June 2026 performance summary: Across Android, iOS, Flutter, React Native, and Expo plugin, the team delivered reliable, secure, and scalable mobile integrations for Customer.io. The work emphasized business value through improved messaging reliability, reduced runtime and polling overhead, stronger security posture, and enhanced developer tooling and release hygiene. Cumulative effects include faster feature delivery cycles, higher test confidence, and better end-user experiences due to up-to-date SDKs and better platform parity.

May 2026 performance summary: Across five Customer.io repositories (Android, iOS, React Native, Flutter, and Expo plugin), we delivered security hardening, deployment workflow improvements, and cross‑platform SDK upgrades that reduce risk, speed up releases, and improve reliability. Notable outcomes include updated dependency pinning and deployment authentication via GitHub App tokens, migration to App-bypass ruleset for deployment, and token‑management improvements in CI. Flaky tests were fixed and test reliability was strengthened. Native SDKs were upgraded (iOS/Android) and tooling enhancements added, including pnpm support and a fixture-based testing suite for CI reliability. Logging refinements were implemented to improve prebuild cleanliness by routing plugin diagnostics to stderr. Overall impact: stronger security posture, faster and more predictable releases, and better cross‑platform compatibility, enabling a better customer experience and reduced operational risk.

April 2026 monthly summary: Delivered cross-platform push delivery resilience improvements across iOS, React Native, and Flutter to increase reliability and user engagement. Implemented iOS Notification Service Extension resilience, React Native configuration/entitlements updates, and Flutter extension resilience with App Group data access and entitlements updates. These changes strengthen delivery metrics handling, edge-case resilience, and security configurations, enabling better observability and consistent user notifications.

March 2026 performance summary for the Customer.io mobile ecosystem (iOS, React Native, and Expo Plugin). The team delivered location-focused capabilities, improved reliability, and enhanced API visibility across platforms, driving faster delivery of location features and better reuse of components. Key outcomes include developer experience enhancements, reduced flaky tests, and broader API exposure to enable modular use of location functionality across modules and apps.

February 2026 saw cross-repo momentum across Android, iOS, Flutter, React Native, and Expo Plugin. Major deliverables include the Android User Identity Events System, broad OkHttp downgrades for stability and compatibility across mobile platforms, an iOS methodology refactor with performance improvements and tooling upgrades, and CI/CD modernization to Xcode 26 with updated macOS runners. Additionally, we introduced Cursor-based commands to streamline native SDK updates for Flutter and React Native, reinforcing sustainable maintenance and release workflows.

January 2026 monthly summary: Delivered cross-platform real-time in-app messaging using Server-Sent Events (SSE) across iOS, Android, React Native, and Flutter. Implemented robust SSE with connection management, automatic retries, and lifecycle handling, complemented by enhanced logging for observability. Upgraded dependencies and SDKs to support SSE and modern tooling (RN Babel/Node.js, Android SDK in Flutter, and Customer.io SDKs) to ensure compatibility and performance. Result: real-time, state-aware message delivery tied to user state and app lifecycle, driving higher engagement and responsiveness while maintaining stability across platforms.

Month: 2025-12 | Repository: customerio/customerio-flutter Key features delivered: - Android Build Compatibility Upgrade: Upgraded compileSdk to 36 and added AndroidX dependencies to maintain compatibility with the latest AndroidX requirements. Major bugs fixed: - Implemented a fix to bump Android compileSdk to 36 for AndroidX compatibility (commit reference included below) to resolve compatibility issues with recent Android changes. Overall impact and accomplishments: - Ensured the Flutter Android module remains compatible with current and upcoming Android releases, reducing build failures and enabling continued product development and releases. Technologies/skills demonstrated: - Android Gradle Plugin configuration, AndroidX integration, compileSdk management, and change validation in a Flutter project, with version-controlled commits. Commit reference for traceability: - 5b8f9725b0a8df3d99e4b53833a0d1c2f1d4b6fb (fix: Bump Android compileSdk to 36 for AndroidX compatibility (#297))

October 2025: Delivered cross-platform reliability and testing enhancements for Customer.io across Flutter, React Native, Android, iOS, and the Expo plugin. Implemented platform/tooling upgrades (Kotlin, Android Gradle Plugin, Gradle) and Firebase integration via a CioFirebaseWrapper, enabling consistent Firebase services across platforms. Introduced tabbed inline message testing UIs in Flutter and React Native to accelerate UI validation and performance profiling. Moved push delivery receipts processing to the Android background (WorkManager) with asynchronous metrics and updated core SDKs (Android 4.10.2/4.11.0) plus json gem 2.15.1 to improve reliability. Modernized iOS architecture by decoupling direct Firebase dependencies and adding a CioFirebaseWrapper, with CI workflow improvements and iOS push initialization fixes in the Expo plugin and RN ecosystem.

