Senior Data Scientist Reinforcement Learning – Offer Intelligence

📋 Description You architect and prototype advanced regression models (linear, GLM, mixed-effects, Gaussian You design and productionise personalisation and recommendation systems - two-tower retrieval You apply techniques like SVI, MCMC, and importance sampling to enable robust decision-making under You build and maintain reproducible pipelines for feature engineering, label generation, and You deploy models via FastAPI, Docker, or Kubeflow, and establish real-time monitoring with You design sophisticated A/B and multivariate tests, apply quasi-experimental and causal impact 🎯 Requirements Expertise: You bring deep statistical chops, with 5+ years of applying regression, hierarchical Computing proficiency: You have a well-stocked Bayesian toolbelt - fluent in PyMC, Stan, NumPyro Modeling: You have proven experience scaling inference using SVI, black-box VI, or advanced MCMC Personalisation (nice to have): You have experience with recommender and personalisation stacks - Engineering practices: You write solid, production-grade Python code and are familiar with type Infrastructure: You are hands-on with cloud platforms like AWS, GCP, or Azure, and have experience 🎁 Benefits A Global Tech Hub in Lisbon: Join a thriving international tech community and work alongside Learning & Knowledge Exchange: Level up through regular events with internal and external Flexible Work Setup: Two office days a week, flexible hours, and modern spaces built for both deep Time Off & Wellbeing: Enjoy 28 vacation days per year, an additional day off on your birthday Practical Everyday Benefits: Get a yearly Coverflex allowance and a daily meal allowance to make SIXT Perks: Get exclusive rates on all SIXT services, with special discounts extended to your