Job Description
Software .Net Developer

This is Worldline

We are the innovators at the heart of the payments technology industry, shaping how the world pays and gets paid. The solutions our people build today power the growth of millions of businesses tomorrow. From your local coffee shop to unicorns and international banks. From San Francisco to Auckland. We are in every corner of the world, in every part of commerce. And just as we help our customers accelerate their business, we are committed to helping our people accelerate their careers. Together, we shape the evolution.

The opportunity:

At Worldline Brand, our technology addresses the challenges of the payment world. We’ve established ourselves as a leading developer of creative software solutions for enabling a cashless society. If you are a highly skilled Platform Software Developer passionate about payments solutions, then get ready to join our company! We have many hardworking and dedicated peers that would love for you to work with them. We are committed to continuous improvement. We are always looking for new and innovative ways to improve quality, reduce costs, build excellent solutions, and grow customer happiness!

Day-to-Day Responsibilities​

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

Technical & Professional Expertise (Teknik ve Profesyonel Uzmanlık)

·       OOP Principles: A good understanding and practical application of Object-Oriented Programming (OOP) principles and design patterns.

·       Source Control: Working knowledge of source control systems and collaborative branching strategies (e.g., Git, TFS, etc.).

·       .NET Proficiency: Strong knowledge and hands-on experience with modern .NET (e.g., .NET 8 or latest) development, demonstrating familiarity with contemporary features and best practices.

·       Web Development & SPA: Solid experience in modern web development, particularly in building Single Page Applications (SPAs) using popular frameworks (e.g., React, Angular, Vue.js, or Blazor) and a strong command of HTML, CSS, and JavaScript/TypeScript.

·       Database Mastery (SQL): Deep expertise in Microsoft SQL Server, ANSI SQL, and Stored Procedures with T-SQL, coupled with proven experience utilizing Entity Framework Core for data access.

·       Asynchronous Programming: Solid understanding and practical experience in implementing efficient, scalable applications using Asynchronous Programming patterns.

·       API Development: Extensive experience in designing, developing, and consuming Web APIs, including proficiency with both RESTful Services and SOAP services.

·       Analytical Prowess: Possesses strong analytical skills, exceptional problem-solving ability, and a demonstrated capacity for stress-resistance.

·       Methodical Approach: Highly thorough, methodical, and business-minded, focusing on delivering reliable and high-quality solutions.

·       Project Execution: Proven track record of working effectively in a project context, including the ability to propose realistic planning and consistently adhere to schedules.

·       Team Collaboration: An excellent team player with strong communication skills, capable of collaborating effectively across multi-functional teams.

Advantageous Skills (A Plus)

·       Monitoring & Logging: Knowledge and experience with ELK stack (Elasticsearch, Logstash, Kibana) or similar logging and monitoring tools.

·       Frontend Technologies: Proficiency or familiarity with foundational frontend technologies: HTML5, CSS, jQuery, XML, and JSON know-how is a significant plus.

·       SPA Frameworks: Experience in building Single Page Applications (SPAs), specifically with Angular.

Shape the evolution.

We are on an exciting journey towards the next frontiers of payments technology, and we look for big thinkers, people with passion, can-do attitude and a hunger to learn and grow. Here you’ll work with ambitious colleagues from around the world, take on unique challenges as a team, and make a real impact on the society. With an empowering culture, strong technology and extensive training opportunities, we help you accelerate your career - wherever you decide to go. Join our global team of 18,000 innovators and shape a tomorrow that is yours to own.

 

Learn more about life at Worldline at careers.worldline.com

 

We are proud to be an Equal Opportunity employer. We do not discriminate based upon race, religion, color, national origin, sex (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender identity, gender expression, age, status as an individual with a disability, or any applicable legally protected characteristics.

 

 

Information at a Glance
Request ID:  302278
Posting Start Date:  12/12/25
Job Area:  Technology
Work Site:  Hybrid
Contract Type:  Permanent
Brand:  Worldline
Job Location:  Turkey - Istanbul