Jan Art P.Private profile: Upwork shows its earnings only to signed-in members, so we check it every few weeks, not daily. MRR here is a rough estimate (Upwork's six-month earnings ÷ months active). Last read Nov 5, 2026.

Billing Specialist / Inventory Control Specialist * 5 years Billing Specialist & Inventory Control Specialist * Basic Photoshop * Excellent knowledge of MS Office (particularly Excel) * Comfortable dealing with numbers and the processing of financial information * Gathering and analyzing data to prepare detailed reports * Create detailed reports for adjustments, inventory operations and stock levels * Designing and implementing an inventory tracking system for optimized inventory control procedures * Examine the levels of raw materials and supplies to determine shortages