T

TSYS

Payment processing, gateways, and card services

.NET Developer

Full-Stack EngineeringPosted on Nov 9
Full-timeWarsaw, PolandNo salary listedHybrid

About the Job

Requirements

  • At least 2 years of experience in a similar position.
  • Practical knowledge of T-SQL and Microsoft SQL Server databases.
  • Very good knowledge of ORM technologies, including Entity Framework and Dapper.
  • Knowledge of HTML, CSS, JavaScript, and React.
  • Ability to create and develop Web APIs.
  • Practical knowledge of design patterns.
  • Experience working with Git.
  • English and Polish language skills at a level enabling fluent communication, minimum B2.

Responsibilities

  • Create and develop applications using Microsoft .NET, Microsoft SQL Server, and React.
  • Participate in preparing automation scripts using PowerShell.
  • Analyze submitted requests for functional enhancements.
  • Design new solutions.
  • Collaborate with implementation and QA teams.

About the Company

TSYS

Payment processing, gateways, and card services

TSYS provides payment processing and related solutions for banks, merchants, and consumers. It operates through Issuer Solutions, Merchant Solutions, and Consumer Solutions (Netspend), handling card processing, mobile payments, and online gateways like MultiPASS and Authorize.Net. It differentiates itself with a large North American footprint (about 40% third-party market share for issuing banks) and a history of acquisitions (Netspend, TransFirst) and a Global Payments merger that expanded its reach to millions of merchants and hundreds of institutions. Its goal is to deliver a complete, secure payments infrastructure that supports efficient processing, broad reach, and omnichannel payment options.

Company size
5,001-10,000
Company stage
IPO
Headquarters
Columbus, GA
Founded
1983

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