Data Scientist Sênior (Prevenção a Fraudes)

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Data Scientist Sênior (Prevenção a Fraudes) based in Brazil. As a Senior Data Scientist, you will help build and scale Machine Learning solutions designed to prevent transactional financial fraud. You will own Data Science initiatives end to end, from framing business problems to deploying and sustaining models in production. The role combines advanced analytics, real-time inference, MLOps, and large-scale data processing in high-volume environments. You will optimize models and infrastructure for reliability, low latency, scalability, and measurable business impact. Close collaboration with Product, Operations, Engineering, and technical leadership will be essential to turn analytical solutions into production capabilities. You will also contribute to stronger model monitoring, experimentation, observability, and continuous improvement practices. This is a fully remote opportunity for someone who wants to solve complex fraud challenges in a collaborative, fast-moving Data & AI environment.