Shopify app to connect or import my products from Teespring store

Hello Respected sellers: I am looking for an expert developer that will build app to import my products from my store on Teespring. Now my teespring store has a few products and listings but I will put some products today and I will add more products progressively and I do not want import it manually to my shopify store. The shopify app "fulfillment for teespring" is no longer available, so I want to have some tool to do it. I only looking for an expert who understand my message deeply. The price 35$ is fixed and can not be changed!