Job Description. SALES ASSOCIATE –. Jan’s Hallmark is seeking Sales Associates and Key Sales Associates to join our team at our location in Chesterfield, MO. WHO SHOULD APPLY. Anyone. . Anyone who wants to work in a place that has…. Flexible part-time hours. A very clean work environment. A small staff with a good friend and family atmosphere. Bonus and incentive pay opportunities. Opportunities to have meaningful connections with other members f...