Platform .NET Developer – Payments Solutions

Worldline; Fatih; On-site; TRY 350,000 - 520,000; Full time

Job summary

Worldline is seeking a Platform Software Developer to join our Brand team in Turkey. You will contribute to end-to-end Terminal Management System development and Android core services, while supporting operation modules and reporting to meet government and client needs.

You will work in a fast-paced, 24/7 environment, applying strong database, security, and integration skills. The role emphasizes collaboration, quality, and continuous improvement within a global payments technology leader.

Qualifications

• Engineering degree or equivalent.
• 3+ years of experience with databases.
• Strong hands-on C#/.NET, ASP.NET MVC, SQL Server, T-SQL, and Stored Procedures.
• Knowledge of OOP, .NET Core, Web Services, and Git/TFS.
• Knowledge of socket programming, encryption, and ELK is a plus.
• Experience with HTML5, CSS, jQuery, XML, JSON, and Angular is a plus.
• Experience in critical 24/7 environments.
• Strong analytical and teamwork skills.
• Proactive, methodical, and able to work under pressure.

Responsibilities

• Develop end-to-end Terminal Management System.
• Develop Android terminals' core services within the current framework needs.
• Develop necessary operation and lifecycle management modules.
• Develop reports for internal teams, customer needs, and government mandates.
• Support the QA process (internal / on 3rd Parties / Customers), pilot installations.

Skills

C#/.NET

ASP.NET MVC

SQL Server

T-SQL

Stored Procedures

OOP

.NET Core

Web Services

Git/TFS

HTML5

CSS

jQuery

Angular

XML

JSON

Socket programming

Encryption

ELK

Education

Engineering degree or equivalent

Tools

Git/TFS

Job description

Worldline is seeking a Platform Software Developer to join our Brand team in Turkey. You will contribute to end-to-end Terminal Management System development and Android core services, while supporting operation modules and reporting to meet government and client needs.

You will work in a fast-paced, 24/7 environment, applying strong database, security, and integration skills. The role emphasizes collaboration, quality, and continuous improvement within a global payments technology leader.