Senior Backend/Fullstack Developer

emagine Polska is seeking a Senior Backend/Fullstack Developer to join our team in evolving a large-scale enterprise application dedicated to waste management and environmental services. This role is ideal for an experienced professional who enjoys solving complex technical challenges, refactoring legacy code, and optimizing system performance within a collaborative, fully remote environment.

Key responsibilities

• Develop and maintain a large-scale enterprise application using C# and .NET.
• Troubleshoot and resolve complex production issues across the platform.
• Analyze existing solutions and improve maintainability through refactoring.
• Optimize application performance and database queries.
• Contribute to architecture discussions and technical decision-making.

Requirements

• 8+ years of professional software development experience.
• Strong expertise in C# and .NET (both .NET Framework and modern .NET).
• Extensive experience debugging complex production systems and working with monolithic applications.
• Strong SQL skills with experience in PostgreSQL and Entity Framework.
• Excellent English communication skills and ability to work independently.

What we offer

• Opportunity to work on a significant enterprise-level project with real-world impact.
• Fully remote work environment with a focus on autonomy and professional growth.
• Active participation in Scrum ceremonies and continuous improvement initiatives.
• Access to modern development tools and a collaborative team culture.