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Lead Data Scientist (P4296)

8451 Open
On-site Cincinnati Senior Data Science

At a glance

Senior Data Science role at 8451. Cincinnati · $125,000–$207,000 base.

SalaryStated by 8451
$125,000 – $207,000
Base salary for this role, in USD per year, as published in the posting.
RoleData Science
SenioritySenior
LocationCincinnati
WorkplaceOn-site
Base pay$125,000–$207,000
PostedNov 13, 2026
Role brief

dataroles summary, based on the employer's posting.

What you'll do

  • Co-lead development of optimization models for supply chain operations, especially transportation planning
  • Build and extend analytical capabilities, improving solution speed, coverage and production stability
  • Investigate production runs, fix defects and bottlenecks, and apply sound code design practices
  • Turn business needs into optimization work with partner teams, then develop more efficient numerical methods
  • Guide junior data scientists through complex problems and contribute to customer science initiatives

What you bring

  • A bachelor's degree in computer science, mathematics, statistics, data science or a related discipline
  • At least four years building technical analytics solutions with advanced algorithms, programming languages or technologies
  • Strong Python skills, including data structures, test-driven development and object-oriented programming
  • Experience bringing data science solutions into production and solving large-scale optimization problems

Who this fits

This is a senior, hands-on developer role that also includes mentoring junior teammates and collaborating across disciplines. The role is based in Cincinnati and follows a five-day in-office schedule.

From the employer

84.51° Overview:

84.51° is a retail data science, insights and media company. We help The Kroger Co., consumer packaged goods companies, agencies, publishers and affiliates create more personalized and valuable experiences for shoppers across the path to purchase.

Powered by cutting-edge science, we utilize first-party retail data from more than 62 million U.S. households sourced through the Kroger Plus loyalty card program to fuel a more customer-centric journey using 84.51° Insights, 84.51° Loyalty Marketing and our retail media advertising solution, Kroger Precision Marketing.

84.51° follows a 5‑day in‑office work schedule to support collaboration, alignment, and team connection.

Join us at 84.51°!

__________________________________________________________

Lead Data Scientist, Tech Track (P4296)

Summary:

The SCORe (Supply Chain, Operations, and Replenishment) team is seeking an experienced lead data scientist to act as co-lead developer on one of our core capabilities. This role will be responsible for evolving cutting-edge optimization models and algorithms aimed at improving end to end supply chain operations, with an emphasis on transportation planning. The ideal candidate will have a strong background in development, optimization, and the supply chain domain. Familiarity with 84.51° and Kroger’s data assets would be preferred.

Responsibilities:

  • Co-lead the evolution of core optimization science capability including:
    • Development of near and long-term analytical plans
  • Independently execute work following best-in-class development patterns
    • Adding new features for expanded business coverage
    • Methods to scale or improve process time of solution
  • Refactor code for Object Oriented Programming best practices and production stability.
  • Implement ways to leverage coding agents that balances speed of development with responsible/sustainable ownership of code by data scientists and engineers.
  • Analyze production code runs to address bugs or bottlenecks in a timely manner.
  • Collaborate with cross-functional teams to translate business needs into analytical problems and deliver optimization solutions.
  • Develop novel numerical techniques to improve computational efficiency.
  • Research upgrades or simplifications to optimization algorithms and develop MVP code.
  • Mentor junior team members and guide them through complex problem-solving.
  • Collaborate closely on applied customer science initiatives and with other Research Scientists, Data Scientists, Machine Learning Engineers, and contributors across the business.

Qualifications, Skills, and Experience:

  • Bachelor's degree in computer science, mathematics, statistics, data science or related discipline
  • 4+ years of experience using advanced algorithms, programming languages, or technologies in the development of technical analytics solutions or capabilities.
  • Experience using Python to develop analytical solutions.This is a heavy developer role.
    • Excellent understanding of Python data structures
    • Test Driven Development
    • Object Oriented Programming
  • Experience guiding data science solutions to production and managing forward:
    • CI/CD
    • Package version management
    • Orchestration
    • Parallelization techniques
  • Experience with solving large-scale optimization problems.
  • Experience in performing data analysis, cleaning, and orchestration to enable optimization sciences.
  • Experience in open-source and commercial solvers (Gurobi, IPOPT, HiGHs, etc.)
  • Hands-on experience coding in SQL and PySpark.
  • Hands-on experience with technologies such as Azure, Hadoop, Databricks, kubernetes, etc. to create computationally efficient solutions
  • Strong interpersonal and communication skills.
  • Strong analytical, creative problem-solving and decision-making skills
  • Ability to work in a highly collaborative environment.

Pay Transparency and Benefits

  • The stated salary range represents the entire span applicable across all geographic markets from lowest to highest. Actual salary offers will be determined by multiple factors including but not limited to geographic location, relevant experience, knowledge, skills, other job-related qualifications, and alignment with market data and cost of labor. In addition to salary, this position is also eligible for variable compensation.
  • Below is a list of some of the benefits we offer our associates:
    • Health: Medical: with competitive plan designs and support for self-care, wellness and mental health. Dental: with in-network and out-of-network benefit. Vision: with in-network and out-of-network benefit.
    • Wealth: 401(k) with Roth option and matching contribution. Health Savings Account with matching contribution (requires participation in qualifying medical plan). AD&D and supplemental insurance options to help ensure additional protection for you.
    • Happiness: Paid time off with flexibility to meet your life needs, including 5 weeks of vacation time, 7 health and wellness days, 3 floating holidays, as well as 6 company-paid holidays per year. Paid leave for maternity, paternity and family care instances.

Base Pay Range$125,000—$207,000 USD
Opportunity

Data Science work from LinkedIn, X, Reddit and Upwork, in one list.

Each morning you get everything that fits, strongest first.

Data Science$120k+

Find me work

By the team behind dataroles.

Find me work
Opportunity

Data Science work from LinkedIn, X, Reddit and Upwork, in one list.

Each morning you get everything that fits, strongest first.

Find me work

By the team behind dataroles.