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Middle Strong/ Senior Full-Stack (.NET+ExtJS/ React) DeveloperPoland, UkraineSoftware Engineering,.NET.

Posted by Eleks • Poland, Poland, Poland

📍 Poland, Poland 🕒 February 18, 2026
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About the Role

ELEKS is looking for a Middle Strong/ Senior Full-Stack (.NET+ExtJS/ React) Developer in Ukraine and Poland.

ABOUT PROJECT


Our client is a leading global professional reinsurance company from the USA, providing a broad range of risk, retirement, and health solutions. The company is one of the largest insurance brokers worldwide.

The project is ongoing and involves active development, feature implementation, PoCs, refinements, and a small portion of production support (up to ~10%).


REQUIREMENTS

  • 4+ years of experience in software development

  • Strong experience with .NET Framework 4.8 and .NET 8

  • Web technologies: ExtJS (or strong JavaScript experience as an alternative) and React

  • Strong knowledge of MS SQL

  • Experience with Entity Framework,

  • Nice to have: Azure, Quartz

  • At least Upper-Intermediate level of English

  • Solid understanding of e...

    • Job Details

    • Location Poland, Poland
    • Job Type Full-time
    • Category Computer Occupations
    • Posted February 18, 2026
    • Deadline March 30, 2026

    Ready to Apply?

    Submit your application today and take the next step in your career journey with Eleks.

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