Klar logo
Klar

We believe everyone should live well

Data Scientist

Location

Germany

Posted

143 days ago

Salary

0

Seniority

Senior

Postgraduate Degree5 yrs expEnglishKerasPandasPythonPyTorchScikit-LearnSQLTensorflow

Job Description

Data Scientist

Klar

• Design, build, and optimize Machine Learning models powering origination, behavioral scoring, limit management, and early-warning systems • Leverage alternative data sources including transaction behavior, merchant data, and device intelligence to improve predictive performance • Evaluate and implement the infrastructure required to deploy, monitor, and retrain models at scale • Explore the applications of novel architectures (transformers, foundational models, etc.) for credit risk and related tasks • Collaborate with cross-functional teams to identify opportunities for data-driven insights and solutions • Work with other members of the Credit Risk team to build credit policies across the full customer lifecycle: origination, limit management, restructuring, and write-offs • A lot of autonomy and ownership: you will own at least one Machine Learning model end-to-end • Communicate findings and insights to technical and non-technical stakeholders

Job Requirements

  • Master's degree or above in Data Science, Computer Science, Statistics, Mathematics, or a related field
  • 5+ years of experience in Data Science, Machine Learning, or a related field
  • Strong proficiency in Python and SQL
  • Experience with Machine Learning libraries such as Scikit-Learn, XGBoost, TensorFlow, Keras, and Pytorch
  • Experience owning models or analytical systems end to end, including performance monitoring, retraining, documentation, and stakeholder alignment
  • Comfort using AI coding assistants, such as Claude Code and Codex, to improve productivity
  • Proficiency in data analysis, visualization, and manipulation tools such as Pandas, Matplotlib, and Seaborn
  • Optional, but a plus: Experience with credit risk, fraud, underwriting, lending, financial services, or another regulated decisioning domain
  • Experience with dbt (Data Build Tool) to transform SQL data
  • Experience working with novel, transformer-based architectures
  • Strong problem-solving skills and the ability to think creatively
  • Ability to communicate model tradeoffs, risk implications, and business impact to technical and non-technical stakeholders

Benefits

  • Competitive salary based on performance and experience
  • Chance of earning Klar stock options
  • 26 days of paid vacation per year
  • Computer devices
  • Wellhub subscription to offer mental and physical health
  • Sponsored coaching and therapy sessions via Modern Health
  • Training budget to upskill your learning
  • Health insurance & Pension scheme
  • BVG Corporate ticket Berlin office if you prefer to work onsite
  • International work environment with amazing and highly skilled people
  • A world class team that helps you evolve your skills in areas you're interested in

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