Data Jobs in Marlborough, MA

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Sr. Data Scientist

BJ's Wholesale Club, Inc. Marlborough, MA

Marlborough, MA

Today

$150k - $175k/yr Full time Python Senior Advanced Analytics

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Job Description

The Sr. Data Scientist role at BJ’s Wholesale Club, Inc. is a hybrid position based in Marlborough, MA, focused on leading end-to-end supervised and unsupervised machine learning work. The role emphasizes lifecycle management, statistical analysis, infrastructure standards, and technical leadership across data science, business, and engineering teams.

What You’ll Do

Define infrastructure standards and deployment strategies for machine learning algorithms, including oversight of cluster health, scalability planning, and system monitoring.
Oversee the use of collaboration and project management tools, such as Jira, Confluence, and Git, to support consistent tracking, knowledge sharing, and adherence to internal development standards.
Convert business requirements into technical requirements and design data science solutions aligned to business objectives, leading technical discussions with cross-functional partners.
Communicate outcomes from model development, data mining analyses, and ad hoc analyses to both technical and business stakeholders.
Mentor junior data scientists and external contractors by reviewing deliverables and providing technical guidance to support project execution.
Design and implement advanced supervised and unsupervised machine learning solutions using large-scale, distributed data processing platforms.
Define data science methodologies, modeling strategies, and evaluation frameworks, and oversee the machine learning system lifecycle from experimentation and validation through deployment strategy and post-deployment monitoring.
Lead advanced statistical analyses and data mining, including hypothesis formulation, experimental design, and KPI measurement approaches.
Identify and interpret key drivers of business outcomes related to member acquisition, engagement, and retention, and provide recommendations to senior leadership using quantitative evidence and statistical reasoning.

Required Qualifications

Master’s degree in Data Science, Computer Science, Statistics, or a related field (or foreign equivalent).
3 years of experience in data science with a focus on customer and business analytics in retail or technology domains.
Experience developing and deploying machine learning models for business applications.
Experience building optimization algorithms to address complex business problems.
Experience with recommendation engines, customer segmentation, and propensity models.
Strong programming skills in Python and SQL.
Machine learning framework experience such as Scikit-learn.
Experience with statistical techniques and models including regression, clustering, and hypothesis testing.
Experience applying best practices for managing the machine learning model lifecycle, including version control, artifact storage, model registry, and ongoing monitoring and maintenance using industry-standard tools and platforms.
Exposure to Databricks environment.
Ability to design and recommend test design strategies for A/B tests using hypothesis testing, clustering, and regression.
Proficiency with Python libraries including Scikit-learn, Pandas, NumPy, Multiprocessing, Turicreate, and Fuzzywuzzy.
Experience with linear programming, mixed integer programming, constraint programming, and heuristics using commercial solvers such as Gurobi or open-source solvers such as Google OR-Tools and PuLP.
Experience may be gained concurrently.

Core Technologies

Python, SQL
Scikit-learn, Pandas, NumPy, Multiprocessing, Turicreate, Fuzzywuzzy
Databricks
Jira, Confluence, Git
Gurobi, Google OR-Tools, PuLP

Work Location and Schedule

Office location: 350 Campus Drive, Marlborough, MA 01752
Hybrid schedule: Tuesday through Thursday in-office at BJ’s Club Support Center in Marlborough, MA; Monday and Friday are remote days.

Compensation

Pay range: USD 150,000 - 175,000 per year.

Benefits

Weekly Pay
Free BJ’s Memberships, including a complimentary The Club Card Membership and a free Supplemental Membership for someone in your household
Generous Paid Time Off including vacation, personal, sick days, holidays, bereavement, and jury duty leave
Flexible and Affordable Health Benefits, including choice from three medical plans plus optional dental, vision, Health Savings Account (HSA), and flexible spending account options
401(k) Retirement Savings Plan with a company match (available to team members 18 and older)
Employee Stock Purchase Plan with after-tax payroll deductions to purchase shares of BJ’s common stock at a 15% discount

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