Senior Backend Developer (Card Payment Systems)

Overview

Role involves developing and managing backend services for card payment systems.

Ideal candidate has 5+ years of experience in software development with strong C# and .NET skills.

Locations

• Turkey, İstanbul, Istanbul

Requirements

• 5+ years of experience
• Bachelor's degree in Computer Engineering or related field
• Strong experience in C# and .NET Core
• Solid command of SQL/PL-SQL
• Prior banking or fintech experience preferred

Responsibilities

• Develop card platform services
• Integrate with payment schemes
• Manage card lifecycle and transactions
• Support authentication flows
• Process transactions with high availability