E-commerce giant Amazon says it is planning to hire 100,000 full-time and part-time employees. Walmart, America's largest grocery chain, wants to add 150,000 full-time, part-time and temporary positions. The country's biggest convenience chain, 7-Eleven, also wants to hire 20,000. By the end of next month, Dollar General is looking for up to 50,000 workers. In the next few months, grocery startup Instacart plans to add over 300,000 "full-service shoppers." With everyone staying indoors and ordering food, pizza chains are also ramping up hiring. Papa John's says it wants to add 20,000 employees as part of the brand's "restaurant team." Rival Domino's wants to recruit 10,000 workers for deliveries, pizza-making and customer service. Across the U.S., Pizza Hut also plans to add 30,000 to its workforce.