John Rivera Mateos

Avon,IN

Summary

Bilingual Operations & Retail Leader with over 3 years of management experience directing high-volume store environments, supervising 20+ team members, and driving daily floor productivity. Proven track record of running multi-department shifts, managing labor allocation, and resolving operational crises. Highly skilled in talent development, customer escalation management, and floor recovery. Fluent in English and Spanish.

Overview

years of professional experience

Work History

Team Lead

Walmart

Indianapolis, USA

09.2022 - 03.2026

Directed daily operations across 5 high-volume departments (Grocery, Consumables, Pharmacy, Frozen, Dairy), directly supervising a team of 20+ associates and managing 80+ daily labor hours.
Assumed full operational command of overnight and closing shifts during leadership absences, staffing shortages, and severe weather events, ensuring seamless store continuity.
Mentored and developed 5 associates who successfully advanced into Team Lead positions, creating a reliable leadership pipeline across multiple departments.
Optimized floor coverage by dynamically reallocating staff and adjusting shift plans to meet real-time business needs and volume spikes.
Partnered directly with the Store Manager during daily executive store walks to evaluate operations, address compliance gaps, and execute corrective action plans.
Managed customer escalations, operational emergencies, and performance coaching with a focus on quick resolution and team accountability.
Consistently delivered 100% opening readiness by driving end-of-day recovery, inventory organizing, and facility preparation for the next morning shift.

Material Handler

O'Reilly Warehouse

Brownsburg, USA

03.2026 - 08.2026

Processed, picked, packed, and labeled automotive orders in a high-volume distribution facility while consistently exceeding productivity and safety targets.
Assisted shift supervisors with floor workflow organization, order issue troubleshooting, and onboarding training for new hires.

Fulfillment Associate

Amazon Warehouse

Whitestown, USA

08.2026 - Current

Execute fast-paced order fulfillment and inventory tracking while adhering to strict quality and speed metrics.
Cross-train across multiple warehouse processing departments to support peak floor demand and operational flexibility.

Education

High School Diploma -

Danville Community High School

Danville, IN

05-2024

Skills

Operations & Leadership: Shift Supervision, Team Building, Conflict Resolution, Process Improvement
Store Management: Labor Allocation, Inventory Control, Merchandising, Opening/Closing Procedures

Communication: Bilingual (English / Spanish), Customer Escalation, Executive Store Walks

Timeline