eService Sp. z o.o. is a leading payment technology and merchant acquiring company in Poland and Central and Eastern Europe. Operating for nearly 25 years, the company specializes in payment card acceptance, electronic transaction processing, and omnichannel payment solutions for in-store and online commerce, including POS terminals and e-commerce payment gateways. eService supports the growth of cashless payments among businesses, public institutions, and local governments. The company is a joint venture between Global Payments Inc., a Fortune 500 global payments technology company with approximately 27,000 employees worldwide, and PKO Bank Polski. eService emphasizes innovation, customer focus, collaboration, and continuous improvement, operating within a global and inclusive culture driven by teamwork and technological excellence.

Quick Facts
- Role: Senior IT Application Administrator

Description
Develop and maintain Microsoft .NET applications using MS SQL Server and React. Help with automation via PowerShell scripts, analyze requested functional enhancements, design new solutions, and collaborate with deployment and QA teams.

Benefits
- Opportunity to build and grow your career in a global, inclusive environment.
- Dynamic development and learning within a continually expanding team.
- Strong emphasis on teamwork and innovation.

<h2 class="font-semibold">Quick Facts</h2><ul><li>Role: Senior IT Application Administrator</li></ul><h2 class="font-semibold">Description</h2><p>Develop and maintain Microsoft .NET applications using <em>MS SQL Server</em> and <em>React</em>. Help with automation via <em>PowerShell</em> scripts, analyze requested functional enhancements, design new solutions, and collaborate with deployment and QA teams.</p><h2 class="font-semibold">Benefits</h2><ul><li>Opportunity to build and grow your career in a global, inclusive environment.</li><li>Dynamic development and learning within a continually expanding team.</li><li>Strong emphasis on teamwork and innovation.</li></ul>

Senior IT Application Administrator

Develop and maintain .NET applications and related services, working with MS SQL Server and React. Participate in automation scripting with PowerShell, analyze and design functional enhancements, and collaborate with deployment and QA teams. Requires hands-on experience with T-SQL, ORM (Entity Framework/Dapper), Web APIs, and strong web/frontend fundamentals.

Senior IT Application Administrator

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