Senior Back End Developer

<p><strong>Position:</strong> Senior Back End Developer III - AdTech Focus</p> <p><strong>Location:</strong> Richfield, MN (Hybrid - 1-2 days onsite per week preferred; remote considered)</p> <p><strong>Employment Type:</strong> Contract (7-12+ Months)</p> <p> </p> <h3><strong>Project Scope</strong></h3> <ul> <li> <p>Enhance seller-facing campaign management workflows.</p> </li> <li> <p>Integrate with external advertising platforms (e.g., Criteo) and ad-serving systems.</p> </li> <li> <p>Implement reporting, spend tracking, and billing event pipelines.</p> </li> <li> <p>Improve campaign synchronization and product eligibility systems.</p> </li> <li> <p>Modernize frontend and backend architecture for scalability and maintainability.</p> </li>
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