Senior Front End Software Engineer - Marketplace

Description

Job Summary: As a Front End Software Engineer at Mercado Livre, you will design and scale innovative and secure systems, applying engineering best practices and AI to democratize e-commerce and financial services. Key Highlights: 1. Evolve the frontend architecture, ensuring scalable and sustainable solutions. 2. Develop and maintain automated tests, including end-to-end (E2E) tests. 3. Serve as a technical reference, promoting best practices and growth. As a **Front End 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 powered by cutting-edge technology, applying 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:** * Evolving the frontend architecture to ensure scalable, sustainable, and business-goal-aligned solutions. * Making data-driven decisions using engineering and business metrics, dashboards, and analytical tools. * Developing and maintaining automated tests, including end-to-end (E2E) tests, to ensure reliability and security in deliveries. * Participating in RFC authoring, contributing technical analyses, structured proposals, and architectural decisions. * Serving as a technical reference within the team, promoting best practices and supporting the growth of fellow developers. **What we’re looking for in you:** * Solid experience in scalable Web Frontend development, with proficiency in modern frameworks such as React. * Experience with automated testing, including unit, integration, and end-to-end (E2E) tests. * Prior application of best practices in performance, accessibility, and frontend code quality. * Ability to actively participate in technical discussions and contribute to architectural decisions. **Are you excited to leave your mark on Latin America’s technology landscape?** Apply now and join our purpose! Hybrid work mode. Office in São Paulo