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(USA) Senior Data Scientist

Company: Wal-Mart
Location: Sunnyvale
Posted on: June 12, 2021

Job Description:

Position Summary...

What you'll do...

Data Strategy: Understands, articulates, and applies principles of the defined strategy to routine business problems that involve a single function.

Data Source Identification: 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.

Model Assessment & Validation: 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.

Model Deployment & Scaling: 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.

Code Development & Testing: 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.

Data Visualization: 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.

Guide and mentor junior associates on story types, structures, and techniques based on context.

Problem Formulation: Translates business problems within one's discipline to data related or mathematical solutions. Identifies what methods (for

example, analytics, big data analytics, automation) would provide a solution for the problem. Shares use cases and gives examples to demonstrate

how the method would solve the business problem.

Applied Business Acumen: Provides recommendations to business stakeholders to solve complex business issues. Develops business cases for

projects with a projected return on investment or cost savings. Translates business requirements into projects, activities, and tasks and aligns to

overall business strategy. Serves as an interpreter and conduit to connect business needs with tangible solutions and results. Recommends new

processes and ways of working.

Demonstrates up-to-date expertise and applies this to the development, execution, and improvement of action plans by providing expert advice and

guidance to others in the application of information and best practices; supporting and aligning efforts to meet customer and business needs; and

building commitment for perspectives and rationales.

Provides and supports the implementation of business solutions by building relationships and partnerships with key stakeholders; identifying business

needs; determining and carrying out necessary processes and practices; monitoring progress and results; recognizing and capitalizing on

improvement opportunities; and adapting to competing demands, organizational changes, and new responsibilities.

Models compliance with company policies and procedures and supports company mission, values, and standards of ethics and integrity by

incorporating these into the development and implementation of business plans; using the Open Door Policy; and demonstrating and assisting others

with how to apply these in executing business processes and practices.

Minimum Qualifications...

Outlined below are the required minimum qualifications for this position. If none are listed, there are no minimum qualifications.

Option 1- Bachelor's degree in Statistics, Economics, Analytics, Mathematics, Computer Science, Information Technology, or related field and 3

years' experience in an analytics related field. Option 2- Master's degree in Statistics, Economics, Analytics, Mathematics, Computer Science,

Information Technology, or related field and 1 years' experience in an analytics related field. Option 3 - 5 years' experience in an analytics or

related field.

Preferred Qualifications...

Outlined below are the optional preferred qualifications for this position. If none are listed, there are no preferred qualifications.

Data science, machine learning, optimization models, Master's degree in Machine Learning, Computer Science, Information Technology, Operations Research, Statistics, Applied Mathematics, Econometrics, Successful completion of one or more assessments in Python, Spark, Scala, or R, Using open source frameworks (for example, scikit learn, tensorflow, torch)

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, ideas and opinions - while being inclusive of all people.

Hello, Silicon Valley

You don't have to choose between your career and your lifestyle in Silicon Valley. Here, you can have both.

Discover Silicon Valley

  • Beauty

Filoli Gardens, Woodside

View an art exhibit, take a nature hike, explore the historic Filoli House, or take a class at this gorgeous 654-acre property.

  • Art

SFMOMA

Get your art fix at this internationally recognized collection of over 30,000 works of modern and contemporary art.

  • Education

Computer History Museum

Large-scale exhibits, an acclaimed speaker series, docent-led tours and an award-winning education program bring computer history to life.

  • Purpose

The Dish

Hike or jog throughout the year on terrain dedicated to academic programs, environmental restoration and habitat conservation.

  • Explore

Golden Gate Park, SF

Events, attractions, meadows, lakes, and a Japanese Tea Garden provide for a true escape, without leaving the city.

  • Imagine

The Tech Museum

This family-friendly interactive science and technology center in San Jose provides a glimpse into the most inventive place on Earth - Silicon Valley.

  • Shop

Santana Row - San Jose

Stylish boutiques, world-class shopping, and delectable cuisine = a San Jose shopping trifecta.

  • Disconnect

Pacifica State Beach

Learn to surf or visit the "World's Most Scenic Taco Bell" at this 0.75 mile long crescent shaped escape, a symbol of successful habitat restoration.

  • Reflect

Golden Gate Cemetery

This national cemetery comprises 161 acres dedicated to all the members of the armed forces who served our country.

All the benefits you need for you and your family

  • Multiple health plan options, including vision & dental plans for you & dependents
  • Financial benefits including 401(k), stock purchase plans, life insurance and more
  • Associate discounts in-store and online
  • Education assistance for Associate and dependents
  • Parental Leave
  • Pay during military service
  • Paid Time off - to include vacation, sick, parental
  • Short-term and long-term disability for when you can't work because of injury, illness, or childbirth

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 specific plan or program terms. For information about benefits and eligibility, see One.Walmart.com/Benefits.

Frequently asked questions

  • On average, how long does it take to fill out an application?

On average, it takes 45-60 minutes to complete your application for the first time. Subsequent applications will take less time to apply as our system saves some of your application information. Please note that some positions require the completion of assessments in order to receive consideration for that role. Those would take additional time.

  • Can I change my application after submitting?

No, you cannot change your application after submitting, so please make sure that everything is finalized before you hit the submit button.

  • How do you protect my personal information?

Processing of information on paper is minimal, and Walmart processes application information using an applicant tracking system (ATS). Access to the data within the ATS is restricted to authorized personnel, and the system itself is held to high security standards by Walmart.

  • What are the recommended Internet Browsers for applying for open roles?
  • Internet Explorer 8.0+
  • Firefox 4.0+
  • Safari 4.0+
  • Chrome 12+

See All FAQs

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Keywords: Wal-Mart, Sunnyvale , (USA) Senior Data Scientist, Other , Sunnyvale, California

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