activemerchant/active_merchant
Nov 2024 – Jul 2025
9 Months active
Languages Used
JSONRuby
Technical Skills
API IntegrationBackend DevelopmentPayment Gateway IntegrationRuby on RailsAPI DevelopmentCredit Card Processing
Nhon Dang
PROFILE
Nhon Dang
During their tenure, Nhdang enhanced the activemerchant/active_merchant repository by delivering robust payment gateway features and targeted bug fixes. They focused on API development and integration, building out support for advanced payment flows such as 3D Secure, wallet-based reconciliation, and cross-border transactions. Using Ruby and JSON, Nhdang implemented new data fields, improved payload construction, and expanded test coverage to ensure reliability and maintainability. Their work addressed real-world merchant needs, such as flexible authorization, card brand expansion, and accurate refund tracking. The technical depth is evident in their careful data mapping, regression-safe testing, and consistent delivery of business-critical enhancements.
Overall Statistics
Feature vs Bugs
89%Features
Repository Contributions
25Total
Bugs
2
Commits
25
Features
16
Lines of code
1,345
Activity Months9
Your Network
26 people
Work History
July 2025
3 Commits • 2 Features
Jul 1, 2025July 2025: Focused delivery and stabilization of gateway enhancements in activemerchant/active_merchant. Implemented Worldpay refund reference field and optional Airwallex products, with accompanying test coverage to improve tracking, reconciliation, and order processing reliability.
3 Commits • 2 Features
Jul 1, 2025July 2025: Focused delivery and stabilization of gateway enhancements in activemerchant/active_merchant. Implemented Worldpay refund reference field and optional Airwallex products, with accompanying test coverage to improve tracking, reconciliation, and order processing reliability.
July 2025
June 2025
1 Commits
Jun 1, 2025June 2025: Stabilized the Ebanx gateway integration in activemerchant/active_merchant by correcting the payment payload field nesting and addressing data handling errors. Delivered a focused fix to ensure cof_info, device_id, and notification_url are nested correctly within the payment object, aligning with Ebanx expectations and reducing gateway errors.
June 2025
1 Commits
Jun 1, 2025June 2025: Stabilized the Ebanx gateway integration in activemerchant/active_merchant by correcting the payment payload field nesting and addressing data handling errors. Delivered a focused fix to ensure cof_info, device_id, and notification_url are nested correctly within the payment object, aligning with Ebanx expectations and reducing gateway errors.
May 2025
2 Commits • 1 Features
May 1, 2025May 2025 — activemerchant/active_merchant: Delivered gateway integrations enhancements focusing on StripePI descriptor suffix support and Cenpos purchase order tracking. Implemented optional kana/kanji descriptor suffix fields for StripePI and added a new purchase_order_number field for Cenpos API requests, with corresponding tests and payload updates to ensure correct behavior. Impact includes improved merchant data accuracy, streamlined reconciliation across gateways, and a better onboarding experience for global merchants. No major bugs fixed this month; efforts centered on feature delivery, payload design, and test coverage. Technologies demonstrated include Ruby, ActiveMerchant gateway logic, API payload construction, test-driven development, and Git-based collaboration.
2 Commits • 1 Features
May 1, 2025May 2025 — activemerchant/active_merchant: Delivered gateway integrations enhancements focusing on StripePI descriptor suffix support and Cenpos purchase order tracking. Implemented optional kana/kanji descriptor suffix fields for StripePI and added a new purchase_order_number field for Cenpos API requests, with corresponding tests and payload updates to ensure correct behavior. Impact includes improved merchant data accuracy, streamlined reconciliation across gateways, and a better onboarding experience for global merchants. No major bugs fixed this month; efforts centered on feature delivery, payload design, and test coverage. Technologies demonstrated include Ruby, ActiveMerchant gateway logic, API payload construction, test-driven development, and Git-based collaboration.
May 2025
April 2025
4 Commits • 3 Features
Apr 1, 2025April 2025 monthly summary for activemerchant/active_merchant focused on expanding gateway coverage, enhancing capture flows, and enabling flexible verification with zero-dollar transactions. Delivered new Discover card support for Decidir gateways, introduced optional merchant reference codes for CyberSource captures, and added Credorax gateway enhancements including zero-dollar verification and optional crypto currency type field across authorization, capture, void, and credit. These changes improve card acceptance, reconciliation flexibility, and risk controls while maintaining test coverage and backward compatibility.
April 2025
4 Commits • 3 Features
Apr 1, 2025April 2025 monthly summary for activemerchant/active_merchant focused on expanding gateway coverage, enhancing capture flows, and enabling flexible verification with zero-dollar transactions. Delivered new Discover card support for Decidir gateways, introduced optional merchant reference codes for CyberSource captures, and added Credorax gateway enhancements including zero-dollar verification and optional crypto currency type field across authorization, capture, void, and credit. These changes improve card acceptance, reconciliation flexibility, and risk controls while maintaining test coverage and backward compatibility.
