Liberty Mutual

Director, Data Science: Data Science Tools

Liberty Mutual$120K — $150K *
Information Technology
Less than 5 years of experience
Job Overview by Ladders

Qualifications

  • 5-7 years of experience in Python-based data science or ML tooling
  • Proficient with Git and Bash/shell scripting
  • Experience building workflows with Airflow, Luigi, Celery, or MLflow
  • Familiar with AI/LLM frameworks like PydanticAI and LangChain
  • Experience developing internal Python packages and APIs
  • Strong knowledge of predictive analytics and statistical methods
  • Ability to communicate complex information clearly and effectively

Responsibilities

  • Design and build tools that enhance model creation and deployment
  • Own strategy for improving data science workflows
  • Maintain and develop Python packages for organizational use
  • Implement AI agent capabilities in data science tools
  • Utilize modeling tools such as MLflow and scikit-learn
  • Promote best practices in MLOps and AI agent integration
  • Stay updated on open-source data frameworks and agentic coding

Benefits

  • Hybrid working schedule for local candidates
  • Remote work option with occasional travel available
  • Opportunities for professional development and training
  • Collaborative work environment with a culture of continuous improvement
Full Job Description
Description

The Data Science Infrastructure organization within USRM is hiring a Senior Technical Professional, Data Scientist to join the Data Science Tools team. This role will focus on improving the end-to-end modeling workflow for USRM Data Science by building internal tools, pipelines, and applications that streamline model development, evaluation, deployment, and iteration. The ideal candidate is highly technical, proactive, and motivated by building systems that help other data scientists work more efficiently.

 

**Candidates who live within 50 miles of Boston, MA; Portsmouth, NH; Seattle, WA; Columbus, OH; or Plano, TX will follow a hybrid schedule, coming into the office two days per week. Otherwise, this role is remote with occasional travel. **

 

Responsibilities:

  • Design and build internal tools, pipelines, and applications that improve model development, evaluation, and deployment
  • Own strategy and roadmaps for improving data science workflows and tooling across USRM
  • Design, build, and maintain Python packages used across the organization
  • Evaluate and implement AI agent capabilities in tooling using approaches such as MCP, RAG, PydanticAI, LangChain, or related frameworks
  • Work with workflow and modeling tools such as Luigi, Airflow, Celery, MLflow, H2O, scikit-learn, Optuna, and LightGBM, as well as Python development tools such as Pydantic, FastAPI, uv, ruff, and pytest
  • Promote MLOps and AI agent best practices in collaboration with groups such as Enterprise Data & Data Science
  • Stay current on developments in open-source data science frameworks, MLOps, and agentic coding practices
  • Help shape the direction of the Tools team and contribute to a culture of ownership, collaboration, and continuous improvement

 

The ideal candidate will have:

  • Professional experience building and maintaining Python-based data science or Machine Learning tooling used by multiple end users or teams
  • Worked with any of the following in a professional setting: Git, Bash/shell scripting, uv, pre-commit, ruff, pytest, or Pydantic
  • Built, deployed, or maintained workflows or pipelines using any of the following: Airflow, Luigi, Celery, Databricks, or MLflow
  • Implemented or supported AI/LLM-based tooling using frameworks such as PydanticAI, LangChain, MCP, or RAG
  • Developed, reviewed, or maintained internal Python packages, APIs, or data science applications using tools such as FastAPI, Streamlit, Dash, NiceGUI, or Plotly
  • Applied agentic AI techniques in day-to-day development and incorporate AI capabilities directly into tools and applications where they create meaningful value for data scientists
Qualifications
  • Broad knowledge of predictive analytic techniques and statistical diagnostics of models.
  • Advanced knowledge of predictive toolset; reflects as expert resource for tool development.
  • Demonstrated ability to exchange ideas and convey complex information clearly and concisely.
  • Ability to establish and build relationships within and outside the organization.
  • Ability to give effective training and presentations to management and other groups.
  • Ability to use results of analysis to persuade team, department management or senior management to a particular course of action.
  • Broad knowledge of business drivers and market context.
  • Has a value driven perspective with regard to understanding of work context and impact.
  • Competencies typically acquired through a Ph.D. degree (in Statistics, Mathematics, Economics, Actuarial Science or other scientific field of study) and a minimum of 3 years of relevant experience, a Master`s degree (scientific field of study) and a minimum of 6 years of relevant experience or may be acquired through a Bachelor`s degree (scientific field of study) and a minimum of 8 years of relevant experience.

About Liberty Mutual

Since 1912, Liberty Mutual Insurance have committed theirselves to providing broad, useful and competitively-priced insurance products and services to meet their customers' ever-changing needs. Their delivery on this commitment is the reason they're now the third largest property and casualty insurer in the U.S. based on 2012 direct premium written according to the National Association of Insurance Commissioners.

Liberty Mutual Careers

Join the vibrant team at Liberty Mutual, a leading global insurance company, where your career is in your hands. At Liberty Mutual, we are committed to fostering an inclusive culture that values diversity and innovation. With a variety of job opportunities across multiple fields, this is where your professional journey can truly flourish.

Work You’ll Do

At Liberty Mutual, you’ll be part of a team that’s dedicated to empowering people to live safer, more secure lives. Whether you’re interested in a position in claims handling, underwriting, or customer service, you’ll find a platform here to enhance your skills and push the boundaries of what you can achieve.

Explore Our Job Opportunities

Liberty Mutual offers a range of career paths for both seasoned professionals and those just starting out. Our internship programs provide invaluable hands-on experience, helping to bridge the gap between education and full-time employment. For those seeking to grow their career, we offer positions that challenge and inspire, backed by benefits that support both professional and personal growth.

Innovate with Us

Innovation is at the heart of Liberty Mutual. We encourage our team to bring fresh ideas that drive industry leadership and improve customer experiences. By joining our team, you’ll collaborate with talented professionals who are keen on developing solutions that lead the market.

Develop Your Career

Liberty Mutual is deeply invested in the professional development of its employees. With comprehensive diversity training and leadership programs, we prepare you to take on leadership roles within the company. Networking opportunities within the company can lead to mentorship and further career advancement.

Benefits of Joining Liberty Mutual

Working at Liberty Mutual comes with numerous benefits. From competitive salaries to health and wellness programs, we ensure our team members are well taken care of. More than just a job, a position at Liberty Mutual is a stepping stone to a fulfilling career.

Join Our Team

Ready to take the next step in your career? Explore the job opportunities at Liberty Mutual. We are actively hiring and looking for individuals who are passionate, curious, and ready to drive change. Enhance your resume, prepare for your interview, and become part of a company that values your unique skills and vision.

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Liberty Mutual: A Place to Grow, Innovate, and Lead

Discover how you can make a difference. Visit our careers page to find the position that’s right for you and join a team that’s committed to growth, leadership, and innovation. At Liberty Mutual, your career is what you make it.
Learn more about Liberty Mutual
Size
45,000 employees
Industry
Founded
1912

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