PrimeITis a leading company with over 18 years of experience in providing IT, Telecommunications, and Engineering technological services.Specialized in Team Extension, Managed Services, Custom Software, and Nearshore, we currently have a team of over 2350 professionals collaborating on national and international projects across various technologies.We are looking for aData Scientistfor this project!Responsibilities: Analyze historical banking data and build ML models forfraud detection. Clean, validate and preprocess data from multiple sources. Create and iterate on features and customer behavior metrics. Collaborate with internal teams and client stakeholders to refine and improve model performance. Present findings to the Project Manager and support DS-related decision-making.What are we looking for? Strong experience inMachine Learning, including model training/testing and overfitting prevention. Proficiency inPythonand Big Data technologies ( Spark,Hadoop). Ability to clean, preprocess and validate large andcomplex datasets. Knowledge ofdetection-focused algorithms, especially tree-based models (Random Forest, XGBoost, LGBM). Clear communication skills for presenting technical results to stakeholders.What do we offer? Integration into an international company with a presence in over 50 cities worldwide; Continuous training in the latest and most innovative technologies – Prime Academy; Career guidance and progression.Send us your CV and join the Prime team!