Referso Jobs

Staff Data Scientist Reinforcement Learning – Offer Intelligence (m/f/d)

SIXT · Posted Nov 11, 2026

Open

Munich, Bavaria, Germany
Hybrid
Staff
5+ years

Staff Data Scientist Reinforcement Learning – Offer Intelligence (m/f/d)

SIXT · Posted Nov 11, 2026

Open

Munich, Bavaria, Germany
Hybrid
Staff
5+ years

Staff Data Scientist Reinforcement Learning – Offer Intelligence (m/f/d)

SIXT · Posted Nov 10, 2026

Open

Lisbon, Lisbon District, Portugal
Hybrid
Staff
5+ years

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Lead the design, development, and deployment of advanced Bayesian and reinforcement learning models to power pricing and offer personalization at SIXT.

Responsibilities

Architect and prototype advanced regression models with Bayesian approach
Design and productionise personalisation and recommendation systems
Apply SVI, MCMC, importance sampling for robust decision-making
Build reproducible pipelines for feature engineering and automated validation
Deploy models via FastAPI, Docker, or Kubeflow and monitor real-time performance

Requirements

Nice to have: Recommender systems
Nice to have: Two-tower retrieval
Nice to have: Embedding-based candidate generation
Nice to have: Learning-to-rank
Nice to have: Sequential models

Skills

Bayesian statistics Hierarchical models State-space methods SVI MCMC Importance sampling

Data Scientist - Retail - Python, SQL, Inferencia Causal

Option · Posted Nov 10, 2026

Open

Santiago, Santiago Metropolitan Region, Chile
Senior
5+ years

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Senior Data Scientist especializado en experimentación y medición de impacto causal, liderando el diseño, ejecución y análisis de experimentos A/B y métodos cuasi-experimentales para impulsar decisiones de negocio.

Responsibilities

Diseñar y medir el impacto de iniciativas basadas en evidencia causal sólida
Liderar el diseño y la medición de experimentos A/B de principio a fin
Definir métricas y metodologías de medición
Analizar resultados y defender conclusiones ante stakeholders
Implementar modelos de ML en producción y medir su impacto incremental

Requirements

Master's
PhD
Nice to have: GCP
Nice to have: BigQuery
Nice to have: Vertex AI

Skills

Python SQL pandas scikit-learn XGBoost LightGBM statsmodels DoWhy

Experienced Data Scientist for Agentic Applications

Arla Foods Inc. (US) · Posted Nov 6, 2026

Open

Aarhus, Central Jutland, Denmark +2 more
Hybrid
Full-time · Senior
5+ years

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Lead data science initiatives for Net Revenue Management platform, building and operationalizing statistical, econometric, and machine learning models to drive commercial decisions.

Locations (3)

Aarhus, Central Jutland, Denmark
Gdańsk, Pomerania, Poland
Viby J, Central Jutland, Denmark

Compensation

competitive salary and benefits

Responsibilities

Build and operationalize forecasting, pricing, and promotional effectiveness models
Design and develop statistical, econometric, and machine learning models
Apply ML models to evaluate commercial initiatives
Partner with engineers to establish scalable MLOps and model monitoring
Translate business opportunities into scalable analytical solutions

Postdoctoral Scholar

Tufts University · Posted Nov 4, 2026

Open

Medford, Massachusetts, United States
$68K–$68K per year
1–2 years

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Support applied cognitive science research at the Center for Applied Brain and Cognitive Sciences by providing statistical analysis, modeling, and mentorship.

Compensation

Minimum $67,500.00, Midpoint $67,500.00, Maximum $67,500.00

Responsibilities

Provide statistical support across ongoing research projects
Conduct statistical modeling using mixed effect/multilevel models and regression frameworks
Develop and document code and pipelines using R and Python
Assist in training and mentoring junior team members on data preprocessing and analysis
Conduct data-driven research in support of CABCS objectives

Requirements

PhD in Psychology, Cognitive Science, Statistics, or a related field
Nice to have: structural equation modeling (SEM)
Nice to have: machine learning techniques
Nice to have: psychometric network analysis
Nice to have: AR/VR technologies

Skills

regression (linear/logistic/lasso/ridge/elastic net)mixed models PCA/FA non-parametric methods

Staff Data Scientist Reinforcement Learning – Offer Intelligence (m/f/d)

Staff Data Scientist Reinforcement Learning – Offer Intelligence (m/f/d)

Responsibilities

Requirements

Skills

Benefits

Staff Data Scientist Reinforcement Learning – Offer Intelligence (m/f/d)

Responsibilities

Requirements

Skills

Data Scientist - Retail - Python, SQL, Inferencia Causal

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Experienced Data Scientist for Agentic Applications

Locations (3)

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Postdoctoral Scholar

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Pymc jobs

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Locations (3)

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