Backend .NET Engineer – Core Domain | Flexible Growth

Creatio; Poland; Remote; PLN 180,000 - 300,000; Full time

Job summary

Creatio is seeking a Backend .NET Developer to join the Core Domain in a Scrum team, contributing to a scalable, customizable CRM/workflow platform. You will design, code, test, and maintain features using C#, .NET 8+, EF, and Web APIs, collaborating with product managers and stakeholders across Ukraine and Poland.

The role emphasizes strong OOP,CI/CD practices, Git, and testing with NUnit and Postman, with English at Upper-Intermediate level or higher.

Qualifications

• Strong C#/.NET 8+ proficiency and OOP fundamentals.
• Experience with ASP.NET MVC/Core, EF and Web APIs.
• Git proficiency and experience with branching/merging.
• Familiar with unit testing and mocking (NUnit, Mock) and API testing.
• Experience with MS SQL Server or PostgreSQL.
• English Upper-Intermediate or higher.

Responsibilities

• Design, code, test, and debug software per specs.
• Transform system design into working software and implement features.
• Collaborate with stakeholders and product managers.
• Conduct unit, integration, and system tests.
• Participate in Scrum team activities.

Skills

C#

.NET 8+

OOP principles

ASP.NET MVC/Core

Web APIs

Git

Unit testing (NUnit)

API testing (Postman)

English (Upper-Intermediate)

Scrum/Agile

Tools

Entity Framework

SQL databases

MS SQL Server

PostgreSQL

NUnit

Mocking

Postman

Job description

Creatio is seeking a Backend .NET Developer to join the Core Domain in a Scrum team, contributing to a scalable, customizable CRM/workflow platform. You will design, code, test, and maintain features using C#, .NET 8+, EF, and Web APIs, collaborating with product managers and stakeholders across Ukraine and Poland.

The role emphasizes strong OOP,CI/CD practices, Git, and testing with NUnit and Postman, with English at Upper-Intermediate level or higher.