Description
Job Summary:
The Backend Software Engineer at Mercado Livre designs and scales innovative systems to democratize e-commerce and financial services across Latin America, leveraging cutting-edge technology and AI.
Key Highlights:
1. Work in a cross-ecosystem team spanning Mercado Pago and Mercado Livre
2. Work with cutting-edge technology and proprietary AI models
3. Use GenAI (Claude) to accelerate development and optimization
As a **Backend Software Engineer** at Mercado Livre, you will design and scale innovative, secure systems that solve real-world, high-impact problems. You will join a team responsible for the Audience Engine, operating cross\-ecosystem between Mercado Pago and Mercado Livre, impacting multiple business flows across several Latin American countries. You will work in a dynamic environment powered by cutting-edge technology, applying sound engineering practices, proprietary AI models, and continuous learning—all aimed at democratizing e-commerce and financial services across Latin America.
Imagine yourself leading challenging, dynamic, and innovative projects and being **responsible for:**
* Implementing, testing, and maintaining software solutions focused on scalability, low cost, and performance;
* Collaborating with cross\-functional teams on analysis, solution design, development, and feature deployment;
* Defining and monitoring technical metrics to identify opportunities for continuous product improvement;
* Mentoring less-experienced colleagues, supporting their technical growth and contributing to team deliverables;
* Leading strategic technical initiatives and participating in on-call rotations to support area sustainability;
* Using GenAI tools such as Claude to accelerate the development lifecycle, assist in code generation and review, and propose solutions more agilely.
**What we’re looking for in you?**
* Solid backend development experience with Golang and/or Java, including strong software engineering practices and daily use of GenAI tools (e.g., Claude) to support code writing, review, and optimization;
* Designing and consuming REST APIs with solid understanding of the HTTP protocol;
* Working with relational and non-relational databases (e.g., MySQL, MongoDB) and messaging systems (e.g., Kafka, RabbitMQ, Google Pub/Sub);
* Operating observability tools (e.g., New Relic, Datadog, Kibana, Grafana) for problem diagnosis and resolution;
* Demonstrating proactivity, autonomy, and systemic thinking to proactively propose solutions, while collaborating effectively and maintaining a continuous drive for learning and technical growth.
**Are you excited to leave your mark on Latin America’s technology landscape?**
Apply now and join our mission!
Work mode: Hybrid. Office location: **Osasco, São Paulo.**