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Job Summary: As a Backend Software Engineer at Mercado Livre, you will design and scale innovative and secure systems in a dynamic environment, 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 in a dynamic environment. 2. Work with cutting-edge technology, proprietary AI, and continuous learning. 3. Lead challenging and innovative projects with high impact. As a **Backend 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 leveraging cutting-edge technology, engineering best 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: * Developing high-quality code, performing complex refactors, and conducting code reviews. * Designing and maintaining robust, scalable APIs to ensure resilient, modular solutions aligned with business objectives. * Making data-driven decisions using dashboards, analytical tools, and collective team experience. * Designing distributed architectures using advanced patterns. * Defining testing and observability strategies, implementing automated tests, metrics, and logs to ensure reliability and performance. **What we’re looking for in you?** * Intermediate or advanced Spanish proficiency. * Experience with programming languages such as Golang and/or Java. * Experience designing and developing distributed architectures and microservices. * Experience with testing, ensuring high security standards. * Familiarity with AI tools (ChatGPT, Gemini, Claude) and IDEs. **Are you excited to leave your mark on Latin America’s technology landscape?** Apply now and join our mission! Hybrid work model. Location: Osasco, São Paulo.
