Backend Developer

A company is looking for a Backend Developer to maintain and enhance their payment processing platform.

Key Responsibilities

Develop and maintain backend services for card payment processing using PHP (Symfony) and Golang

Integrate and support payment service providers (PSPs) and acquirers

Design and implement scalable, event-driven architectures for high-load payment systems

Required Qualifications

3+ years of backend development experience with PHP and / or Golang in production environments

Hands-on experience with card payment processing and PSP / acquirer integrations

Understanding of payment flows : authorization, capture, refunds, chargebacks, and reconciliation

Strong knowledge of OOP principles, design patterns, and clean architecture

Proficiency in SQL, database design, and performance optimization