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C# Backend Developer
  • Warsaw
C# Backend Developer
Warszawa, Warsaw, Masovian Voivodeship, Polska
SQUARE ONE RESOURCES sp. z o.o.
28. 9. 2025
Informacje o stanowisku

technologies-expected :


  • .NET
  • .NET Core
  • C#
  • SQL
  • Git
  • Docker
  • Kubernetes

technologies-optional :


  • Azure DevOps
  • Google Cloud Platform

about-project :


  • We are supporting a leading global organization operating in the media and advertising sector. The company manages large-scale advertising investments and provides advanced services in digital marketing, programmatic media, and innovative technology solutions. Acting as the central hub for several international media agencies, the organization plays a key role in driving data-driven marketing strategies worldwide.

responsibilities :


  • Develop and maintain backend services and applications using C#/.NET Core (6 or higher).
  • Write, execute, and maintain unit tests to ensure code quality.
  • Work within CI/CD pipelines for efficient and reliable delivery.
  • Implement and maintain solutions with containerization tools (Docker/Kubernetes).
  • Design and optimize SQL database queries and structures.
  • Ensure proper version control with Git.
  • Contribute to building and maintaining REST-based architectures.

requirements-expected :


  • 5+ years of professional experience as a Backend Developer
  • Strong hands-on experience with C#/ASP.NET Core (6 or higher).
  • Solid knowledge of unit testing.
  • Practical experience with CI/CD processes.
  • Knowledge of containerization (Docker/Kubernetes).
  • Proficiency with SQL databases.
  • Strong experience with Git.
  • Good understanding of REST architecture.

  • Praca Warszawa
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