PHP Payment Gateway Integration Module
Employer
Igor
Project parameters
Type of cooperationOne-time project
SectionWeb development
Prepaymentwithout prepayment
Payment methodsCash, Bank transfer
Acceptance of requestsfrom yesterday, 18:18 until Sep 8, 2026
Project description
Project Overview
We need a senior PHP developer to integrate a payment gateway API into our existing web platform. The module must handle transaction initiation, status callbacks via webhooks, refunds, and full audit logging.
Requirements
— PHP 7.4+ compatible module
— Webhook endpoint with HMAC signature verification
— Transaction status polling fallback
— Refund and partial refund support
— Admin panel for transaction history
— Unit tests for core logic
Deliverables
— Standalone PHP module (PSR-4)
— OpenAPI documentation
— Integration guide
Budget negotiable for the right candidate.
We need a senior PHP developer to integrate a payment gateway API into our existing web platform. The module must handle transaction initiation, status callbacks via webhooks, refunds, and full audit logging.
Requirements
— PHP 7.4+ compatible module
— Webhook endpoint with HMAC signature verification
— Transaction status polling fallback
— Refund and partial refund support
— Admin panel for transaction history
— Unit tests for core logic
Deliverables
— Standalone PHP module (PSR-4)
— OpenAPI documentation
— Integration guide
Budget negotiable for the right candidate.
