October 11, 2026

Senior .NET Backend Developer (AWS)

Senior • Remote

361,920 - 399,360 PLN/yr

Warsaw, Poland

Quick Facts

  • Role: Senior .NET Backend Developer (AWS)
  • Focus: Backend services development, modernization, and production delivery
  • Contract: Long-term B2B
  • Work model: Remote (with occasional office visits in Warsaw)
  • Rate: 40–44 EUR/hour + VAT

Description

You will take ownership of backend initiatives, collaborating with business stakeholders and engineering teams to deliver services from ideation through implementation to production. The role emphasizes improving product quality, working methodologies, and maintaining robust documentation and support.

Responsibilities

  • Develop and maintain backend services and applications
  • Collaborate with business stakeholders and team members
  • Drive work from ideation through implementation
  • Participate in modernization and improvement of the platform
  • Ensure robust documentation and support for delivered solutions

Requirements

  • Strong experience with C# and .NET Core (uses .NET 10)
  • Experience with AI tools
  • Proficiency with Entity Framework
  • Solid knowledge and hands-on experience with AWS and cloud architectures
  • Experience with GitLab and CI/CD practices
  • Understanding of SOLID principles and clean code practices
  • Experience with Agile/Kanban methodologies
  • Ability to drive work independently from requirements through deployment and support

Benefits

  • Rate: 40–44 EUR/hour + VAT
  • Long-term B2B contract
  • Remote work with occasional visits to the office in Warsaw

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