Sr CS Engineer
Core
Design and scale innovative, secure systems that solve real-world problems for Mercado Livre's e-commerce and financial services in Latin America.
Role type
Senior IC Software Engineer (Java/Spring Boot)
Builds
Highly efficient, reliable, and scalable services for e-commerce and financial platforms
Domain
E-commerce and Financial Services
Deliverable
production ML models
Required skills
Java 17+, Spring Boot, asynchronous messaging (Kafka, RabbitMQ), distributed concurrency, relational databases (PostgreSQL, MySQL), observability (Datadog, New Relic), AI coding tools (Claude Code, GitHub Copilot)
Preferred skills
None stated
Technologies
Java, Spring Boot, Kafka, RabbitMQ, PostgreSQL, MySQL, Datadog, New Relic, Claude Code, GitHub Copilot
Responsibilities
Communicate directly with data science and business teams; analyze, develop, and maintain efficient and scalable services; ensure end-to-end technical quality; minimize operational costs; ensure system stability and observability; evolve application architecture
Seniority
Senior, hands-on IC