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Hamish Morgan

PROFILE

Hamish Morgan

Hamish Morgan contributed to Shopify’s tapioca and extensions-templates repositories, focusing on backend improvements and API modernization. He enhanced Tapioca DSL’s constant processing by enforcing stricter Module-only parsing and optimizing performance with Ruby, which improved RBI generation accuracy and build speed. In the extensions-templates repository, Hamish upgraded fulfillment and delivery customization modules to the 2025-07 API version, refactored GraphQL queries, and migrated modules across Rust and TypeScript. His work improved maintainability, reliability, and future readiness of Shopify’s fulfillment and delivery flows. The depth of his contributions reflects a strong grasp of code generation, API integration, and cross-language backend development.

Overall Statistics

Feature vs Bugs

100%Features

Repository Contributions

12Total
Bugs
0
Commits
12
Features
4
Lines of code
2,132
Activity Months2

Work History

July 2025

10 Commits • 3 Features

Jul 1, 2025

July 2025 monthly summary for Shopify/extensions-templates focusing on API alignment, code quality, and future readiness. Delivered major API upgrades to 2025-07 across fulfillment constraints, delivery customization, and location rules, accompanied by cross-language module migrations (Rust/JS/WASM). Refactors reorganized inputs/exports and GraphQL queries while preserving core business logic. Prepared groundwork for future delivery option customization and tighter integration with Shopify Functions API. Improved maintainability, reliability, and alignment with new cart endpoints, enabling faster iteration and lower risk for upcoming features.

November 2024

2 Commits • 1 Features

Nov 1, 2024

2024-11 Monthly summary for Shopify/tapioca: Delivered Tapioca DSL Constant Processing Improvements focused on correctness, performance, and reliability. Stricter Module-only parsing was implemented to ensure only constants that extend Module are considered for RBI generation, accompanied by a new test validating RBI generation under these constraints. A performance optimization was introduced by replacing the slower #select{ is_a? } pattern with a faster grep(Module) approach, reducing DSL compilation time. These changes were implemented via two commits and collectively improve build speed, RBI accuracy, and developer confidence when evolving the Tapioca DSL.

Activity

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Quality Metrics

Correctness97.6%
Maintainability96.6%
Architecture95.0%
Performance95.0%
AI Usage20.0%

Skills & Technologies

Programming Languages

GraphQLLiquidRubyRustgraphqljavascriptliquidrusttypescript

Technical Skills

API IntegrationAPI VersioningCode GenerationCode RefactoringGraphQLGraphQL Schema DefinitionPerformance OptimizationRubyRuby on RailsRustRust ProgrammingShopify FunctionsTestingTypeScriptbackend development

Repositories Contributed To

2 repos

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

Shopify/extensions-templates

Jul 2025 Jul 2025
1 Month active

Languages Used

GraphQLLiquidRustgraphqljavascriptliquidrusttypescript

Technical Skills

API IntegrationAPI VersioningCode RefactoringGraphQLGraphQL Schema DefinitionRust

Shopify/tapioca

Nov 2024 Nov 2024
1 Month active

Languages Used

Ruby

Technical Skills

Code GenerationCode RefactoringPerformance OptimizationRubyRuby on RailsTesting

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