CareerPlan

Senior Software Engineer Fraud Prevention Shipping - IT

Buenos Aires,ArgentinaFull-time2026-10-27 → 2026-11-11

Core

Build and scale secure fraud prevention services for Mercado Libre's platform in Latin America, reducing monetary losses and improving user experience.

Role type

Senior Software Engineer (Fraud Prevention)

Builds

Fraud prevention components and services for the Mercado Libre marketplace

Domain

E-commerce / Financial Services

Deliverable

production ML models

Required skills

Java, SQL, REST APIs, React, JavaScript, Datadog, New Relic, Kibana, GenAI

Preferred skills

Nordic

Responsibilities

Design and implement critical fraud prevention functionalities; analyze and resolve fraud incidents; develop services with focus on usability, performance, and resilience; lead incident resolution during technical guard duty; automate operational processes.

Seniority

Senior, hands-on IC