Amazon is hiring for its first D.C.-area Go Grocery stores. Other postings suggest more are to come.

Amazon.com Inc. (NASDAQ: AMZN) is inching ever closer to opening two cashier-less grocery stores in the D.C. area. We know this — though Amazon still won't acknowledge as much — because it’s hiring for them. The e-commerce giant has posted several openings related to Amazon Go Grocery stores in Greater Washington. While most are for work inside the stores, others suggest Amazon is looking to expand its physical retail footprint beyond what is already known. Two of those jobs are for store…