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Andrii Mamchenko

PROFILE

Andrii Mamchenko

Over nine months, contributed to the Adyen/adyen-ios and Adyen/adyen-android repositories by building modular SDK features, modernizing payment flows, and improving localization, theming, and validation architecture. Delivered modular CocoaPods integration, centralized theming with dynamic UI updates, and streamlined address handling to enhance developer experience and maintainability. Expanded test coverage and documentation, aligned validation behavior across platforms, and introduced thread-safe localization warnings. Used Swift, Kotlin, and Ruby to implement API refinements, secure payment protocols, and cross-platform migration guides. Focused on code quality, configuration management, and CI reliability, enabling faster onboarding, reduced integration risk, and consistent user experiences across mobile platforms.

Overall Statistics

Feature vs Bugs

85%Features

Repository Contributions

199Total
Bugs
10
Commits
199
Features
55
Lines of code
335,914
Activity Months9

Your Network

59 people

Work History

July 2026

11 Commits • 4 Features

Jul 1, 2026

July 2026 monthly summary focused on documentation clarity, API migration readiness, and dependency-management discipline across Android and iOS repos to de-risk v6 rollout. Key improvements centered on server-side session controls, API naming/migration guidance, and Renovate-based dependency scanning aligned with active development pipelines.

June 2026

28 Commits • 8 Features

Jun 1, 2026

June 2026 performance snapshot: Implemented cross-platform improvements across iOS and Android focused on UI theming, redirect control, stored card handling, and security, complemented by enhanced documentation and migration guidance to accelerate onboarding and reduce integration risk. Key updates include a centralized CheckoutColors theming framework on iOS with dynamic UI updates and API refinements, RedirectDetails API expansion to replace deprecated redirects, improved stored card handling in checkout, and a secure payment submission path. Android v6 Compose-first API docs and migration guides were published with theming examples to support faster adoption. Notable reliability improvement: iOS 16.4 UIColor test assertions were corrected for CGColor comparisons.

May 2026

10 Commits • 4 Features

May 1, 2026

May 2026 summary: Delivered cross-platform consistency and localization reliability across Adyen Android and iOS, with a focus on developer experience, onboarding, and maintainability. Key features include cross-platform PR template reminders on Android, a centralized iOS Localization Warning System with thread-safe emitted warnings and tests, checkout-wide localization support with a streamlined CheckoutConfiguration, and comprehensive v6 SDK documentation/migration guidance. These efforts reduce localization gaps, improve API parity, simplify configuration, and accelerate integration for partners and internal teams.

March 2026

11 Commits • 3 Features

Mar 1, 2026

Month: 2026-03 | Adyen/adyen-ios This month focused on strengthening address handling, UI theming, and test infrastructure to improve localization, reliability, and maintainability. Key features delivered include locale-aware address formatting with a streamlined address picker, and extensive UI/test refinements to support dynamic theming and appearance refresh. Repository hygiene improvements were also implemented to reduce noise and improve CI stability. The work enhances global user experience, reduces risk of formatting regressions, and provides a solid foundation for future UI and localization enhancements.

February 2026

27 Commits • 7 Features

Feb 1, 2026

February 2026 highlights across iOS and Android focused on reliability, UX consistency, and developer efficiency through validation architecture improvements, expanded test coverage, and cleanup/migration work. Cross-platform efforts aligned validation behavior with WebSDK, introduced deterministic error handling with pinned codes, and improved lifecycle management for event subscriptions. Android saw substantial testing enhancements for card number validation and TextInputComponentState, improving feedback and stability during card entry. Overall, these changes reduce defect recurrence, accelerate release readiness, and enable clearer, more maintainable validation flows across platforms.

January 2026

21 Commits • 3 Features

Jan 1, 2026

January 2026 monthly summary focusing on key features delivered, major bug fixes, impact, and skills demonstrated. Highlights across iOS and Android include code formatting standardization, UI validation reliability improvements, and card brand visibility tests, which together improve maintainability and user experience in the payment flows.

December 2025

62 Commits • 22 Features

Dec 1, 2025

December 2025 monthly summary for Adyen/adyen-ios: Delivered substantial feature work, API and UI improvements, and stability fixes that enhance developer productivity, ensure consistent design with v6, and reduce risk in release cycles. Key outcomes include API surface refinements, SwiftFormat-driven header and internal config updates, UI/theme propagation, and documentation alignment for v6 ACH integration.

November 2025

17 Commits • 2 Features

Nov 1, 2025

November 2025: Focused on delivering flexible theming for SEPA Direct Debit and modernizing ACH Direct Debit with Checkout integration, resulting in a cohesive, testable, and merchant-friendly payment experience. The work established consistent UI theming, enhanced test coverage, and clear migration guidance to accelerate AdyenCheckout adoption.

April 2025

12 Commits • 2 Features

Apr 1, 2025

Monthly summary for 2025-04 focused on delivering a modularized Adyen iOS SDK podspec and improving CocoaPods compatibility, with a clear emphasis on business value, stability, and maintainability. The work enabled easier integration for developers, finer-grained module control, and more robust distribution readiness for the Adyen iOS SDK.

Activity

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Quality Metrics

Correctness97.6%
Maintainability94.4%
Architecture94.4%
Performance93.6%
AI Usage24.8%

Skills & Technologies

Programming Languages

KotlinMarkdownNoneObjective-CRubyShellSwiftXMLYAML

Technical Skills

API DesignAPI IntegrationAPI designAdyen SDK integrationAndroidAndroid DevelopmentAndroid SDKAndroid developmentAnimation HandlingCheckout integrationCocoaPodsCocoapods IntegrationCode FormattingCollaborationComponent Architecture

Repositories Contributed To

2 repos

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

Adyen/adyen-ios

Apr 2025 Jul 2026
9 Months active

Languages Used

Objective-CRubySwiftXMLMarkdownShellYAMLNone

Technical Skills

CocoaPodsCocoapods IntegrationMobile DevelopmentRubyXcode Project ConfigurationiOS Development

Adyen/adyen-android

Jan 2026 Jul 2026
5 Months active

Languages Used

KotlinMarkdown

Technical Skills

Android developmentKotlintestingunit testingCollaborationDocumentation