Senior Data Scientist, Growth & Personalization

Jobtailor; San Mateo (CA); On-site; USD 150,000 - 190,000; Full time

Job summary

Jobtailor is looking for a senior data scientist to lead end-to-end data science initiatives across marketing and customer domains, including personalization, lifecycle optimization, retention, and engagement. You will build, validate, and deploy ML models for propensity, segmentation, and LTV, working with Marketing, Product, CRM, and Engineering to translate business problems into actionable solutions.

You will drive data exploration, feature engineering, modeling, evaluation, and deployment,

Qualifications

• BS or higher in a technical or quantitative field (Computer Science, Operations Research, Statistics, Economics, etc.)
• 5+ years of hands-on work in marketing data science or related areas
• Experience building and deploying machine learning models in production environments
• Strong foundation in statistics and machine learning
• Proficiency in Python and SQL, with experience working on large datasets
• Experience working with customer or marketing-related data (e.g., personalization, segmentation, LTV, or experimentation)
• Strong communication and collaboration skills

Responsibilities

• Work on data science projects across marketing and customer domains, including personalization, lifecycle optimization, retention, and engagement
• Build, validate, and deploy machine learning and statistical models for use cases such as propensity modeling, segmentation, and LTV
• Partner with cross-functional stakeholders (Marketing, Product, CRM, Engineering) to understand business problems and translate them into data science solutions
• Contribute to the end-to-end model development lifecycle, including data exploration, feature engineering, modeling, evaluation, and deployment
• Analyze large and complex datasets to identify trends, opportunities, and areas for improvement in customer experience and marketing performance
• Apply appropriate statistical methods and experimentation techniques to evaluate model performance and business impact
• Collaborate with engineering teams to ensure models are production-ready and integrated into downstream systems
• Communicate findings and recommendations clearly to technical and non-technical stakeholders
• Contribute to team-level best practices in modeling, code quality, and documentation
• Support and mentor junior team members through collaboration and knowledge sharing

Skills

Python

SQL

Communication

Collaboration

Statistical knowledge

Education

Bachelor's degree in a technical/quantitative field

Job description

Jobtailor is looking for a senior data scientist to lead end-to-end data science initiatives across marketing and customer domains, including personalization, lifecycle optimization, retention, and engagement. You will build, validate, and deploy ML models for propensity, segmentation, and LTV, working with Marketing, Product, CRM, and Engineering to translate business problems into actionable solutions.

You will drive data exploration, feature engineering, modeling, evaluation, and deployment,