Job Summary: An analyst role focused on data analysis, fraud risk reduction, and efficiency improvement, working with Machine Learning, Business, and Product teams to drive positive business impact. Key Highlights: 1. Radiate entrepreneurial energy and focus on surpassing limits 2. Lead initiatives to reduce fraud losses and maximize user experience 3. Be part of an entrepreneurial company with challenging projects At Mercado Livre, we are democratizing commerce and financial services to transform people’s lives across Latin America. Join this mission! At Mercado Envios, we manage the inventory of sellers and deliver products to buyers, enhancing their experience on our platform. In a world of constant evolution, our ability to rapidly deliver products purchased via Mercado Livre has become a requirement for competitiveness. Join the team leading logistics across Latin America, delivering world-class customized solutions and integrating local and regional carriers through borderless commerce. **We seek individuals who:** * Radiate entrepreneurial energy: driven by curiosity, never giving up, and focused on surpassing their own limits. * Give their utmost because they love working with commitment and dedication. * Embrace change as opportunity and learn from their mistakes. * Prioritize excellence and execution in everything they do. * Foster a positive, joyful, and fun work environment. * Know how to build together with others and enjoy teamwork. Imagine yourself leading dynamic, innovative, and challenging projects, **and being responsible for:** * Analyzing large volumes of data to derive insights and make decisions aimed at reducing fraud risk and generating positive business impact. * Analyzing transactions to identify patterns, produce quantifications, and implement solutions that increase the efficiency of our tools. * Detecting deviations in key performance indicators, identifying root causes of issues, and implementing changes to reverse negative trends. * Supporting the Data Science team in tasks such as model selection, A/B testing, hypothesis formulation, threshold calibration, and feature engineering. * Leading product initiatives to reduce fraud losses and maximize the experience of users of our services. * Collaborating closely with Machine Learning, Business, and Product teams (among others), seeking synergies that generate positive business impact while ensuring an excellent working environment. * Creating dashboards to monitor metrics. **Requirements:** * Bachelor’s degree in Engineering, Actuarial Science, Computer Science, Economics, or related fields. * Experience with Excel, Google Sheets, SQL (basic – mandatory), databases, and Tableau (preferred). * Knowledge of statistics, data mining, machine learning, and related areas enabling effective collaboration with data scientists. **We offer you:** * The opportunity to join an entrepreneurial company where we love thinking big and long-term. * The chance to be the protagonist of your development in an environment rich in opportunities, learning, growth, expansion, and challenging projects. * The chance to share and learn as part of a team with outstanding professionals and experts. * An excellent work environment, equipped with everything needed for you to have a great experience. :) Mercado Livre does not contact candidates offering opportunities in exchange for monetary payment. All open positions are available on our careers website. If you receive any request for money, please be cautious!