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Andrew Kos

PROFILE

Andrew Kos

Akos developed and integrated advanced PayPal payment flows in the paypal-examples/v6-web-sdk-sample-integration repository over a two-month period. He engineered an end-to-end iframe-based payment system using JavaScript, HTML, and CSS, supporting multiple presentation modes and robust session lifecycle management. His work included implementing cross-origin messaging with the postMessage API and building a lightweight API proxy to stabilize communication between merchant pages and PayPal. Akos also delivered guest checkout sample integrations, reducing onboarding friction for merchants by providing clear integration patterns. The solutions demonstrated depth in front-end development, focusing on reliability, accessibility, and improved developer and end-user experiences.

Overall Statistics

Feature vs Bugs

100%Features

Repository Contributions

10Total
Bugs
0
Commits
10
Features
2
Lines of code
2,977
Activity Months2

Work History

September 2025

1 Commits • 1 Features

Sep 1, 2025

September 2025 monthly summary focusing on PayPal Guest Payments sample integrations in the v6 Web SDK. Delivered a set of guest checkout sample integrations to reduce merchant onboarding friction and accelerate time-to-value for PayPal's guest checkout experience. The work includes an on-page-load integration, a recommended integration, and a shipping callbacks integration, enabling guest checkout flows without requiring users to log in to PayPal. The feature is tracked under repo paypal-examples/v6-web-sdk-sample-integration with commit a100b4ac6c6020bb5ffef78487f6b6cccf88a992 (Guest checkout examples (#73)).

March 2025

9 Commits • 1 Features

Mar 1, 2025

March 2025 monthly summary for the paypal-examples/v6-web-sdk-sample-integration repository. Delivered an end-to-end PayPal iframe-based payment flow with multiple presentation modes, robust session lifecycle handling, and cross-origin messaging, aimed at improving checkout reliability and developer experience. Highlights include UX and accessibility enhancements, a lightweight API proxy, and a cleanup of messaging logic to prevent instability in iframe communication.

Activity

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Quality Metrics

Correctness85.0%
Maintainability84.0%
Architecture80.0%
Performance76.0%
AI Usage20.0%

Skills & Technologies

Programming Languages

CSSHTMLJavaScriptMarkdown

Technical Skills

API IntegrationCSSFront End DevelopmentFront-end DevelopmentHTMLIframe CommunicationJavaScriptPayPal IntegrationPostMessage APIProxy ConfigurationWeb ComponentsWeb SDKiframe Integration

Repositories Contributed To

1 repo

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

paypal-examples/v6-web-sdk-sample-integration

Mar 2025 Sep 2025
2 Months active

Languages Used

CSSHTMLJavaScriptMarkdown

Technical Skills

API IntegrationCSSFront End DevelopmentFront-end DevelopmentHTMLIframe Communication

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