Senior Machine Learning Engineer

1 giorno fa

Varese VA, Provincia di Varese; Lombardia, Italia Klarna Tempo pieno

Overview

In this role you lead the productionization of consumer credit underwriting models, turning data-science experiments into reliable, scalable production pipelines. You own the ML infrastructure and deployment, working with a cross‐functional team across Stockholm, Milan and Warsaw to grow Klarna's in‐house data science capability in credit risk and fraud. You'll build and maintain the end-to-end ML pipeline, from feature computation to retraining and monitoring, delivering robust models in production. This is a hands-on engineering role focused on delivering impactful, scalable solutions in a fast‐paced fintech environment.

Responsabilità

  • Write production Python to train credit underwriting models (tree-based models)
  • Build and maintain ML pipeline infrastructure from feature computation through retraining and monitoring
  • Deploy models into production using tools like AWS SageMaker and ensure ongoing operation
  • Troubleshoot end-to-end pipeline issues and own the lifecycle of deployed models
  • Scale Klarna's in-house data science capability as the credit risk and fraud teams grow

Requisiti fondamentali

  • Production Python for ML: training models, not just prototyping
  • Experience taking ML models/pipelines from development to production and owning them
  • Hands-on with tree-based models
  • Deployment and operation of ML workloads on AWS or equivalent cloud
  • Understanding full SDLC and applying it to ML code
  • Collaboration with data scientists to build reliable pipelines
  • English communication (spoken and written)
  • Clear communication
  • Cross-functional collaboration
  • Ownership and accountability
  • Python for ML (production)
  • Tree-based models
  • AWS SageMaker or equivalent cloud deployment