Senior.NET Developer

On-siteSalary not specified
Poland

Tech Stack

C#.NETSQL

Job Description, Responsibilities & Requirements

About the Position

ELEKS Software Engineering and Development Office is looking for a Senior.NET Developer in Poland or Ukraine.


About the 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.


Responsibilities

  • Lead the system maintenance and continuous improvement
  • Lead design and development of new system areas, processes, and business logic
  • Resolve technical issues and ensure system stability
  • Ensure adherence to coding standards, architecture principles, and best practices
  • Conduct code reviews and guide refactoring efforts
  • Ensure knowledge sharing, collaboration, and mentorship for new developers
  • Collaborate with stakeholders to define scope, timelines, and deliverables
  • Track progress, manage risks, and ensure timely delivery
  • Support deployment and post-release monitoring
  • Ensure technical documentation and knowledge capture

Requirements

  • 5+ years of experience in software development
  • Good understanding and hands-on experience with ASP.NET WebForms
  • Willingness to work with custom-developed framework based on ASP.NET WebForms (with introduced controller concept) and utilizing ASP.NET / 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 page updates
  • Understanding of custom ORM patterns and how they interact with LINQ and SQL
  • Experience with implementing a custom ORM built on top of LINQ
  • Upper-Intermediate level of English

What You Will Get with ELEKS

  • Close cooperation with a customer
  • Challenging tasks
  • Competence development
  • Ability to influence project technologies
  • Team of professionals
  • Dynamic environment with low level of bureaucracy

About ELEKS

ELEKS is a custom software development company. We deliver value to our clients, thanks to our expertise and experience gained from working as a software innovation partner since 1991.

Our 2000+ professionals located in the Delivery Centers across Eastern Europe and sales offices in Europe and North America, provide our clients with a full range of software engineering services. These include product development, QA, R&D, design, technology consulting, and dedicated teams.


Diana Shnitsar

Recruiter Contacts

[email protected]

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Job Details

Company name:
Eleks
Location:
Poland
Employment Type:
Full-time
Work Mode:
On-site
Posted on TheJob:
6/12/2026
Last checked:
6/12/2026
Posted on the source:
10/6/2025
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