Uber is rapidly staffing up its Toronto office, and a new job posting on the ride-hailing giant's website could be a window into those ambitions.<br /><br />Uber Eats is hiring a head of grocery product, according to a job posting from Thursday. <br /><br />It's also another sign of the company's ambitions for Uber Eats, which is one of the company's fastest-growing units. <br />