[Job-29983] Senior Data Scientist | Machine Learning and LLM, Brazil

Description

At CI\&T, we help large enterprises transform the potential of AI into real business impact through AI Deployment, AI-native execution, and tech-integrated business solutions. With 30 years of experience in technological transformation, we accelerate innovation with expertise in agentic SDLC, application modernization, Data \& AI, martech, and business strategy. We are 8,000 CI\&Ters across more than 25 countries, collaborating to build solutions with tangible impact. AI is already part of how we work, evolve, and innovate every day. **Important**: If you reside in the Metropolitan Region of Campinas, your presence at the city’s offices is mandatory, per the current attendance policy. We are seeking a Senior Data Scientist to work on strategic projects for transforming the Customer Master Data. You will develop advanced analytical solutions that ensure data quality, integrity, and intelligence, supporting critical business decisions. **Responsibilities:** * Conduct studies and analyses to identify gaps, inconsistencies, and improvement opportunities in master data. * Build statistical and predictive models for inference, recommendation, and data enrichment. * Develop Golden Record models to ensure the best version of the customer master data. * Apply graph techniques to identify complex relationships and opportunities within the Master Data, such as detecting linkages, clusters, and relationship patterns among entities. * Work with large volumes of structured and unstructured data. * Apply data profiling, imputation, and data enrichment techniques. * Collaborate with business and engineering teams to continuously improve data quality. * Support data governance initiatives and Master Data Management (MDM) projects. * Document methodologies, processes, and results clearly and accessibly. **Requirements:** * Proven experience building statistical and predictive models (Linear and Logistic Regression, Decision Trees, Random Forest, Gradient Boosting). * Proficiency in Python and SQL. * Experience with classification and clustering models (K\-Means, DBSCAN, etc.). * Knowledge of graph modeling and analysis (e.g., Neo4j, Graph Data Science) is considered a significant advantage. * Experience in cloud environments (preferably Azure and Databricks). * Completed undergraduate degree in Statistics, Mathematics, Data Science, Engineering, Economics, or related fields. * Experience in financial institutions, banks, and/or insurance companies. * Knowledge of data modeling and data quality practices. * Familiarity with Azure ML, Databricks, and other AI platforms. * Experience with GenAI and modern Data Science techniques (LLMs, embeddings, multimodal models). * Participation in corporate master data, CRM, or data governance projects. * Desired knowledge of Generative AI (GenAI) and modern data analytics techniques. * Experience in projects using graphs for relationship analysis and insight discovery. **Advantages:** * Experience with critical data (customers, identity, master data, KYC). * Knowledge of data quality and governance. * Practical experience with multi-agent systems, cognitive automation, or autonomous decision-based systems. * Experience in regulated environments. \#LI\-PA1 **Our benefits:** * Health and dental insurance; * Meal and food allowance; * Childcare assistance; * Extended parental leave; * Partnerships with gyms and health and wellness professionals via Wellhub (Gympass, TotalPass); * Profit and Results Sharing Program (PLR); * Life insurance; * Continuous learning platform (CI\&T University); * Discount club; * Free online platform dedicated to promoting physical and mental health and overall well-being; * Pregnancy and responsible parenting course; * Partnerships with online learning platforms; * Language learning platform; * And many more More details about our benefits here: https://ciandt.com/br/pt\-br/carreiras At CI\&T, inclusion begins at first contact. If you are a person with a disability, it is important to **submit your medical report during the selection process.** *Check which information must be included in the report* *by clicking here.* This way, we can ensure the support and accommodations you deserve. **If you do not yet have the qualifying medical report, don’t worry: we can support you in obtaining it.** We have a dedicated Health and Wellness team, inclusion specialists, and affinity groups who will accompany you throughout every stage. Count on us to walk this journey side by side.