Senior Data Scientist

Responsibilities

• Model Development & Analytics
• Contribute and lead key phases of end-to-end model development including problem definition, data exploration, model development, validation, and monitoring.
• Engage in the development and enhancement of predictive models - while thoughtfully assessing alternative approaches and techniques to support loss, territory/Geography, and emerging claim level modeling needs.
• Partner with Data Engineering and MLOps teams to support deployment and monitoring.
• Cross-Functional Collaboration
• Partner with Actuarial, Underwriting, Product, Data Engineering, and Governance teams to align modeling work with business strategies.
• Communicate findings clearly to technical and non-technical audiences.
• Innovation & Modernization
• Explore new modeling methods, data sources, and tools.
• Contribute to shared modeling frameworks and best practices.
• Technical Leadership & Mentorship
• Provide peer learning, code reviews, and technical guidance.
• Support continuous improvement of modeling standards.

Requirements

• Required
• 5+ years experience developing statistical or ML models.
• Master's/PhD in Statistics, Data Science, Applied Math, Computer Science, Actuarial Science, or related field.
• Strong Python and SQL skills; experience with Git and cloud ML environments.
• Ability to collaborate across functions and communicate insights effectively.
• Preferred
• Insurance analytics experience.
• Familiarity with model governance and monitoring.
• Experience with Agile delivery or MLOps pipelines.
• Ability to mentor and support the development of Data Science and Actuarial peers.
• Why Join Us?
• Engage in high-visibility enterprise modeling initiatives.
• Work with modern analytical tools, ML, and generative AI.
• Work at the intersection of Data Science and Actuarial Science, partnering closely with diverse technical and business teams.
• This role will have a Hybrid work schedule, with the expectation of working in an office (Columbus, OH, Chicago, IL, Hartford, CT or Charlotte, NC) 3 days a week (Tuesday through Thursday).
• Candidates must be authorized to work in the US without company sponsorship. The company will not support the STEM OPT I-983 Training Plan endorsement for this position.

Benefits

Additional Information

Sr Data Scientist - GD07AE We're determined to make a difference and are proud to be an insurance company that goes well beyond coverages and policies. Working here means having every opportunity to achieve your goals - and to help others accomplish theirs, too. Join our team as we help shape the future. The Hartford's Actuarial Strategic Modeling (ASM) organization is seeking a Senior Data Scientist to strengthen analytical and modeling capabilities supporting pricing, segmentation, underwriting strategies, and portfolio insights within Business insurance.

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