Amazon has been trying to compete with other major grocery stores including Trader Joe's.John Keeble/Getty Images, Michael Siluk/UCG/Universal Images Group via Getty ImagesIn 2016, Amazon launched a private-label brand, Wickedly Prime, to compete with Trader Joe's.The company hired a former senior manager at Trader Joe's snack division, per WSJ.The employee was hounded for data on Trader Joe's best-selling snacks and margins for each product.An …