C# / .NET Backend Engineer: Shopify & Middleware (Remote)

DemandPDX; Poland; Remote; PLN 250,357 - 321,888; Full time

Benefits offered by this job

Competitive compensation

Performance-based bonus opportunities

Medical, dental, vision, and disability insurance

HSA plan options

Simple IRA with 3% company match

Company-paid life insurance

Paid holidays and paid time off

Paid maternity and paternity leave

Paid bereavement and natural disaster leave

Company-provided laptop

Job summary

A leading eCommerce technology firm is seeking a C# / .NET Developer in Poland. This role focuses on middleware application development, integrating Shopify with other systems. The ideal candidate has strong backend engineering skills and at least 4–5 years of experience in C# and .NET development, with a proven background in API and middleware architecture. Flexibility for remote work within the U.S. is available and a competitive compensation package is offered.

Qualifications

• Minimum of 4–5 years of hands-on experience with C# and .NET development.
• Strong experience building APIs, services, and middleware architectures.
• Experience working with Shopify APIs is preferred.

Responsibilities

• Design, develop, and maintain middleware applications using C# and .NET.
• Build and maintain integrations between Shopify and external systems.
• Optimize application performance, scalability, and reliability.

Skills

C# development

Backend API development

Middleware architecture

Shopify APIs

GraphQL

Problem-solving

Agile development

Communication

Tools

PaaS environments

Job description

A leading eCommerce technology firm is seeking a C# / .NET Developer in Poland. This role focuses on middleware application development, integrating Shopify with other systems. The ideal candidate has strong backend engineering skills and at least 4–5 years of experience in C# and .NET development, with a proven background in API and middleware architecture. Flexibility for remote work within the U.S. is available and a competitive compensation package is offered.