Senior .NET Developer

Net

Senior .NET Developer

Net
Marynarska 21, Warszawa

Fireart

Full-time
B2B
Senior
Remote

Job description

🟥 Please note that this is a fully remote position; however, at the beginning of the cooperation, there would be some short “get-to-know” trips to Prague to meet the client in person, fully covered by the company. We’re therefore looking for someone who would be open to such a trip at the start.😊

 

We’re currently looking for a Senior Backend Developer who is passionate about clean code, architecture, and building scalable systems that power real-world products. You’ll join a team of 50+ top-tier professionals working on challenging, meaningful projects.

 

💻 Tech Stack

  • Backend: .NET

  • Database: Postgres, Mysql, Redis

  • Infrastructure: -

     

🎯 What You'll Do

  • Design and build scalable, high-performance backend services and APIs

  • Collaborate with front-end developers, designers, and PMs to deliver world-class user experiences

  • Optimize and refactor legacy systems and processes

  • Write clean, maintainable, and testable code

  • Participate in code reviews, architecture discussions, and deployment planning 


What We’re Looking For

  • 5+ years of experience in backend development .NET

  • Strong experience with relational databases, especially PostgreSQL and MySQL

  • Solid understanding of software design patterns and architecture principles

  • Experience with Docker, CI/CD, and cloud infrastructure

  • Ability to work independently and communicate proactively in a remote team

  • Good English communication skills (written and verbal)

  • Experience with NoSQL databases and Node.js is a plus! 


🌟 What we offer:

💸Competitive Compensation (depends on experience and skills)

👭 A friendly team of like-minded people

🤒 Compensation for sick leaves

🌴 21 working days paid vacation + all Polish national holidays

🎉Corporate events and activities

🩺Private medical care (For residents in Poland)

🧩Opportunities for learning and development 


Why you need to join us:

  • We are growing daily and expanding our clientele so that you can develop skills and work on different projects.

  • We don't have any micromanagement, and we trust the professionalism of the people we hire

  • Our employees are always ready to help and support you, so rest assured you won’t have to deal with challenges alone.

  • There is a friendly atmosphere of talented people in Fireart, so we are sure it can be an exciting journey for you to foster your continuous professional growth. 


We have 4 Steps in the Recruitment process:

1 - Interview with Recruitment Specialist

2 - Interview with the Backend Team Lead

3 - Test Task

4 - Call with the Client

Tech stack

    English

    B2

    .Net

    master

Office location

Published: 18.02.2026

Senior .NET Developer

Summary of the offer

Senior .NET Developer

Marynarska 21, Warszawa
Fireart
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