Senior Data Scientist

Wal-Mart.com USA, LLC; Hoboken (NJ); On-site; USD 116,000 - 216,000; Full time

Benefits offered by this job

Health benefits

401(k) and stock purchase

Paid time off

Education assistance (100% company)

Discounts & more

Job summary

Walmart Inc. in Hoboken, NJ is seeking a Senior Data Scientist to develop and implement advanced data science and AI solutions that support strategic business decisions.

You will build predictive models, including Marketing Mix Models (MMM), and work with large-scale datasets to quantify marketing impact across channels. The role requires expertise in Python, SQL, time-series analysis, and experimentation, with opportunities to influence senior leadership decisions and drive optimization across

Qualifications

• Master's or Bachelor's degree in Statistics, Economics, Analytics, Mathematics, CS, IT, Eng or related field with 1–3 years analytics experience.
• Experience building predictive models and MMM is a plus.
• Strong SQL and Python skills for data extraction and modeling.
• Ability to communicate insights to senior leadership.

Responsibilities

• Develop advanced data science and AI solutions to support business decisions.
• Build and validate predictive models on large-scale datasets.
• Quantify marketing effectiveness using MMM and other analyses.
• Translate insights into actionable business recommendations.

Skills

Statistical modeling

Python (Pandas/NumPy/Sklearn)

SQL querying

EDA & feature engineering

Machine learning model validation

Time-series forecasting

Causal inference (DiD)

Marketing analytics

Data integration

Data visualization

Experiment design

Cloud platforms

Education

Master's or Bachelor's in a related field

Tools

SQL

Python

Pandas

NumPy

Job description

Position

Senior Data Scientist

Job Location

221 River Street, Hoboken, NJ 07030

Duties

Develop and implement advanced data science and artificial intelligence solutions to support business decision-making, including building, analyzing, and interpreting statistical, machine learning, and predictive models for large-scale datasets. Design and apply analytical approaches to evaluate business performance and identify key drivers of outcomes, including the impact of marketing and business initiatives. Build, analyze, and interpret large-scale analytical models, including Marketing Mix Models (MMM), to quantify the effectiveness of marketing investments, evaluate campaign performance, and identify optimization opportunities across channels and campaigns. Perform advanced statistical analysis, including regression modeling, time-series analysis, and machine learning techniques, to quantify trends, relationships, and business impact. Develop, train, validate, and refine predictive models and algorithms, and apply them to new datasets to generate actionable insights. Ensure model accuracy and robustness through validation, testing, and performance evaluation. Apply artificial intelligence and machine learning techniques to process large volumes of structured data and support scalable analytical solutions. Write and optimize SQL queries and perform programming in Python to extract, transform, and analyze large datasets. Conduct exploratory data analysis, data validation, data cleaning, and feature engineering to prepare data for modeling. Work with large-scale data environments and cloud-based platforms to process and analyze data efficiently. Collaborate with cross-functional teams to understand business requirements, translate them into analytical frameworks, and deliver data-driven insights and recommendations. Communicate complex analytical findings to stakeholders, including senior leadership, and support strategic decision-making by translating data insights into business actions. Research and apply industry best practices and emerging techniques in data science, machine learning, and artificial intelligence to continuously improve analytical methodologies and business outcomes.

Minimum education and experience required

• Master's degree or equivalent in Statistics, Economics, Analytics, Mathematics, Computer Science, Information Technology, Engineering (any), Applied Data Science, or related field and 1 year of experience in an analytics related field; OR Bachelor's degree or equivalent in Statistics, Economics, Analytics, Mathematics, Computer Science, Information Technology, Engineering (any), Applied Data Science, or related field and 3 years of experience in an analytics related field.

Skills required

• Experience with statistical modeling and predictive analytics using regression techniques for analyzing large-scale business and marketing datasets.
• Experience with Python including Pandas, NumPy, and Scikit-learn libraries for data processing, modeling, and analysis.
• Experience with SQL and relational database querying for data extraction, transformation, and aggregation from large datasets.
• Experience with exploratory data analysis (EDA), data cleaning, and feature engineering to prepare data for statistical modeling and analysis.
• Experience with machine learning model development, validation, and performance evaluation using standard statistical and computational techniques.
• Experience with time-series analysis and forecasting techniques for evaluating trends and patterns in business data.
• Experience with causal inference and quasi-experimental methodologies including Difference-in-Differences techniques for measuring business and marketing impact.
• Experience with marketing and business analytics, including measurement of performance metrics such as return on investment and channel contribution analysis.
• Experience with data integration and handling of large datasets from multiple sources, including structured and semi-structured data environments.
• Experience with data visualization and reporting using analytical tools to communicate insights and support decision-making.
• Experience with the design and evaluation of controlled experiments and A/B testing methodologies for business applications.
• Experience with working with cloud-based data platforms for storage, processing, and analysis of large datasets.

Salary Range

$115,835/year to $216,000/year. Additional compensation includes annual or quarterly performance incentives.

Benefits

• At Walmart, we offer competitive pay as well as performance-based incentive awards and other great benefits for a happier mind, body, and wallet.
• Health benefits include medical, vision and dental coverage.
• Financial benefits include 401(k), stock purchase and company-paid life insurance.
• Paid time off benefits include PTO (including sick leave), parental leave, family care leave, bereavement, jury duty and voting.
• Other benefits include short-term and long-term disability, education assistance with 100% company paid college degrees, company discounts, military service pay, adoption expense reimbursement, and more.
• Eligibility requirements apply to some benefits and may depend on your job classification and length of employment.
• Benefits are subject to change and may be subject to a specific plan or program terms.
• For information about benefits and eligibility, see One.Walmart.com.

Wal-Mart is an Equal Opportunity Employer.

Walmart and its subsidiaries are committed to maintaining a drug-free workplace and has a no tolerance policy regarding the use of illegal drugs and alcohol on the job. This policy applies to all employees and aims to create a safe and productive work environment.

Fifty years ago, Sam Walton started a single mom-and-pop shop and transformed it into the world's biggest retailer. Since those founding days, one thing has remained consistent: our commitment to helping our customers save money so they can live better. Today, we're reinventing the shopping experience and our associates are at the heart of it.

You'll play a crucial role in shaping the future of retail, improving millions of lives around the world. This is that place where your passions meet purpose. Join our family and create a career you're proud of.