Gfi Poland

.NET Developer



  • implementation of new functionalities in the .NET platform and technologies provided by Microsoft;
  • code optimization in already existing projects;
  • design of software solutions and code architecture;
  • creating programming documentation;
  • consultancy in projects in the technology selection area.


  • min. 3 years of experience as a programmer;
  • ability to quickly learn new technologies and products;
  • business and customer focus;
  • good knowledge of .NET environment (both .NET Framework and .NET Core) and related technologies included in Microsoft’;
  • development ecosystem;
  • very good knowledge of the C# programming language;
  • a good knowledge of the .NET class library;
  • good knowledge of Entity Framework;
  • good knowledge of web technologies (ASP.NET WebApi, ASP.NET MVC, JavaScript, HTML, CSS);
  • knowledge of the GIT version control system;
  • knowledge of PowerShell;
  • knowledge and experience in using design patterns;
  • knowledge and ability to apply good practices: Clean Code, SOLID, Code Review;
  • ability to write unit tests (MSTest/NUnit/xUnit);
  • good knowledge of the object-oriented paradigm;
  • basic knowledge of database engines and SQL language;
  • independence and pro-active attitude in solving problems;
  • fluent knowlege of Polish;
  • good knowledge of English.


  • experience working with the Microsoft Azure cloud (including services such as Service Fabric, Data Warehouse, Data Factory, Event Hub);
  • knowledge of Kendo UI library;
  • experience of working in SCRUM methodology;
  • experience in working with Azure DevOps tool;
  • knowledge of microservices architecture (preferably participation in a project built in such architecture);
  • knowledge of Python language.
  • knowledge of Microsoft BizTalk

Why work in Inetum?

We focus on cooperation and responsibility of our employees - together these features affect the quality of solutions provided. You will work in cool teams, among open and communicative people. Our office is a friendly work environment where you can find your place and you can always count on the support of your colleagues. With the help of internal trainings - small and large - we support professional and personal development.

We count on your commitment, initiative and good ideas. Join us today!


None of our job offers is right for you? Tell us about your achievements, what you are currently working on, and what you would like to do in Inetum. As soon as the perfect project for a person of your expertise appears, we will contact you.

If you want to start your career in IT, we invite you to look at our offer in the Internships and Placements tab. Apprenticeships & Interships