👉Senior .NET Developer with WinForms

5 033.59 - 7 550.39 USDNet per month - B2B
4 474.30 - 6 152.17 USDGross per month - Permanent
Net

👉Senior .NET Developer with WinForms

Net
Puławska 39, Warszawa +3 Locations

Xebia sp. z o.o.

Full-time
B2B, Permanent
Senior
Remote
5 033.59 - 7 550.39 USD
Net per month - B2B
4 474.30 - 6 152.17 USD
Gross per month - Permanent

Job description


🟣 You will be:

  • maintaining and further developing existing applications based on .NET,

  • working with .NET-based systems and legacy solutions,

  • developing and supporting applications built with WinForms,

  • implementing and maintaining WCF services,

  • working with SOAP integrations,

  • analyzing, debugging, and resolving technical issues,

  • ensuring code quality, stability, and performance of applications.


🟣 Your profile:

  • 5+ years of experience in web application development, practiced the OOP paradigm, knows and applies SOLID principles, are familiar with .NET Core or .NET 8,

  • strong commercial experience with .NET and enterprise-level applications,

  • very good knowledge of WinForms and hands-on experience in daily development,

  • solid experience with WCF and integration using SOAP web services,

  • proven background in application maintenance and further development,

  • ability to work independently, take ownership, and deliver reliable solutions,

  • good analytical thinking and problem-solving skills,

  • frontend skillset (JS, TS, React.Js) is a plus.

  • communicates freely in English (B2 level) and Polish (B1/B2),




Work from the European Union region and a work permit are required



🟣 Recruitment Process: CV review – HR Interview – Technical Interview - Client Interview – Decision




🎁 Benefits 🎁


Development:

  • development budgets of up to 6,800 PLN,

  • we fund certifications e.g.: AWS, Azure,

  • access to Udemy, O'Reilly (formerly Safari Books Online) and more,

  • events and technology conferences,

  • technology Guilds,

  • internal training,

  • Xebia Upskill.


🩺 We take care of your health:

  • private medical healthcare,

  • multiSport card - we subsidise a MultiSport card,

  • mental Health Support.


🤸‍♂️ We are flexible:

  • B2B or employment contract,

  • contract for an indefinite period.

Tech stack

    English

    B2

    .Net

    advanced

    SOAP

    advanced

    WinForms

    regular

Office location

Published: 03.02.2026

About the company

Xebia sp. z o.o.

While Xebia is a global tech company, our journey in CEE started with two Polish companies – PGS Software, known for world-class cloud and software solutions, and GetInData, a pioneer in Big Data. Today, in Poland, we’re...

Company profile

👉Senior .NET Developer with WinForms

5 033.59 - 7 550.39 USDNet per month - B2B
Summary of the offer

👉Senior .NET Developer with WinForms

Puławska 39, Warszawa
Xebia sp. z o.o.
5 033.59 - 7 550.39 USDNet per month - B2B
4 474.30 - 6 152.17 USDGross per month - Permanent
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