Everton Varago

Leads enterprise AI and Generative AI engineering and architecture initiatives, including solution design, proposals, and executive stakeholder partnering to accelerate AI adoption. Architected an agentic ecosystem with anti-hallucination safeguards, built a multi-stage reasoning pipeline with automated evaluation, and delivered production-grade RAG pipelines for large-scale legacy codebases.

Advises early-stage startups on technology strategy, platform architecture, and engineering scalability, with a focus on AI adoption and data platform strategy. Has advised Kiwi Crédito and GomoHub.

Led platform engineering initiatives for AI infrastructure, enterprise security platforms, and large-scale distributed systems supporting Mercado Libre’s ecosystem. Partnered with senior leadership to define platform strategies enabling scalable AI adoption and secure digital operations across LATAM markets.

Created and scaled Mercado Libre’s enterprise Generative AI platform and AI Center of Excellence to enable rapid AI adoption across engineering teams. Delivered a GenAI platform processing ~50M requests per day, supporting 10,000+ internal users, and reduced AI time-to-market by more than 70% with RAG, multimodal capabilities, AI agents, and governance including HITL and red-teaming cycles.

Led the security platform responsible for authorization, identity, and security services across Mercado Libre’s ecosystem. Protected 1B+ daily transactions, improved service reliability to 99.99% availability, and expanded authorization platform adoption from 2% to 43% across 30k+ microservices using ABAC/RBAC and centralized security governance.

Managed Martech and Loyalty engineering teams (~30 engineers) responsible for marketing automation platforms. Built a customer segmentation and audience platform and automated marketing campaigns integrated with Google Ads, Facebook Ads, and TikTok Ads, reducing promotional cannibalization by $700k/month and lowering CRM operational costs by 20%.

Led a cross-functional engineering team of 32 professionals across backend, data engineering, and cloud for an Anti-Money Laundering (AML) program. Built a cloud-native AML analytics platform and implemented machine learning models for fraud detection, reducing infrastructure costs by 60% and improving data integration efficiency by 90%.

Led digital transformation and platform modernization initiatives, including building a digital platform connecting customers and suppliers. Launched a telecom service generating R$1M+ monthly recurring revenue and reduced infrastructure costs by 36% through cloud migration.

Completed an MBA focused on Solution Architecture at FIAP in São Paulo.

Completed a Bachelor's Degree in Information Systems at Unianchieta University.