Senior Backend Developer - Warsaw, Poland

John Galt LLC.

📍 Warszawa, Poland, Poland On-Site ⏳ 2d ago
AI assistant

Job Description

Senior Backend Developer - Warsaw, Poland

It's Time to Love Your Job Again!

We’re seeking a Senior Backend Developer with at least 8 years of professional software development experience and strong expertise in C# and Microsoft .NET. The ideal candidate will have a proven track record of designing, developing, and maintaining scalable backend systems, APIs, and enterprise applications, with experience integrating backend services with React-based applications.

The role involves developing robust server-side solutions, optimising database performance, and contributing to software architecture and technical decisions. Working closely with frontend developers, product teams, and other engineers, the successful candidate will help deliver reliable, high-performing applications while maintaining high standards of code quality, security, and maintainability.

Key Responsibilities

  • Design, develop, and maintain backend services and applications