About

Fluent In

Overview

Hello, I'm Lucas Ethan, a POS system administrator and store operations manager focused on ensuring smooth, accurate, and efficient daily retail operations. I oversee sales workflows, inventory control, and staff performance to make sure every transaction is fast, reliable, and customer-friendly.

I work closely with cashiers, supervisors, and management teams to optimize POS settings, monitor real-time sales data, and resolve operational issues quickly. By leveraging detailed reports and insights, I help improve decision-making, reduce errors, and maintain consistent service quality across all store terminals.

Experience

• POS System Administrator – March 2020 – Present

  Main Branch Retail Group, Buenos Aires, AR

  • Managed daily POS operations across multiple terminals, ensuring accurate billing, smooth checkouts, and system reliability.

  • Monitored real-time sales data, transaction logs, and cash flow to identify discrepancies and improve operational efficiency.

  • Configured products, pricing rules, discounts, taxes, and payment methods within the POS system.

  • Handled inventory synchronization, low-stock alerts, and stock adjustments to prevent over-selling and shortages.

  • Managed user roles, staff permissions, and access controls to ensure secure POS usage.

  • Coordinated with store managers and support teams to troubleshoot POS issues and minimize downtime.

  • Generated daily, weekly, and monthly reports for sales performance, refunds, and cashier activity.

• Assistant POS Operator

  CityMart Convenience Store, New York, NY

  • Supported day-to-day POS operations including billing, order processing, and receipt handling.

  • Assisted with product entry, barcode management, and price updates in the POS system.

  • Helped reconcile cash drawers and end-of-day sales summaries.

  • Reported transaction errors, hardware issues, and system inconsistencies to senior administrators.

  • Assisted in onboarding new staff by explaining POS workflows and basic troubleshooting.

  • Maintained accurate records of sales, refunds, and inventory adjustments.

Portfolio Highlights

Chat Application

CRM React Projects

HR Management Team