Senior.NET DeveloperPoland, UkraineSoftware Engineering,.NET.

Eleks • Poland, Poland • Posted June 21, 2026

Position Overview

ELEKS is looking for a Senior .NET Developer in Poland or Ukraine.

ABOUT PROJECT


It’s a long term project that helps to maintain government facilities on the Channel Islands. The systems include testing for driving license, car registration, fines from video registration; taxation for real estate; users space; custom facilities.


REQUIREMENTS

  • 5+ years of experience in software development

  • Good understanding and hands-on experience with WebForms

  • Willingness to work with custom-developed framework based on WebForms (with introduced controller concept) and utilizing / AJAX

  • Proficiency in C#, T-SQL

  • Deep understanding of .NET Framework 4.8 and .NET Core internals

  • Experience with reflection, dynamic loading, and custom control libraries

  • Ability to work with ViewState, PostBack, and server-side controls

  • Familiarity with AJAX Extensions and partial...