Lead Data Scientist

What You Will Do You will work on some of the most technically interesting modelling problems in fintech, training large transformer-based models on long sequences of real-world transactional events. You will design tokenisation schemes for numerical, categorical, and temporal features, making deliberate decisions about vocabulary size, sequence length, and...

Responsibilities Build and deploy ML models to protect Klarna’s customers from fraudulent activities (e.g. account takeover or identity theft fraud). Lead data science projects, from problem definition until deployment. Monitor, maintain, and retrain existing ML models in production. Explore, engineer, and test new potential features to help models in...

Senior/Lead Data Scientist - Open BankingJob detailsData ScienceMilanFull-time€65,133 EUR - €93,142 EUR**What you will do**As a Senior Data Scientist within our Open Banking team, you will build the analytical foundation that turns raw bank account data into reliable, actionable insight for fraud prevention and underwriting decisions. You will engage in...

Job-ID: c1a4f6d4-21e5-49fb-8ecc-84a6b28cfb20Location: MilanSalary: 65133 - 93142 EURType: Full timePosted: 2026-06-24Contact: you will do You will work on some of the most technically interesting modelling problems in fintech, training large transformer-based models on long sequences of real-world transactional events. You will design tokenisation schemes...

PLP Group in Milan is seeking a Senior Data Scientist to turn raw bank account data into reliable insights for fraud prevention and underwriting decisions. You will engineer features across cash flows and build models that estimate default risk and fraud scores.You will own the full lifecycle from data to production, collaborate with Engineering to deploy at...

Senior/Lead Data Scientist -Credit Risk ModelingJob detailsData Science / Data ScienceMilanFull-time€65,133 EUR - €93,142 EURAt Klarna, our credit risk models sit at the heart of how we underwrite and price risk for millions of consumers globally. We're looking for a Lead Data Scientist to help shape the next generation of consumer-level credit scoring...

Overview In this role you will shape Klarna’s next‑generation consumer credit scoring and portfolio valuation models. You will build real‑time PD models and calibration frameworks that support underwriting and economic return optimization. Working with cross‑functional teams, you will translate modeling insights into credit policies while mentoring...

Klarna in Milan seeks a Lead Data Scientist to shape next-generation consumer-level credit scoring and portfolio valuation models. You will design real-time PD models, calibrate frameworks, and ensure regulatory and fairness standards while exploring LLMs for explainability.Join a cross-functional team, translate insights into policy, and mentor junior...

Klarna is seeking a Lead Data Scientist for credit risk modeling to shape next-generation consumer-level scoring and portfolio valuation models. You will design real-time PD models, calibrate them, and integrate them into underwriting frameworks to optimize economic returns.You will mentor junior team members, collaborate across functions, and stay aligned...