SR Software Engineer - Data
Core
Design and scale innovative, secure systems that solve real-world problems in e-commerce and financial services across Latin America.
Role type
Senior backend software engineer (data systems)
Builds
Highly efficient, reliable, and scalable services for Mercado Livre's e-commerce and financial platforms
Domain
E-commerce and financial services in Latin America
Deliverable
production ML models
Required skills
Java, microservices architecture, REST APIs, asynchronous messaging (Kafka), distributed concurrency, analytical databases (BigQuery), relational databases (PostgreSQL, MySQL), NoSQL (key-value), AI coding tools (Claude Code, GitHub Copilot, Codex)
Preferred skills
Experience in streaming and batch processing, features stores
Responsibilities
Collaborate with Data Science and Data Analytics teams to define priorities and connect business needs to technical implementation; Develop and maintain efficient, reliable, and scalable services; Ensure end-to-end technical quality; Minimize operational costs of production solutions; Ensure system stability and observability; Gain expertise in streaming, batch processing, and features stores