Data Scientist - Fraud

New York City or Columbus, OH, United States /
Data Science /
About Klarna

Klarna was founded in Stockholm, Sweden in 2005. Since then we've changed the banking industry forever. And now we're creating the world's smoothest shopping experience. We serve over 90 million consumers worldwide, and partner with 250,000 merchants – with a new merchant joining us every 8 minutes. Including some of the world's leading brands, such as H&M, ASOS, IKEA, Adidas, Samsung and Lufthansa. Our offices are spread over 17 different markets, hosted by 4000+ employees from 100+ nationalities.

This Data Scientist role will work closely with our fraud teams to build and deploy models that classify transactions.

As a Data Scientist at Klarna you will

    • Develop state of the art models to classify transactions and individuals
    • Bring your ideas to production using AWS
    • Be involved in the whole process of model development. This includes everything from root cause analysis, data collection and feature engineering to training, validating and implementing machine learning models, computing performance statistics and live model monitoring
    • Work closely with several engineering teams and business analysts to find new and smart ways of consolidating data and making use of it in order to make better models and ultimately better predictions
    • Be part of the Engineering organisation. Hence your workflow will be software-driven in terms of deploying models to production, using version control, and in general employing software engineering best practices
    • Be innovative, cooperative, collaborative, open and have a flexible mindset with critical thinking

In order to be successful in this role we believe that you will have:

    • Strong programming skills in Python, SQL and experience with popular machine/deep learning packages (e.g. scikit-learn, keras, tensorflow, mxnet)
    • Experience with & knowledge of: Cloud platforms such as AWS or Google Cloud; Big data using Hive, Spark, EMR
    • The theoretical foundations of classical and recent machine learning models and algorithms, such as generalized linear models, random forests and ensemble methods, deep neural networks etc.
    • A degree from a university in a highly technically numerate subject (e.g. Maths, Physics, Engineering or Economics).
Klarna is an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees and candidates. Please refrain from including your picture and age with your application.