




Job Summary: As a Frontend Software Engineer, you will design and scale innovative and secure systems to democratize e-commerce and financial services across Latin America. Key Highlights: 1. Work in a dynamic environment with cutting-edge technology and proprietary AI. 2. Design, implement, and maintain robust and effective web applications. 3. Solve user experience issues with high-quality code. As a **Frontend 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, applying engineering best practices, proprietary AI models, and continuous learning—all toward the goal of democratizing e-commerce and financial services across Latin America. Imagine yourself leading challenging, dynamic, and innovative projects—and **being responsible for**: * Understanding user problems and needs, using this insight to adjust project plans and improve user experience. * Designing, implementing, and maintaining web applications, ensuring they are robust and effective. * Promoting a culture of continuous improvement and introducing engineering best practices to the team. * Translating business requirements and cross-team inputs into tasks, planning them, and building scalable technical solutions collaboratively with your team. * Solving user experience issues by developing high-quality, resilient code throughout its entire lifecycle. **What we’re looking for:** * Experience as a Frontend Developer, including proficiency in React JS, JavaScript, TypeScript, CSS, SASS, Node JS, and Express. * Experience with SSR (Server-Side Rendering) and with monitoring and observability using tools such as Datadog, New Relic, and Grafana. * Knowledge of and experience applying design patterns, as well as experience consuming and implementing APIs. * Familiarity with GenAI, LLMs, and MCP is a plus. **Are you excited to leave your mark on Latin American technology?** Apply now and join our mission! Hybrid work model. Office located in Melicidade, Osasco-SP.


