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November 3, 2026

.NET Developer (Enterprise Systems)

Senior • On-site

312,000 - 432,000 PLN/yr

Warsaw, Poland

Quick Facts

  • Role: .NET Developer (Enterprise Systems)

  • Location: Warsaw, Poland (minimum 2 days in office per week)

  • Salary: 26,000–36,000 PLN gross/month

Description

Build and modernize enterprise applications and integrations with SaaS enterprise software. Participate in designing core enterprise systems, improving and extending features, and joining refactoring/modernization initiatives while collaborating with business stakeholders and DevOps teams.

Responsibilities

  • Build applications and integrations with SaaS enterprise software

  • Participate in design of core enterprise systems

  • Improve, modernize, and develop new features

  • Partner with business functions and stakeholders

  • Support refactoring/modernization initiatives

  • Work with DevOps teams

Requirements

  • 5+ years of software engineering experience (development and design), including enterprise applications

  • Expertise in C#/.NET, SQL, and REST

  • Full-stack experience with strong back-end and at least basic front-end development skills

  • In-depth knowledge of API integration

  • Hands-on experience with cloud-based enterprise software development and integration

  • Experience with cloud-based software, database development, and automated testing

  • Experience with software optimization

  • Experience with international companies/projects

  • Fluent English

Nice to have

  • Experience with SaaS enterprise software integrations

  • TDD

  • AI/LLM tools and integration

  • CI/CD

  • App security

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