Backend Integrations Engineer - Marketplace Connectors

Jack & Jones; Brande; On-site; DKK 540,000 - 780,000; Full time

Job summary

JACK & JONES in Brande, Denmark, is seeking a backend developer to build and maintain reliable marketplace integrations (Amazon, Zalando, etc.). You will own projects from development to deployment, focusing on scalable data exchange for product data, stock, and pricing across internal systems and external platforms.

The role emphasizes building APIs and connectors, onboarding partners, and improving data flows. Relevant experience with .NET/C#, XML/JSON, and collaboration is valued.

Qualifications

• Experience with .NET / C# in backend development.
• Experience working with XML and JSON data formats.
• Strong communication and cross-team collaboration skills.
• Fluent in English, both written and spoken.
• Familiarity with CI/CD and cloud/DevOps concepts is a plus.

Responsibilities

• Developing and maintaining backend connectors and APIs.
• Ensuring stable synchronization of product data, stock and pricing with marketplaces.
• Onboarding new marketplace partners.
• Optimizing integrations and data flows across systems.
• Issue ownership from implementation to deployment.

Skills

.NET / C#

XML/JSON

Communication

Collaboration

Kubernetes

Jira

GitHub

GitHub Actions

Unit testing

Integration testing

Tools

Kubernetes

Jira

GitHub

GitHub Actions

Job description

JACK & JONES in Brande, Denmark, is seeking a backend developer to build and maintain reliable marketplace integrations (Amazon, Zalando, etc.). You will own projects from development to deployment, focusing on scalable data exchange for product data, stock, and pricing across internal systems and external platforms.

The role emphasizes building APIs and connectors, onboarding partners, and improving data flows. Relevant experience with .NET/C#, XML/JSON, and collaboration is valued.