Senior Fullstack .NET Developer

Senior Fullstack .NET Developer

Net

Konstruktorska 9, Warszawa

GreenMinds Sp. z o.o.

25 000 - 27 500 PLN
Net per month - B2B
Full-time
B2B
Senior
Remote

Tech stack

    Polish

    C2

    English

    C1

    .NET C#

    advanced

    OAuth 2.0

    advanced

    DDD

    advanced

    Onion Architecture

    advanced

    REST API

    advanced

    Azure Durable Functions

    advanced

    Azure DevOps

    advanced

    JavaScript

    regular

Job description

We are looking for an experienced Senior / MID Fullstack .NET Developer for one of our clients. You will work on system integration projects and provide support for integration solutions. The project team includes a Technical Lead, Software Architect, QA Manager, and other Software Developers.


Location: 100% Remote

Client: US

Polish language required

Contract type: B2B

Rate: 150–165 PLN/h + VAT




Responsibilities:


  • Collaborating on business and technical requirements

  • Maintaining task status in Azure DevOps

  • Supporting the Software Architect in technical design

  • Assisting in project planning (scope and effort estimation)

  • Monitoring and reporting the status of assigned tasks

  • Developing code according to established standards and guidelines

  • Conducting code reviews

  • Writing unit tests

  • Debugging and bug fixing


Must-have:


  • Proficiency in English and Polish (C1 level)- must have !

  • 6+ years of experience as a C#/.NET Developer

  • Strong experience with REST APIs

  • Solid knowledge of Microsoft Azure stack

  • Understanding of Onion Architecture, Domain-Driven Design, and Test-Driven Development

  • Ability to read and create technical diagrams

  • General IT knowledge (infrastructure, security)

  • Experience with integration projects (API development and consumption, SOA, event-driven architecture)

  • Knowledge of OAuth 2.0

  • Familiarity with Azure Durable Functions

  • Experience with JavaScript frameworks (React.js or Angular)

  • Understanding of software and system testing principles


Interested? Don’t hesitate—apply now and join us!


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Published: 06.08.2025
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