Career Opportunities: Senior .NET Developer (34264)

Work set-up: 
Full Remote
Contract: 
Experience: 
Senior (5-10 years)
Work from: 
Poland

Offer summary

Qualifications:

At least 4 years of experience in .NET development, including WPF and web applications., Strong skills in C# and familiarity with UI component libraries like DevExpress., Experience with integration patterns such as web services, messaging, REST, and XML interfaces., Proficiency in English, both spoken and written..

Key responsibilities:

  • Develop and maintain a rich .NET client interfacing with mainframe systems.
  • Implement changes driven by legal and regulatory updates in Danish public administration.
  • Enhance features like automated payouts, digital mail, and report generation.
  • Collaborate with backend specialists to ensure seamless workflows.

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KMD Poland SME https://www.kmdpoland.pl/
201 - 500 Employees
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Job description

 
 
 
Senior .NET Developer
Warsaw
 

Warsaw (Hybrid – Poland-based)

Contract: B2B | 120–160 PLN/hour net


 

About Us

 

KMD Boliglån is the market leader in managing loans for housing deposits in Denmark. We provide a comprehensive, feature-rich platform that handles everything from automated accounting and payouts to income verification, document workflows, and regulatory compliance. We are looking for a skilled .NET Developer to join our team to modernize, maintain, and enhance this high-impact solution.

 

 

Your Role

 

You will be part of an experienced, cross-functional development team that:

  • Develops and maintains a rich .NET client interfacing with a mainframe core (z/OS)
  • Implements changes driven by frequent legal/regulatory updates in Danish public administration
  • Enhances features like automated payouts, digital mail, credit/debit integration, report generation
  • Collaborates with backend specialists to ensure seamless workflows
  • Contributes to modernizing and optimizing codebases, tooling, and developer experience

 

 

Our Tech Stack

 

  • Client: C#, .NET, WPF, DevExpress WPF components
  • Web: ASP.NET MVC, ASP.NET Core
  • Integration: SOAP services (100+ webservices to Mainframe) and interaction with 3. Party services through a wide range of different technologies
  • Tools: Visual Studio with GitHub Copilot
  • DevOps & Workflow: Agile/Scrum, CI/CD, Azure DevOps, code reviews, Docker and Kubernetes
  • Mainframe: z/OS, DB2, CICS, PL/I, Batch, MQ, RDz (Eclipse IDE)

 

What We Expect From You

 

  • 4+ years of experience with .NET development, ideally WPF and Web based applications
  • Strong C# skills and a good understanding of UI component libraries (e.g., DevExpress)
  • Familiarity with integration patterns (web services, messaging, REST and XML-based interfaces)
  • Willingness to work in a hybrid architecture (.NET, Cloud, mainframe, Desktop and web clients)
  • Solid understanding of software design, data flows, and maintainability in large-scale systems
  • English proficiency (spoken and written)

 

 

Nice-to-Have Skills (Quick to Learn If You’re Not Familiar) 

 

  • Interest in public sector or regulated environments
  • Background in handling complex workflows, legal logic, or compliance-related solutions
  • Experience with GitHub Copilot

 

 

Why Join Us?

 

  • You are a team player, that wants to be part of the team behind Denmark’s most complex loan platform supporting real-life public needs
  • You thrive in stable cross-border teams consisting of Danish domain experts and Polish developers
  • You want to be a part of a team with high autonomy, purpose-driven work, and modern Agile development practices
  • You are engaged by nature and takes responsibility to help find the best possible solutions, but also pragmatic if and when the timeline is short
  • You want to have direct impact on citizen-facing financial solutions
  • Competitive B2B rate, flexible work-from-home arrangements

 

Application

 

Please apply no later than the 10th of August 2025. 

 

If you have any questions, you are welcome to contact Head of Department, KMD Boliglån, Dennis Kjær at dkr@kmd.dk or 4132 7638. 

 

We are continuously inviting relevant candidates for interviews, so do not hesitate to send us your CV and application. We look forward to hearing from you!

 

Copyright KMD 2025 (C)

 

Required profile

Experience

Level of experience: Senior (5-10 years)
Spoken language(s):
English
Check out the description to know which languages are mandatory.

Other Skills

  • Teamwork
  • Communication
  • Problem Solving

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