
Nov 1, 2025Month: 2025-11 — Concise performance summary for sprucekit-mobile. Delivered high-impact features, stabilized core BLE flows, and strengthened credential security checks to improve reliability, security posture, and business value.
2 Commits • 2 Features
Nov 1, 2025Month: 2025-11 — Concise performance summary for sprucekit-mobile. Delivered high-impact features, stabilized core BLE flows, and strengthened credential security checks to improve reliability, security posture, and business value.
November 2025
October 2025
1 Commits • 1 Features
Oct 1, 2025October 2025: Delivered Bluetooth Central/Peripheral role support in SpruceKit Mobile SDK, enabling the Reader to act as a Bluetooth Central and the Holder as Peripheral to expand device-to-device interactions. Implemented on the Android platform with a feature-specific commit and co-authored collaboration. This work lays the foundation for broader Bluetooth-enabled workflows and improves proximity-based interaction capabilities for mobile developers. Prepared for QA cycles and potential cross-platform parity planning.
October 2025
1 Commits • 1 Features
Oct 1, 2025October 2025: Delivered Bluetooth Central/Peripheral role support in SpruceKit Mobile SDK, enabling the Reader to act as a Bluetooth Central and the Holder as Peripheral to expand device-to-device interactions. Implemented on the Android platform with a feature-specific commit and co-authored collaboration. This work lays the foundation for broader Bluetooth-enabled workflows and improves proximity-based interaction capabilities for mobile developers. Prepared for QA cycles and potential cross-platform parity planning.
September 2025
1 Commits
Sep 1, 2025September 2025: Stabilized the Mobile SDK permission flow by eliminating overlapping Bluetooth and camera prompts and centralizing permission handling in sprucekit-mobile. The changes reduce user friction, improve onboarding, and pave the way for cross-platform permission consistency.
1 Commits
Sep 1, 2025September 2025: Stabilized the Mobile SDK permission flow by eliminating overlapping Bluetooth and camera prompts and centralizing permission handling in sprucekit-mobile. The changes reduce user friction, improve onboarding, and pave the way for cross-platform permission consistency.
September 2025
August 2025
2 Commits • 1 Features
Aug 1, 2025Monthly performance summary for 2025-08 focusing on delivering the DC API extension integration for sprucekit-mobile, refining versioning and CI to support Xcode 16.4, and preparing for user-facing DC API capabilities. The work stabilized the release process and platform readiness for upcoming features.
August 2025
2 Commits • 1 Features
Aug 1, 2025Monthly performance summary for 2025-08 focusing on delivering the DC API extension integration for sprucekit-mobile, refining versioning and CI to support Xcode 16.4, and preparing for user-facing DC API capabilities. The work stabilized the release process and platform readiness for upcoming features.
July 2025
4 Commits • 3 Features
Jul 1, 2025July 2025 monthly summary for sprucekit-mobile focusing on security, reliability, and enhanced sharing workflows. Delivered four key items that strengthen staging, auditability, and user safety, with cross-platform consistency across Android and iOS. Core outcomes include enabling reliable staging environment handling through staging certificate trust and DB migration, improved mDL auditability via activity log fixes, safer credential management via a wallet-wide delete-all confirmation, and a streamlined sharing flow with QR code scanning and OID4VP routing. Technologies demonstrated include cross-platform certificate management, database migrations, robust activity logging, cross-platform UX safeguards, and QR code-based credential sharing with credential pack IDs.
4 Commits • 3 Features
Jul 1, 2025July 2025 monthly summary for sprucekit-mobile focusing on security, reliability, and enhanced sharing workflows. Delivered four key items that strengthen staging, auditability, and user safety, with cross-platform consistency across Android and iOS. Core outcomes include enabling reliable staging environment handling through staging certificate trust and DB migration, improved mDL auditability via activity log fixes, safer credential management via a wallet-wide delete-all confirmation, and a streamlined sharing flow with QR code scanning and OID4VP routing. Technologies demonstrated include cross-platform certificate management, database migrations, robust activity logging, cross-platform UX safeguards, and QR code-based credential sharing with credential pack IDs.
July 2025
June 2025
5 Commits • 4 Features
Jun 1, 2025June 2025 performance summary for sprucekit-mobile: Delivered four key features enhancing test data realism, credential handling, onboarding UX, and endpoint flexibility. No major bugs fixed this month. Impact: improved test coverage and data reliability, smoother onboarding, and more maintainable, configuration-driven endpoint management. Technologies/skills demonstrated include cross-platform refactoring (Android/iOS), data parsing improvements (Unix timestamps), UI/UX enhancements, shared utilities for mocking, and .well-known based endpoint loading.
June 2025
5 Commits • 4 Features
Jun 1, 2025June 2025 performance summary for sprucekit-mobile: Delivered four key features enhancing test data realism, credential handling, onboarding UX, and endpoint flexibility. No major bugs fixed this month. Impact: improved test coverage and data reliability, smoother onboarding, and more maintainable, configuration-driven endpoint management. Technologies/skills demonstrated include cross-platform refactoring (Android/iOS), data parsing improvements (Unix timestamps), UI/UX enhancements, shared utilities for mocking, and .well-known based endpoint loading.
Activity
Loading activity data...
Quality Metrics
Correctness88.6%
Maintainability86.8%
Architecture86.0%
Performance82.8%
AI Usage25.4%
Skills & Technologies
Programming Languages
DartGroovyJavaKotlinRustSwiftYAML
Technical Skills
API IntegrationAPI integrationAndroidAndroid DevelopmentAndroid developmentBluetooth Low Energy (BLE)Bluetooth integrationBuild ConfigurationCI/CDCertificate ManagementConfiguration ManagementCredential VerificationCross-Platform DevelopmentData ParsingDatabase Management
Repositories Contributed To
Overview of all repositories you've contributed to across your timeline