2025-09 monthly summary: Delivered focused enhancements and stability fixes across React Native, Android, and Flutter clients to improve in-app messaging reliability, testing workflows, and platform compatibility. Key outcomes include fixes to enable programmatic dismissal of in-app messages in legacy RN, a new Android Kotlin/Compose testing UI with tabbed inline messaging scenarios, and essential platform upgrades to align Android SDKs and Flutter dependencies across projects.

August 2025 across Flutter, iOS, React Native, and Android centered on cross‑platform API stability, developer experience, and reliability improvements. Delivered automated API-stability checks, expanded public API surface, cross‑platform API alignment, structured initialization for safer SDK setup, and enhanced push deep linking and reliability. Business value includes reduced API drift risk, faster onboarding, and consistent integration patterns across platforms.

July 2025 performance highlights across the customerio SDKs focused on cross-platform notification improvements, API stability automation, and platform modernization to reduce integration risk and improve business value. Key outcomes include enhanced iOS push handling for Expo with non-swizzling push support and tests, configurable Android local notification channels across Expo plugin, React Native, and Android, a major RN upgrade with dependency modernization, automated public API stability checks across iOS/Android/React Native/Flutter, and robust JSON numeric type preservation in sanitization.

June 2025 performance summary: Delivered cross-platform data integrity and UI reliability improvements for the Customer.io SDKs. Focused on ensuring correct message rendering and robust JSON data, reducing error-prone transmissions and data quality issues across iOS and Android.

May 2025 monthly summary: Cross-platform observability enhancements and logging overhauls, local publishing workflow improvements, and Expo plugin compatibility updates. Delivered across Android, iOS, and Expo plugin with a focus on business value through improved debugging, reliability, and faster local development.

April 2025 performance summary for the SDK/SDK-adjacent repositories focused on reliability, automation, and developer experience. Delivered targeted bug fixes, streamlined CI/CD workflows, and post-deployment publish capabilities across React Native, Expo, Flutter, iOS, and Android repos. Stabilized build and release pipelines to reduce missed triggers, improved diagnosability for in-app components, and introduced tooling to simplify local testing. The work enables faster, more reliable SDK releases with better visibility into failures and fewer manual steps for developers and release engineers.

March 2025: Delivered base iOS push notification support via FCM with APN provider integration for the customerio-expo-plugin, including conditional dependencies, GoogleService-Info.plist handling, and integration with existing Expo/Customer.io notification flows. Implemented safeguards and tests to improve reliability (prevent duplicate Firebase init calls, prevent double copying of GoogleService-info.plist), plus CI-tested FCM/APN flows and an iOS sample app. Advanced release readiness for plugin v2.0 with CI/CD workflow updates, master-branch support, and a breaking-change indicator, including reverting the 1.0.0 prep. These changes improve reliability, streamline releases, and enable multi-Expo-version compatibility.

February 2025: Delivered cross-repo CI/CD enhancements to support SDK release workflows for Expo and Flutter, plus a targeted bug fix to improve in-app modal scrolling. Implemented reusable release workflows for SDK distribution, modernized Android/Kotlin and Flutter dependencies, and added environment-variable management for test apps. The changes improve release velocity, consistency, and sample-app reliability across platforms.

January 2025 saw cross-repo delivery focused on user experience, reliability, and developer enablement across Android, iOS, React Native, Expo, and Flutter. Key features include: (1) In-App Messaging Overlay Color Support implemented for Android and iOS with a new color field in message payloads and updates to parsing/animation to apply the color; (2) Internal Payload Refactor for Device Update/Delete Events introducing a nested device object (token and android type) to improve payload consistency and test coverage; (3) SDK maintenance through upgrades to latest stable native SDKs across React Native and Flutter ecosystems to enhance stability and feature parity; (4) Developer onboarding improvements with an Apps README detailing build/run steps across sample apps; (5) iOS reliability enhancements, including overlay color bug fixes, inline In-App Messages test page (SwiftUI), and safe area constraint fixes. Overall impact includes improved user experience for in-app messaging, more robust event data, streamlined onboarding, and up-to-date SDKs that reduce risk and accelerate delivery. Technologies demonstrated include Android/iOS native (Swift/SwiftUI, Kotlin/Java), React Native, Expo, Flutter, and modern testing/CI practices.

December 2024 performance summary focusing on delivering robust Expo plugin integration, test app scaffolding, CI/CD and release automation, and Android UX enhancements plus analytics. Achievements translate to business value through reduced integration risk, faster release cycles, improved UX, and richer lifecycle insights.

Monthly work summary for 2024-11 focusing on key accomplishments, top deliverables, and business impact across Android and Expo plugin repositories.