March 2025
2 Commits • 2 Features
Mar 1, 2025March 2025 monthly delivery highlights for activemerchant/active_merchant. Focused on expanding gateway capabilities with robust data mapping for Nuvei and flexible authorization flows in CheckoutV2, backed by tests to ensure correctness and maintainability.
2 Commits • 2 Features
Mar 1, 2025March 2025 monthly delivery highlights for activemerchant/active_merchant. Focused on expanding gateway capabilities with robust data mapping for Nuvei and flexible authorization flows in CheckoutV2, backed by tests to ensure correctness and maintainability.
March 2025
February 2025
5 Commits • 2 Features
Feb 1, 2025February 2025 performance summary: Delivered critical gateway reliability and feature enhancements across Airwallex, Routex, and Stripe Payment Intents. Strengthened refund flows with payment_intent_id population, expanded card-brand detection to support 18-digit Routex numbers, and enhanced Stripe PI with Google Pay tokenization mapping, extended authorization, and Additional Fields (AFT). Comprehensive tests and changelog updates accompany these changes, improving payment accuracy, coverage, and business resilience.
February 2025
5 Commits • 2 Features
Feb 1, 2025February 2025 performance summary: Delivered critical gateway reliability and feature enhancements across Airwallex, Routex, and Stripe Payment Intents. Strengthened refund flows with payment_intent_id population, expanded card-brand detection to support 18-digit Routex numbers, and enhanced Stripe PI with Google Pay tokenization mapping, extended authorization, and Additional Fields (AFT). Comprehensive tests and changelog updates accompany these changes, improving payment accuracy, coverage, and business resilience.
January 2025
3 Commits • 2 Features
Jan 1, 2025January 2025 performance summary for activemerchant/active_merchant focusing on gateway integration enhancements, testing, and data fidelity improvements. Delivered two major gateway enhancements with explicit commit references, expanding support for additional data fields and flexible notification/override capabilities. The work strengthens merchant onboarding, improves payment data accuracy, and demonstrates solid testing coverage and cross-gateway compatibility.
3 Commits • 2 Features
Jan 1, 2025January 2025 performance summary for activemerchant/active_merchant focusing on gateway integration enhancements, testing, and data fidelity improvements. Delivered two major gateway enhancements with explicit commit references, expanding support for additional data fields and flexible notification/override capabilities. The work strengthens merchant onboarding, improves payment data accuracy, and demonstrates solid testing coverage and cross-gateway compatibility.
January 2025
December 2024
2 Commits • 2 Features
Dec 1, 2024December 2024 performance summary for activemerchant/active_merchant: Delivered gateway-level feature improvements with a focus on data propagation, authorization payloads, and test coverage. Implemented Wallet ID propagation for Decidir and DecidirPlus, enabling better transaction traceability and wallet-based reconciliation. Enhanced Adyen integration by adding fundingDestination and fundingSource to the authorize call, providing richer funding data for risk assessment and audit trails. Updated helper methods and tests to reflect changes, improving reliability and regression safety.
December 2024
2 Commits • 2 Features
Dec 1, 2024December 2024 performance summary for activemerchant/active_merchant: Delivered gateway-level feature improvements with a focus on data propagation, authorization payloads, and test coverage. Implemented Wallet ID propagation for Decidir and DecidirPlus, enabling better transaction traceability and wallet-based reconciliation. Enhanced Adyen integration by adding fundingDestination and fundingSource to the authorize call, providing richer funding data for risk assessment and audit trails. Updated helper methods and tests to reflect changes, improving reliability and regression safety.
November 2024
3 Commits • 2 Features
Nov 1, 2024Month: 2024-11 — Focused gateway improvements in activemerchant/active_merchant to improve 3D Secure status accuracy and cross-border payment flexibility. Delivered concrete changes to Stripe and DLocal integrations, enhancing user experience and merchant control over payment verification flows.
3 Commits • 2 Features
Nov 1, 2024Month: 2024-11 — Focused gateway improvements in activemerchant/active_merchant to improve 3D Secure status accuracy and cross-border payment flexibility. Delivered concrete changes to Stripe and DLocal integrations, enhancing user experience and merchant control over payment verification flows.
November 2024
Activity
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Quality Metrics
Correctness97.6%
Maintainability98.4%
Architecture98.4%
Performance96.0%
AI Usage20.0%
Skills & Technologies
Programming Languages
JSONRuby
Technical Skills
API DevelopmentAPI IntegrationBackend DevelopmentCredit Card ProcessingGateway IntegrationPayment Gateway IntegrationRegular ExpressionsRuby on RailsTesting
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