Walmart has introduced a string of new AI tools, including an AI-enabled bot that allows store workers to practice interviews for new roles virtually and a tool that automatically schedules store-worker shifts.

Walmart Inc. is hiring an executive from Instacart Inc. to accelerate its use of artificial intelligence as the world’s largest retailers looks to bolster its competitive edge.

Walmart has hired Instacart executive Daniel Danker as executive vice president of AI acceleration, product and design, Walmart CEO Doug McMillon announced on LinkedIn Wednesday. Danker, who most recently served as chief product officer at Instacart,