activemerchant/active_merchant
Nov 2024 – Jun 2025
3 Months active
Languages Used
RubyJSON
Technical Skills
API IntegrationPayment Gateway IntegrationRuby on RailsTestingAPI ValidationBackend Development
jherreraa
PROFILE
Jherreraa
Johan Herrera contributed to the activemerchant/active_merchant repository by enhancing payment gateway integrations and improving transaction reliability. Over three months, he delivered features such as expanded Litle gateway compatibility and robust validation for Stripe Payment Intents, using Ruby and JSON to ensure accurate API interactions. Johan addressed critical bugs in Worldpay idempotency handling, refining key generation and error messaging to prevent duplicate charges and align with API expectations. His work included backend development and comprehensive test coverage, particularly for refund mapping and address validation across gateways like Nuvei and Rapyd, demonstrating a thoughtful approach to reducing production risk and improving reconciliation accuracy.
Overall Statistics
Feature vs Bugs
50%Features
Repository Contributions
7Total
Bugs
3
Commits
7
Features
3
Lines of code
194
Activity Months3
Your Network
18 people
Work History
June 2025
3 Commits • 2 Features
Jun 1, 2025June 2025 monthly summary focused on strengthening payment flows, validation, and refund accuracy across Active Merchant gateways. Delivered concrete features, fixed critical validation issues, and expanded test coverage to reduce production risk and improve reconciliation. The work underscored business value by improving robustness of payment captures, enabling partial address processing with valid checks, and ensuring refunds map correctly to transactions across Nuvei, Rapyd, and Stripe integrations.
3 Commits • 2 Features
Jun 1, 2025June 2025 monthly summary focused on strengthening payment flows, validation, and refund accuracy across Active Merchant gateways. Delivered concrete features, fixed critical validation issues, and expanded test coverage to reduce production risk and improve reconciliation. The work underscored business value by improving robustness of payment captures, enabling partial address processing with valid checks, and ensuring refunds map correctly to transactions across Nuvei, Rapyd, and Stripe integrations.
June 2025
December 2024
1 Commits
Dec 1, 2024Month: 2024-12 — Focused on stabilizing payment idempotency handling and Worldpay integration in activemerchant/active_merchant. Reverted an earlier adjustment and ensured the provided Worldpay idempotency key is used directly, improving correctness of idempotent operations. Updated test coverage to reflect expected error codes and messages, enabling regression protection and faster troubleshooting.
December 2024
1 Commits
Dec 1, 2024Month: 2024-12 — Focused on stabilizing payment idempotency handling and Worldpay integration in activemerchant/active_merchant. Reverted an earlier adjustment and ensured the provided Worldpay idempotency key is used directly, improving correctness of idempotent operations. Updated test coverage to reflect expected error codes and messages, enabling regression protection and faster troubleshooting.
November 2024
3 Commits • 1 Features
Nov 1, 2024November 2024 achievements for activemerchant/active_merchant focused on gateway integration robustness and reliability improvements. Key features delivered include Litle gateway compatibility enhancements with support for additional success codes and alternate success response tests. Major bugs fixed include Worldpay idempotency key handling to prevent duplicate keys across authorize→capture and sequential flows, with updated test coverage. These changes reduce the risk of duplicate charges, improve reconciliation, and strengthen regression safety through expanded test coverage.
3 Commits • 1 Features
Nov 1, 2024November 2024 achievements for activemerchant/active_merchant focused on gateway integration robustness and reliability improvements. Key features delivered include Litle gateway compatibility enhancements with support for additional success codes and alternate success response tests. Major bugs fixed include Worldpay idempotency key handling to prevent duplicate keys across authorize→capture and sequential flows, with updated test coverage. These changes reduce the risk of duplicate charges, improve reconciliation, and strengthen regression safety through expanded test coverage.
November 2024
Activity
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Quality Metrics
Correctness81.4%
Maintainability82.8%
Architecture80.0%
Performance68.6%
AI Usage20.0%
Skills & Technologies
Programming Languages
JSONRuby
Technical Skills
API IntegrationAPI ValidationBackend DevelopmentPayment Gateway IntegrationRuby on RailsTesting
Repositories Contributed To
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