A Principal Software Engineer at Walmart earns between $152,027-$286,000 while a Senior Software Engineer earns up to $234,000, according to Financial Express. A Principal Product Manager earns between $145,332-$286,000 and a Principal Data Scientist gets between $158,642-$286,000. A Senior Manager (UX Design) earns up to $286,000 while Senior Manager (Product Marketing) would earn up to $234,000.