Demandpdx

Demandpdx

C# / .NET Developer (Shopify / Middleware Focus)

Remote (United States) · Full-time

Sponsorship not specifiedDetected 26 days ago
C#.NETBackend DevelopmentCode ReviewGraphQLSalesforceShopifyCommunicationCollaborationProblem Solving

About the role

  • Do you thrive in integration-heavy environments where performance, data flow, and reliability matter?

Requirements

  • Minimum of 4-5 years of hands-on experience with C# and.NET development.
  • Strong analytical and troubleshooting skills with the ability to resolve complex backend issues.
  • Ability to work effectively with client stakeholders and distributed teams.

Nice to have

  • With more than 450 eCommerce implementations delivered by our team, we bring deep expertise across architecture, development, strategy, QA, and project leadership.
  • Our entire team is U.S.-based, and we pride ourselves on delivering high-end strategic guidance while integrating seamlessly as an extension of our clients' teams.
  • Experience working with Shopify APIs.
  • Direct Shopify development experience is ideal.
  • Solid experience using GraphQL to query and manipulate data (Shopify GraphQL Admin API experience is a plus).

Skills

  • Experience working in cloud-based or PaaS environments.

Company info

  • This role is structured as a contract engagement, with potential for conversion to full-time employment.
  • Full benefits apply upon full-time conversion.
  • Do you enjoy building scalable backend systems that power seamless digital experiences?
  • Do you like working behind the scenes to ensure platforms talk to each other efficiently and securely?
  • As a C# /.NET Developer, you will play a key role in expanding and supporting a client's middleware layer that integrates Shopify and other systems.
  • You may also contribute to a mobile app backend running in a Platform-as-a-Service (PaaS) environment, as the existing provider transitions off the account.
  • This role requires strong backend engineering skills, experience with APIs and integrations, and the ability to work independently in a fast-paced environment.
  • Design, develop, and maintain middleware applications using C# and.NET.
  • Build and maintain integrations between Shopify and external systems.
  • Use GraphQL to query and manipulate data from Shopify APIs.
  • Enhance and support existing middleware services currently in production.
  • Collaborate with cross-functional teams to define, design, and implement scalable solutions.
  • Support and potentially transition ownership of a mobile app backend (PaaS-based).
  • Optimize application performance, scalability, and reliability.
  • Troubleshoot and resolve complex backend and integration issues.
  • Write clean, maintainable, and well-documented code.
  • Participate in code reviews and follow engineering best practices.
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This listing is sourced directly from Demandpdx's careers page and normalized into a canonical job model.