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Marielle Côrtes

✦ career

Experience

Tech Lead · Data & AI Platforms · Engineering Intelligence · GenAI Analytics

30K+ developers impacted by AI productivity frameworks
~50% productivity improvement identified among AI tool adopters
18+ engineering tools integrated into intelligence systems
1.7K+ production-grade metrics in scalable feature store

♡ selected impact

★ work history

Aug 2025 – Present

Tech Lead · Data & AI Engineering

Mercado Libre — Largest e-commerce and fintech ecosystem in Latin America

current

Leading enterprise AI analytics and engineering intelligence initiatives focused on AI adoption measurement and productivity evaluation across the SDLC.

  • Lead GenAI productivity and AI analytics initiatives across the engineering organization.
  • Own cross-functional AI telemetry and analytics strategy involving multiple AI coding providers and internal engineering platforms.
  • Drive architecture decisions for scalable analytical systems supporting engineering intelligence and AI investment assessment.
  • Partner with engineering leadership and executive stakeholders to define AI adoption measurement frameworks and productivity KPIs.
  • Coordinate analytical initiatives spanning telemetry ingestion, data modeling, experimentation, and executive reporting.

Jul 2022 – Aug 2025

Sr. Data & Analytics Engineer

Mercado Libre

Designed enterprise-scale data products supporting Observability, Governance, and Data Mesh initiatives.

  • Led Data Mesh adoption and stronger data ownership practices across distributed teams.
  • Built AI experimentation and analytics frameworks to measure the impact of Generative AI solutions.
  • Designed ML systems, scalable feature store architectures, and analytical platforms supporting internal products.
  • Developed data governance models and analytical initiatives improving operational visibility and executive decision-making.

Apr 2021 – Jul 2022

Data Engineer

NTT Data — Client: Itaú Unibanco, Latin America's largest private bank

Designed and implemented cloud-native data solutions supporting regulatory and business requirements.

  • Translated complex Brazilian Central Bank requirements into production-grade systems.
  • Built cloud-native ETL pipelines and Infrastructure-as-Code solutions using AWS services including Lambda and Glue.
  • Designed a dynamic rule-based architecture capable of adapting to frequent business rule changes without modifying core logic.

◎ education

PG

Data Science, BI, Big Data & Analytics

Uniderp University, Brazil

BSc

Civil Engineering

ESAMC University, Brazil

✶ languages

PortugueseNative
EnglishAdvanced
SpanishAdvanced