Product & Project Lead · OROZ · OROZ

Mercado Libre

High-Volume Platform Architecture for LatAm's Largest E-Commerce

Bulletproof digital infrastructure for Mercado Libre's official creators' awards — processing massive public voting and an exclusive VIP guest list without crashing under extreme traffic spikes.

High-Volume
Product Delivery
AWS
LGPD

Challenge

Mercado Libre required a bulletproof digital infrastructure to host their official creators' awards. The platform needed to seamlessly process massive public voting while simultaneously managing an exclusive VIP guest list, all without crashing under extreme traffic spikes.

Execution

Mapped two distinct user journeys — mass public voting and restricted VIP access — and translated them into platform requirements on AWS with LGPD compliance.
Engineered quick-registration with OTP validation for the public, alongside a restricted RSVP flow using tax ID (CPF) validation and dynamic QR-code ticketing for 1,400 VIP attendees.
Owned the end-to-end product delivery, including the automated communication layer via WhatsApp and email.

Business impact

Supported a peak of 105,000 simultaneous users with zero downtime.
Delivered the end-to-end operation in less than 6 weeks.
Processed 815,000 platform sessions and captured 40,000 validated votes.

105K concurrent users
Zero downtime
Under 6 weeks