Senior Data Scientist

What you'll do...

Position: Senior Data Scientist

Job Location: 702 SW 8th Street, Bentonville, AR 72716

Duties: Understands, articulates, and applies principles of the defined strategy to routine business problems that involve a single function. Supports the understanding of the priority order of requirements and service level agreements. Helps identify the most suitable source for data that is fit for purpose. Performs initial data quality checks on extracted data. Analytical Modeling: Selects the analytical modeling technique most suitable for the structured, complex data and develops custom analytical models. Conducts exploratory data analysis activities (for example, basic statistical analysis, hypothesis testing, statistical inferences) on available data. Defines and finalizes features based on model responses and introduces new or revised features to enhance the analysis and outcomes. Identifies the dimensions of the experiment, finalizes the design, tests hypotheses, and conducts the experiment. Perform trend and cluster analysis on data to answer practical business problems and provide recommendations and key insights to the business. Mentors and guides junior associates on basic modeling and analytics techniques to solve complex problems. Identifies the model evaluation metrics. Applies best practice techniques for model testing and tuning to assess accuracy, fit, validity, and robustness for multi-stage models and model ensembles. Supports efforts to ensure that analytical models and techniques used can be deployed into production. Supports evaluation of the analytical model. Supports the scalability and sustainability of analytical models. Writes code to develop the required solution and application features by using the recommended programming language and leveraging business, technical, and data requirements. Test the code using the recommended testing approach. Generates appropriate graphical representations of data and model outcomes. Understands customer requirements to design appropriate data representation for multiple data sets. Work with User Experience designers and User Interface engineers as required to build front end applications. Presents to and influences the team and business audience using the appropriate frameworks and conveys clear messages through business and stakeholder understanding. Customize communication style based on stakeholder under guidance and leverages rational arguments. Telecommuting / working from home is permissible.

Minimum education and experience required: Master’s degree or the equivalent in Statistics, Computer Science, or related field plus 1 year of experience in analytics or a related field; OR Bachelor’s degree or the equivalent in Statistics, Computer Science, or related field plus 3 years of experience in analytics or a related field; OR  5 years of experience in analytics or a related field.

Skills required: Must have experience with: Building machine learning and Artificial Intelligence models to solve predictive and classification problems; Writing custom machine learning and deep learning algorithms from scratch using programming languages such as python and R; Automating data manipulation and processing pipelines using Python, SQL, Hadoop, PySpark, and Matlab; Monte-Carlo simulations to create business scenario for cost-benefit analysis and estimate risk; Data driven visualization and reporting tools using Tableau, Plotly Dash, and R Shiny; Time Series forecasting using advanced deep learning methods such as Temporal Fusion Transformer and Dilated CNNs; Programming in Python, R, SQL, Matlab, JavaScript. Employer will accept any amount of experience with the required skills

Salary Range: $133,099 to 220,000/year.  Additional compensation includes annual or quarterly performance incentives.   Additional compensation for certain positions may also include: Regional Pay Zone (RPZ) (based on location) and Stock equity 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.

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Wal-Mart is an Equal Opportunity Employer.