Software Engineer - Fullstack

Description

Job Summary: Fullstack Software Engineer at Mercado Livre to design and scale innovative, secure systems, applying engineering best practices and AI to democratize e-commerce and financial services across Latin America. Key Highlights: 1. Develop high-quality backend (Go) and frontend (React) code 2. Design and maintain robust, scalable APIs in Golang 3. Contribute to the design of distributed architectures As a **Fullstack Software Engineer** at Mercado Livre, you will design and scale innovative, secure systems that solve real-world, high-impact problems. You will work in a dynamic environment leveraging cutting-edge technology, engineering best practices, proprietary AI models, and continuous learning—all with the purpose of democratizing e-commerce and financial services across Latin America. Imagine yourself leading challenging, dynamic, and innovative projects and **being responsible for:** * Developing high-quality code, performing complex refactors, and conducting *code reviews*, working across backend (Go) and frontend (React). * Designing and maintaining robust, scalable APIs in Golang, and developing responsive, performant user interfaces in React—ensuring resilient, modular solutions. * Contributing to the design of distributed architectures, applying advanced design patterns. * Defining testing and observability strategies, implementing automated tests, metrics, and logs to ensure reliability and performance from *front* to *back*. * Contributing across all phases of the software lifecycle—from conception through deployment and production monitoring. **What we’re looking for in you:** * Solid experience in similar roles. * Proficiency in backend development using Golang and frontend development using React. * Knowledge of design patterns, distributed architectures, and microservices. * Experience with relational and non-relational databases. * Experience with the software lifecycle and writing high-quality tests. * Familiarity with AI tools such as Claude/Claude Code is desirable. **Are you excited to leave your mark on Latin American technology?** Apply now and join our mission! Hybrid work model. Office located in Osasco - SP