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Alex Graffeo-Cohen

PROFILE

Alex Graffeo-cohen

Over a three-month period, contributed to the Shopify/ui-extensions repository by building targeted features for the Point of Sale (POS) system using TypeScript and React. Developed a POS receipt header rendering extension, enabling merchants to customize receipt layouts directly within the POS interface. Enhanced transaction data interfaces by adding optional return and refund identifiers, improving returns and refunds tracking without disrupting existing APIs. Introduced DiscountAllocation support to CartLineItem APIs, allowing precise per-line-item discount attribution and aligning with Storefront API semantics. Demonstrated disciplined API design, clear commit practices, and a focus on backward compatibility while maintaining a lean, maintainable codebase.

Overall Statistics

Feature vs Bugs

100%Features

Repository Contributions

3Total
Bugs
0
Commits
3
Features
3
Lines of code
33
Activity Months3

Work History

September 2025

1 Commits • 1 Features

Sep 1, 2025

Month 2025-09: Delivered a targeted API enhancement in Shopify/ui-extensions, adding DiscountAllocation support to CartLineItem in Point of Sale extensions. This enables precise per-line-item discount attribution and aligns with Storefront API semantics, improving pricing accuracy, merchant analytics, and cross-system consistency while maintaining backward compatibility and a lean release footprint.

August 2025

1 Commits • 1 Features

Aug 1, 2025

August 2025 – Focused on strengthening returns and refunds data flows in the POS, delivering a targeted interface enhancement that improves tracking, reconciliation, and analytics for merchants. Resulted in clearer returns/refunds data without API disruption.

July 2025

1 Commits • 1 Features

Jul 1, 2025

July 2025 – Focused on delivering a targeted POS extension feature in Shopify/ui-extensions and establishing a foundation for configurable receipt headers in POS workflows. This enables merchants to customize receipt layouts directly within the Point-of-Sale experience, reducing integration effort and speeding time-to-market for POS UI changes. No major bugs fixed this month; maintenance work was limited to alignment with existing patterns. Key achievements demonstrate solid TypeScript/React-based extension development, clear commit traceability, and adherence to established extension architecture.

Activity

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Quality Metrics

Correctness100.0%
Maintainability100.0%
Architecture100.0%
Performance100.0%
AI Usage20.0%

Skills & Technologies

Programming Languages

TypeScript

Technical Skills

API DesignAPI DevelopmentFront-end DevelopmentInterface DefinitionTypeScript

Repositories Contributed To

1 repo

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

Shopify/ui-extensions

Jul 2025 Sep 2025
3 Months active

Languages Used

TypeScript

Technical Skills

API DesignFront-end DevelopmentInterface DefinitionTypeScriptAPI Development