As a **Senior** **Data Engineer** at Mercado Libre, you will design and scale innovative and secure data 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 leading challenging, dynamic, and innovative projects—and **being responsible for**: * Collaborating within a multidisciplinary team comprising Software Development and Data & Analytics engineers, analysts, and data scientists. * Executing the data product roadmap, translating business needs into technical solutions, and coordinating the team. * Evaluating and challenging data solution architectures and designs, participating in technical decision-making. * Serving as an architecture reference point, transferring knowledge to foster team development. * Ensuring deliverable quality and monitoring progress against objectives, SLAs, incidents, efficiency, and costs. Analyzing performance metrics and ensuring data consistency and quality. **What are we looking for in you?** * Developing and maintaining robust, scalable ETL processes for data pipelines and data lake architectures. * Implementing and optimizing advanced SQL queries in BigQuery for efficient processing of large-scale datasets. * Automating data transformation processes using Python and version control tools such as GitHub. * Managing relational and non-relational databases, ensuring data integrity and availability. * Creating interactive dashboards and reports in Tableau to facilitate data analysis and visualization. **Are you ready to leave your mark on Latin American technology?** Apply now and join our purpose! Hybrid work model. Location: Argentina