




Job Summary: Design and scale innovative and secure systems in a dynamic environment with cutting-edge technology, applying engineering best practices and AI to democratize e-commerce and financial services across Latin America. Key Highlights: 1. Design and scale innovative and secure systems 2. Work with cutting-edge technology and proprietary AI models 3. Improve team culture and processes with ideas and high-quality code As a **Software Engineer** at Mercado Livre, you will design and scale innovative and secure systems that solve real-world, high-impact problems. You will work in a dynamic environment with cutting-edge technology, applying engineering best practices, proprietary AI models, and continuous learning—all to democratize e-commerce and financial services across Latin America. Imagine\-yourself leading challenging, dynamic, and innovative projects and being **responsible for:** * Participating in the conception and development of the new user-facing experience for tax data declaration, ensuring usability, security, and regulatory compliance; * Building and evolving microservices in Golang, using Clean Architecture and event-driven architecture to ensure low coupling and high scalability; * Helping improve team culture and processes with ideas, best practices, and, of course, high-quality code. * Collaborating with the software development team across Mercado Livre's IT staff areas. **What we’re looking for in you?** * Experience in backend development with Golang or Java. * Solid knowledge of application design (Clean Architecture, SOLID, Clean Code); * Experience with microservices, CI/CD, messaging systems, and high-demand environments; familiarity with observability tools (New Relic, Kibana, Datadog); * Experience with REST APIs, distributed systems, asynchronous communication, and automated testing. **Are you excited to leave your mark on Latin American technology?** Apply now and join our purpose! Hybrid work model. Location: Osasco, São Paulo.


