Home Current News I quit Amazon after I cracked the code for promotions. It took...NewsCurrent NewsI quit Amazon after I cracked the code for promotions. It took me 14 years to become a principal engineer — here’s how.September 23, 20243FacebookTwitterPinterestWhatsApp i quit amazon after i cracked the code for promotions it took me 14 years to become a principal engineer heres how Source: yahoo.com/news