BackEnd Developer

Hybrid, Wrocław, Poland

Role:

As a Backend Developer, you will be responsible for driving backend project ownership, delivering second-level support, and consistently improving the quality of deliverables. This role involves managing both legacy and modern projects while working independently within a small team environment. The ideal candidate is a proactive problem solver, adaptable across diverse systems and technologies, and thrives in dynamic, multi-project settings.

What We Offer:

  • B2B: 10 800  – 17 000 PLN/month net (includes 26 days of paid days off)
  • Work in an international environment
  • International training and certifications (Microsoft MCP)
  • Constant personal growth (defined career paths, additional leave for training, training budget)
  • Medical package, Multisport card, life insurance and language courses
  • Modern office with a swimming pool on the roof
  • Great atmosphere at workplace!

Requirements:

  • MS SQL Server (Transact SQL) – advanced skills (stored procedures, functions, error handling)
  • .NET Backend Development:
  • Proficiency in C#
  • Experience with MVC frameworks
  • Proficiency in English
  • Experience with the Azure environment
  • Familiarity with Azure DevOps
  • Knowledge of deployment processes
  • A proactive problem solver

Interested?

If you have questions about this position, contact me 🤙

Joanna Wanat

IT Recruitment Specialist

+48 535 566 194

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    Claartje Pothof-van der Zande

    HR Specialist

    +31 24 366 0 466

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    Aneta Zawieja

    HR Specialist

    +48 535 566 283

    aneta.zawieja@sienn.com

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