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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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