Senior Backend Engineer - Fintech Payments (C#/.NET)

Gini Talent Inc.; Fatih; Sur place; TRY 400 000 - 700 000; Plein temps

Résumé du poste

Gini Talent is seeking an experienced Senior Backend Engineer to join one of our fintech clients in Istanbul, Turkey. You will design, develop, and maintain scalable backend systems using C#/.NET and microservices.

You will work on high‑volume, transaction‑intensive applications, focusing on performance, reliability, and clean code aligned with SOLID principles and modern design patterns. English communication is essential.

Qualifications

• Bachelor's degree in a relevant field.
• Strong backend/web application development experience, preferably with C#/.NET.
• Hands-on experience with microservices architecture and distributed systems.
• Experience building scalable, high-performance, transaction-intensive applications.
• Solid understanding of OOP, SOLID, design patterns, asynchronous programming, and concurrency.
• Ability to write clean, readable, maintainable, and testable code.
• Strong analytical thinking, problem solving, collaboration and ownership.
• Excellent written and verbal English communication.

Responsabilités

• Design, develop, and maintain scalable, reliable, and high-performance backend applications.
• Develop backend solutions supporting payment technologies and transaction-intensive systems.
• Collaborate with C++ developers, embedded software engineers, and cross-functional teams.
• Optimize databases, application infrastructure, and system performance.
• Troubleshoot technical issues and improve system reliability and efficiency.
• Contribute to software architecture, technical design decisions, and development best practices.
• Apply object-oriented programming, design patterns, asynchronous programming, concurrency, and transaction management.
• Ensure clean, maintainable, testable code following SOLID principles.
• Translate business requirements into effective technical solutions.

Connaissances

Backend development

C#/.NET

Microservices

Distributed systems

OOP & SOLID

Asynchronous programming

Concurrency

Design patterns

Testing & maintainable code

English communication

Formation

Bachelor's degree in Computer Engineering

Bachelor's degree in Software Engineering

Bachelor's degree in Computer Science

Description du poste

Gini Talent is seeking an experienced Senior Backend Engineer to join one of our fintech clients in Istanbul, Turkey. You will design, develop, and maintain scalable backend systems using C#/.NET and microservices.

You will work on high‑volume, transaction‑intensive applications, focusing on performance, reliability, and clean code aligned with SOLID principles and modern design patterns. English communication is essential.