Job Summary: Design and scale innovative and secure systems that solve real-world, high-impact problems, applying AI and continuous learning to democratize e-commerce and financial services. Key Highlights: 1. Design and scale innovative and secure systems 2. Work with cutting-edge technology and proprietary AI models 3. Lead challenging, dynamic, and innovative projects As a **Machine Learning 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 using cutting-edge technology, applying sound engineering practices, proprietary AI models, and continuous learning, with the goal of democratizing e-commerce and financial services across Latin America. Imagine leading challenging, dynamic, and innovative projects and **being responsible for**: * Developing high-quality code, performing complex refactors, and participating in code reviews focused on MLOps pipelines. * Designing robust and scalable APIs for serving Machine Learning models, aligned with business objectives. * Implementing automated processes for training, validation, deployment, and continuous monitoring of Machine Learning models. * Designing distributed architectures applying advanced patterns for MLOps infrastructure. * Defining testing and observability strategies for Machine Learning models and pipelines, ensuring reliability and performance in production. * Maintaining stability and resilience of Machine Learning systems in production environments. **What are we looking for in you?** * More than 4 years of experience in similar roles using Golang and Python. * Solid experience with MLOps practices and tools. * Experience designing distributed architectures and microservices oriented toward Machine Learning systems. * Experience testing production systems with a focus on security and reliability. * Knowledge of relational and non-relational databases applied to Machine Learning systems. **Are you ready to leave your mark on Latin American technology?** Apply now and join our purpose! *Hybrid work mode. Site Cali \- Colombia.*