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Matías Ruiz Díaz

@matasruizdaz

Customer Service Analyst at Mercado Libre who improved operational workflows, reducing errors by 2.5 percentage points and repeat claims by 4%.

Argentina

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What I'm looking for

I’m looking for a role in Key Account Management or Customer Success where I can support large B2B accounts and improve e-commerce and service processes.

At Mercado Libre SRL, I supported Key Account Managers with large seller accounts, resolving shipping and cost issues, platform-related claims, reputation problems, and improper suspensions. I also coordinated escalations with internal teams and reviewed confidential account information and KYC documentation.

I redesigned team workflows, reducing operational errors by 2.5 percentage points and repeat claims by 4%. I used SQL in BigQuery and Excel to identify patterns and root causes, and Claude and ChatGPT to streamline analysis and processes.

Experience

Work history, roles, and key accomplishments

Analista de Customer Service

Mercado Libre SRL

Sep 2023 - Jul 2026 (2 years 10 months)

Provided fixed support to Key Account Managers, managing multiple accounts of large sellers and resolving shipping, cost, and platform error issues. Redesigned workflows to reduce operational errors by 2.5 percentage points and repeat claims by 4%.