SIXT is hiring
Senior Data Scientist Reinforcement Learning – Offer Intelligence (m/f/d)
📋 Description
- Architect and prototype advanced regression models (linear, GLM, mixed-effects, Gaussian Process)
- Design and productionise personalisation and recommendation systems - two-tower retrieval
- Apply techniques like SVI, MCMC, and importance sampling to enable robust decision-making under
- Build and maintain reproducible pipelines for feature engineering, label generation, and automated
- Deploy models via FastAPI, Docker, or Kubeflow, and establish real-time monitoring with Bayesian
- Design sophisticated A/B and multivariate tests, apply quasi-experimental and causal impact methods
🎯 Requirements
- 5+ years of applying regression, hierarchical models, or state-space methods in production
- Fluent in PyMC, Stan, NumPyro, TFP, or similar Bayesian toolbelt
- Proven experience scaling inference using SVI, black-box VI, or advanced MCMC techniques
- Solid, production-grade Python code with type hints, testing frameworks, and CI/CD workflows
- Hands-on with cloud platforms like AWS, GCP, or Azure, and experience with containerization
- Communicate uncertainty, lift, and risk in plain English for executives
🎁 Benefits
- A Global Tech Hub in Lisbon with a thriving international tech community
- Learning & Knowledge Exchange through regular events with internal and external speakers
- Flexible Work Setup: two office days a week, flexible hours, and modern spaces
- Time Off & Wellbeing: 28 vacation days per year, birthday day off, volunteer day, and private
- Practical Everyday Benefits: yearly Coverflex allowance and daily meal allowance
- SIXT Perks: exclusive rates on all SIXT services with discounts for family and friends
