Despite being the nation’s largest retailer, Walmart still lags behind Amazon and others when it comes to online shopping. The company has spent billions of dollars in just the last year, buying Jet.com and ShoeBuy, so maybe it’s time for Walmart to finally get serious about sorting out e-commerce.

Walmart issued an internal memo Friday announcing the departure of one executive and expanded roles for two others in a bid to “become a more customer-centric organization.”

As part of the changes, the company will put more focus on integrating physical and online store operations.

To that end, it has promoted Jeremy King to executive vice president and U.S. chief technology officer and global platforms. That mouthful of a title means that he will lead the company’s tech organization to bring together physical and commerce technology to create seamless experience for customers.

“Whether they shop in-store, through the app, or online,” Marc Lore, president and CEO of Walmart’s commerce…