Integración con shopify de articulos del mayorista

I am looking for an experienced freelancer to help me with the integration of shopify items from a wholesaler. Specifically, I am looking for someone to help me with order fulfillment via API integration. I need this project to be completed within a month, so an understanding of urgency is important. Experience with shopify integrations would be a huge plus, however general knowledge and experience will be considered. Please feel free to reach out with any questions. Thank you.