Mid .NET Developer (.NET Core)

Our mission at i4B is to help entrepreneurs and innovators shape the world through beautiful software. We care about trust, taking ownership, and transparency. As a Certified B Corporation®, we offer a safe, inclusive and productive environment for all team members, and we’re always open to feedback. If you want to work from home and be a full time employee, great! We want to create the right opportunities for you.

Technologies you’ll work in

Our expectations

  • 2+ years of commercial experience as a .NET developer,
  • Knowledge of modern layered architectures,
  • Good knowledge of web technologies,
  • Practical knowledge of Clean Code principles,
  • Good knowledge of relational databases,
  • Practical knowledge of GIT,
  • Communicative English – minimum B2.


  • C# i ASP.NET WebAPI (.NET Core),
  • PostgreSQL,.
  • GitLab,
  • Docker,
  • Service-oriented architecture /microservice architecture.,

Nice to have

  • Commercial experience with Docker and AWS ECS,
  • Experience with NoSQL databases,
  • Experience with GRPC,
  • Knowledge of CI and CD,
  • Experience of working in SCRUM.

We offer

  • Flexible form of employment (B2B/employment agreement),
  • Possibility to work remotely or in our office in Koszalin,
  • Benefits package – including the annual budget of 5000 PLN for training purposes,
  • New equipment at the beginning of employment,
  • Salary adequate to competencies.

Mid .NET Developer (.NET Core)

8 000-12000 PLN net/month B2B

Koszalin / Remote

Do you have any questions?

Get in touch with us.

Katarzyna Żuromska

People & Culture Specialist

LinkedIn profile career@i4b.pl