Backend Systems Integration Engineer (OMS / ERP / Shopify) tarte cosmetics is seeking an experienced Backend Systems Integration Engineer to join our Order Management Systems (OMS) team. This full-time role is responsible for ensuring the seamless flow of data between our Shopify Direct-to-Consumer (D2C) storefront and backend systems including ERP, Vertex (tax), and ESW (international logistics). The ideal candidate is a systems-minded troubleshooter with strong technical fluency across APIs, cloud tools, and databases. This role is highly cross-functional, partnering with Planning, Customer Experience, QA, and Engineering teams to support clean, timely, and reliable order processing. This is a hybrid position based in New York City and requires working in our office at least 3 days per week. Key Responsibilities • Monitor and troubleshoot order and data flows between eCommerce front-end, ERP, tax, and fulfillment systems • Investigate and resolve sync failures, webhook issues, and data mismatches using Postman, SQL, and system logs • Reprocess or replay failed API calls and validate successful resolution • Escalate, track, and document issues via Jira with clear root cause analysis • Partner with internal teams and external vendors (e.g., Shopify, Vertex, ESW) to identify and resolve integration issues • Support UAT/staging testing and monitor CI/CD pipelines during release cycles • Maintain SOPs, system documentation, and integration flow diagrams • Ensure smooth operation of critical data workflows in a fast-paced production environment Qualifications • 3-8 years of experience in technical operations, eCommerce systems support, or integration-heavy environments (e.g., WMS, OMS, ERP) • Strong proficiency in REST/GraphQL APIs (e.g., Shopify, Salesforce Commerce, Magento, BigCommerce) • Experience using AWS tools such as EC2, S3, CloudWatch, IAM, SNS, and Route 53 • Proficient in SQL for querying large datasets, optimizing schema design, and tuning performance • Comfortable navigating Linux/Unix systems, retrieving logs, and using shell/SSH • Familiar with Git-based version control and collaborative development workflows • Able to read and debug scripts in JavaScript, Node.js, Python, or PHP (for troubleshooting purposes) • Experience with Jira or similar tools for issue tracking and documentation • Detail-oriented, well-organized, and thrives in cross-functional technical environments Preferred Skills • Experience with ERP platforms like NetSuite or SAP • Familiarity with CI/CD pipelines such as GitHub Actions, Jenkins, or CircleCI • Exposure to web server troubleshooting and configuration (Apache, NGINX) • Experience working with external platforms/vendors (3PLs, tax engines, SaaS APIs) What Sets You Up for Success • You love diving into system-level issues and tracing order data across APIs, logs, and databases • You think critically and solve problems by identifying root causes, not just symptoms • You communicate clearly with both technical and non-technical stakeholders • You stay calm under pressure and maintain precision in production environments Our Perks • Salary range: $110,000-$125,000 (final compensation depends on experience and technical depth) • Medical, dental, vision, 401k plan & access to health and wellness programs • Paid vacation, holidays, summer Fridays, birthdays off, volunteer time & more! • Gratis, employee discount on tarte.com, team give-back initiatives • Friendly, fun, creative & collaborative work environment Tarte is an equal opportunity employer.