Job Summary: As a Senior Software Engineer at Mercado Libre, you will design and scale innovative and secure systems to democratize e-commerce and financial services across Latin America. Key Highlights: 1. Design and scale innovative and secure systems 2. Work in a dynamic environment with cutting-edge technology 3. Apply engineering best practices and proprietary AI models As a **Senior 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—aiming to democratize e-commerce and financial services across Latin America. Imagine embarking on challenging, dynamic, and innovative projects and **being responsible for:** * Developing algorithms, models, and automated tools to scale infrastructure cost optimization and alerting processes. * Collaborating with various stakeholders during solution ideation to meet both technical and business expectations. * Designing and maintaining software aimed at optimizing technological resources through capacity planning and anomaly detection models. * Identifying and implementing automated processes to improve platform operational efficiency and accuracy. * Creating detailed technical documentation and workflows to facilitate knowledge sharing within the team. **What are we looking for?** * Strong expertise in software development and design applied to large-scale distributed systems. * Proficiency in programming languages and data tools such as Python and SQL. * Experience applying design patterns to build robust architectures. * Experience with cloud computing services and API and MCP integrations. * Intermediate or advanced English language proficiency for global collaboration. Are you ready to make your mark on Latin American technology? **Apply now and join our mission!** *Hybrid work mode. Site Saavedra, CABA*