Fullstack .NET Developer with React

Groupe SII • Kraków, Lesser Poland Voivodeship • Posted June 03, 2026

Position Overview

Are you a talented .NET Developer with a passion for creating dynamic, responsive web applications using React? Do you thrive in a collaborative environment where innovation and excellence are valued? If so, apply!

We are currently seeking a skilled .NET Developer to join our team. In this role, you will have the opportunity to work on a variety of exciting projects, including a cutting-edge initiative within the banking sector. This is a fantastic opportunity to leverage your technical skills and contribute to impactful projects that drive our clients' success.

Your role
  • Develop and maintain web applications using .NET and React
  • Design and implement data models using Entity Framework, ensuring efficient and optimized database access
  • Write and optimize SQL queries to retrieve and manipulate data, ensuring high performance and scalability
  • Collaborate with cross-functional teams to design, develop, and implement new features
  • Ens...