Job Summary: As a Frontend Software Engineer at Mercado Libre, you will design and scale innovative and secure systems that solve real-world, high-impact problems. Key Highlights: 1. Design and scale innovative and secure systems 2. Work in a dynamic environment with cutting-edge technology 3. Develop high-quality, resilient, and maintainable code As a **Frontend Software Engineer** at Mercado Libre, 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, 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, resilient, and maintainable code throughout its entire lifecycle. * Designing and maintaining scalable and modular web applications, ensuring simple, fast, and reliable user experiences. * Collaborating on defining breakthrough architectures together with product, UX, and backend teams. * Publishing and maintaining modules within Mercado Libre and Mercado Pago’s frontend applications. * Participating in code reviews, automated testing, and observability strategies to ensure performance and reliability. **What are we looking for in you?** * More than 4 years of experience in similar roles, developing web applications with **JavaScript, React, and Node.js** (Desirable interest and knowledge in backend programming languages \- Java/Go) * Solid understanding of object-oriented programming, design patterns, and microservices-based architectures. * Experience working on large-scale projects, ensuring quality and security in the user experience. * Advanced student or graduate in **Systems Engineering, Computer Science**, or related fields. **Are you ready to leave your mark on Latin American technology?** Apply now and join our purpose! *Hybrid work model.* ***Site: Bogotá, Colombia***