Senior Data Scientist - Churn & CLV

About the role

iXceed Solutions, a talent and digital recruitment firm serving Fortune 100 companies, is hiring a Senior Data Scientist in Zurich, Switzerland. The role drives customer analytics and machine learning focused on churn prediction, customer lifetime value (CLV), propensity modelling and personalisation, evaluating existing models and improving retention and engagement. The position is permanent and full-time, with a hybrid setup of three days per week in the office.

Key responsibilities

• Assess and optimise existing churn models and recommendation systems.
• Define modelling strategies, features, targets and performance metrics.
• Drive CLV, churn and propensity modelling initiatives.
• Design A/B testing, uplift modelling and statistical experiments.
• Establish model explainability, fairness and governance standards.
• Translate business requirements into actionable data science solutions.

Required profile

• 10+ years of experience.
• Expertise in churn prediction, CLV, propensity modelling and survival analysis.
• Knowledge of A/B testing, uplift modelling and power analysis.
• Nice to have: recommender systems, ranking models, next best offer, price-sensitivity modelling and telecom domain experience.

Required skills

• Python, Pandas, Scikit-learn and SQL.
• XGBoost, LightGBM and PyTorch/TensorFlow.
• SHAP, model calibration and fairness assessment.
• AWS SageMaker (training, pipelines, feature store, model registry).
• Redshift, Athena or Spark.
• Nice to have: AWS Bedrock, LangGraph; price-sensitivity modelling and telecom experience.