Shopify Inc., Canada, announced plans to acquire 6 River Systems, Inc., a Waltham, Mass.-based provider of collaborative warehouse fulfillment solutions.

With this acquisition, Shopify will add 6 River Systems’ cloud-based software and collaborative mobile robots called “Chuck” to its newly released Shopify Fulfillment Network to increase the speed and reliability of warehouse operations, including inventory replenishment, picking, sorting and packing.

“Shopify is taking on fulfillment the same way we’ve approached other commerce challenges, by bringing together the best technology to help everyone compete,” says Tobi Lütke, chief executive officer of Shopify. “With 6 River Systems, we will bring technology and operational efficiencies to companies of all sizes around the world.”

“By joining Shopify, we're changing the game of fulfillment. Together, we will help thousands of businesses improve their fulfillment operations, with an easy-to-learn solution that can more than double productivity and improve accuracy,” says Jerome Dubois, co-CEO and co-founder of 6 River Systems.