Senior Data Science - Mercado Envios - IT

Description

Job Summary: As a Senior Data Scientist at Mercado Livre, you will design and scale innovative and secure systems to democratize e-commerce and financial services across Latin America. Key Highlights: 1. Serve as a technical reference in data science within multidisciplinary teams. 2. Propose solutions that add value to services in a dynamic environment. 3. Develop machine learning models to drive new business initiatives. As a **Senior Data Scientist** 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 leveraging cutting-edge technology, applying sound engineering 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**: * Serving as a technical reference in data science within multidisciplinary teams. * Collaborating with business and product teams to propose solutions that add value to services. * Developing time-series models for commercial areas and estimating elasticity between investments and sales. * Building machine learning models to capture patterns and behaviors that drive new business initiatives. * Effectively presenting results to stakeholders across all levels of the organization, translating operational problems into technical solutions. * Monitoring and improving forecasting models, collaborating throughout the development lifecycle and sharing best practices and learnings—using AI tools to enhance productivity. **What we’re looking for:** * Minimum three years of experience in Statistics and Machine Learning as a data scientist. * Solid knowledge of statistics, time series, and application of machine learning and probabilistic models. * Understanding of the bias-variance trade-off and how hyperparameters influence this balance. * Experience with Git—including reviewing PRs and providing efficient feedback. Proficiency in SQL and advanced Python programming—including object-oriented programming, rebase, cherry-pick, diff, reset --hard, and fetch. * Ability to configure and monitor data pipelines—including creating DAGs for workflow orchestration. Are you excited to leave your mark on Latin American technology? Apply now and join our mission! Hybrid work model. Office located in Osasco/SP