Senior Data Scientist
Walmart

What you'll do at

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.

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

Skills required: Must have experience with: Statistical computing languages (R, Python, or Pyspark); Gathering data and developing business reports as needed using Tableau, PowerBI; Performing statistical analysis like regression and cluster analysis on data using modeling tools to provide key insights to the business; ETL (Extract Transform Load) using SQL, Extracting and Analyzing data from Relational Databases like DB2, SQL servers using SQL; Present findings using PowerPoint presentations; Using project management methodologies to track the work and deliverables (Kanban or MS Planner); Data exploration and visualization using Excel; and Ensemble techniques to improve accuracy of analytical solution. Employer will accept any amount of experience with the required skills.

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Wal-Mart is an Equal Opportunity Employer.

About Walmart

At Walmart, we help people save money so they can live better. This mission serves as the foundation for every decision we make, from responsible sourcing to sustainability-and everything in between. As a Walmart associate, you will play an integral role in shaping the future of retail, tech, merchandising, finance and hundreds of other industries-all while affecting the lives of millions of customers all over the world. Here, your work makes an impact every day. What are you waiting for?

Walmart, Inc. is an Equal Opportunity Employer- By Choice. We believe we are best equipped to help our associates, customers, and the communities we serve live better when we really know them. That means understanding, respecting, and valuing diversity- unique styles, experiences, identities, abilities, ideas and opinions- while being inclusive of all people.

"At Walmart, you have the support you need at any given moment no matter the circumstance." - Shelby, Project Analyst

Hello, NW Arkansas

With over 200 miles of trails, an emerging locally-sourced food scene, the world-renowned Crystal Bridges Museum-NWA has something for everyone.