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Staff, Data Scientist - Tiger Team, Data Venture



Data Science
Bentonville, AR, USA
Posted on Saturday, June 1, 2024

Position Summary...

What you'll do...

Steer the innovation helm of Walmart's newly establishing Data Ventures Tiger Team, focused on pioneering R&D for fresh revenue paths. Engage in crucial build vs buy decisions, prototype creation, and collaborative work with stakeholders, account managers, business development and end users to architect the future of Data Ventures.

What you'll do:

• Collaborate with leaders in product, account management, and tech within Data Ventures to conceive innovative ideas for revenue generation.

• Cooperate with the strategy team to comprehend the market landscape and construct prototypes, or liaise with third-party companies to make informed buy vs build decisions.

• Develop ML-driven or DS-enabled product prototypes in the form of dashboards, UI (Shiny), or APIs.

• Tackle problems spanning across analytics, statistical modeling, data science, machine learning, deep learning, NLP, CV, etc.

• Mentor junior team members within the team.

• Contribute to academia and innovation by writing papers for conferences/publications, applying for patents, etc.

What you'll bring:

Data Source Identification:

  • Understands the priority order of requirements and service level agreements.

  • Defines and identifies the most suitable sources for required data that is fit for purpose, referring to external sources as required. Performs initial data quality checks on the extracted data.

  • Reviews the deliverables of junior associates and provides guidance.

Problem Formulation:

  • Analyzes the business problem within one's discipline and questions assumptions to help the business identify the root cause.

  • Identifies and recommends approach to resolve the business problem. Sets data analytics, big data analytics, automation goals, and deliverables.
    based on the established success criteria and define key metrics to measure progress and effectiveness of the solution.

  • Quantifies business impact.

Analytical Modeling:

  • Selects appropriate modeling techniques for complex problems with large scale, multiple structured and unstructured data sets.

  • Selects and develops variables and features iteratively based on model responses in collaboration with the business.

  • Conducts exploratory data analysis activities (for example, basic statistical analysis, hypothesis testing, statistical inferences) on available data.

  • Identifies dimensions and designs of experiments and creates test and learn frameworks. Interprets data to identify trends to go across future data sets.

  • Creates continuous, online model learning along with iterative model enhancements.

  • Develops newer techniques (for example, advanced machine learning algorithms, auto ML) by leveraging the latest trends in machine learning, artificial intelligence to train algorithms to apply models to new data sets.

  • Guides the team on feature engineering, experimentation, and advanced modeling techniques to be used for complex problems with unstructured and multiple data sets (for example, streaming data, raw text data).

Model Deployment & Scaling:

  • Ability to work with MLOps to push ML models to production.

  • Continuously logs and tracks model behavior once it is deployed against the defined metrics.

  • Identifies model parameters which may need modifications depending on scale of deployment.

  • Code Development & Testing: Writes code to develop the required solution and application features by determining the appropriate programming.
    language and leveraging business, technical, and data requirements.

  • Creates test cases to review and validate the proposed solution design.

  • Creates proofs of concept.

  • Tests the code using the appropriate testing approach.

  • Contributes code documentation, maintains playbooks, and provides timely progress updates.

Applied Business Acumen:

  • Evaluates proposed business cases for projects and initiatives.

  • Influences business stakeholder decision making.

  • Translate business requirements into strategies, initiatives, and projects and aligns them to business strategy and objectives, and drives the execution of deliverables.

  • Builds and articulates the business case and return on investment and delivers work that has demonstrable value.

  • Challenge business assumptions on topics related to one's domain expertise.

  • Develops new organization-wide processes and ways of working.

  • Teaches and guides others on best practices.

  • Proactively engages in the external community to build Walmart's brand and learn more about industry practices.

Model Assessment & Validation:

  • Identifies and reviews model evaluation metrics based on analytical requirements.

  • Applies suitable techniques for model testing and tuning, to assess accuracy, fit, validity, and robustness.

  • Ensures testing information is documented and maintained by the team.

Data Visualization and Story Teller:

  • Identifies and recommends the most suitable visualization tools based on context.

  • Generates appropriate graphical representations of data and model outcomes.

  • Understands customer requirements to design appropriate data representation for complex data sets and drive User Experience designers and User Interface engineers to build front end applications.

  • Defines application design based on customer requirements.

  • Builds compelling stories based on context to integrate multiple pieces of information into cohesive insights.

  • Presents to and influences diverse audiences using the appropriate frameworks and conveys clear messages through deep business and stakeholder understanding.

  • Customizes communication style based on stakeholders and leverages relationships to drive behavioral change.

  • Guides and mentors junior associates on story types, structures, and techniques based on context.

  • Drives the execution of multiple business plans and projects by identifying customer and operational needs; developing and communicating business plans and priorities; removing barriers and obstacles that impact performance; providing resources; identifying performance standards; measuring progress and adjusting performance accordingly; developing contingency plans; and demonstrating adaptability and supporting continuous learning.

  • Provides supervision and development opportunities for associates by selecting and training; mentoring; assigning duties; building a team-based work environment; establishing performance expectations and conducting regular performance evaluations; providing recognition and rewards; coaching for success and improvement; and ensuring diversity awareness.

  • Promotes and supports company policies, procedures, mission, values, and standards of ethics and integrity by training and providing direction to others in their use and application; ensuring compliance with them; and utilizing and supporting the Open Door Policy.

  • Ensures business needs are being met by evaluating the ongoing effectiveness of current plans, programs, and initiatives; consulting with business partners, managers, co-workers, or other key stakeholders; soliciting, evaluating, and applying suggestions for improving efficiency and cost effectiveness; and participating in and supporting community outreach events.

About Walmart Global Tech
Imagine working in an environment where one line of code can make life easier for hundreds of millions of people. That’s what we do at Walmart Global Tech. We’re a team of software engineers, data scientists, cybersecurity expert's and service professionals within the world’s leading retailer who make an epic impact and are at the forefront of the next retail disruption. People are why we innovate, and people power our innovations. We are people-led and tech-empowered. We train our team in the skillsets of the future and bring in experts like you to help us grow. We have roles for those chasing their first opportunity as well as those looking for the opportunity that will define their career. Here, you can kickstart a great career in tech, gain new skills and experience for virtually every industry, or leverage your expertise to innovate at scale, impact millions and reimagine the future of retail.

Flexible, hybrid work:
We use a hybrid way of working that is primarily in office coupled with virtual when not onsite. Our campuses serve as a hub to enhance collaboration, bring us together for purpose and deliver on business needs. This approach helps us make quicker decisions, remove location barriers across our global team and be more flexible in our personal lives.

Benefits: Beyond our great compensation package, you can receive incentive awards for your performance. Other great perks include 401(k) match, stock purchase plan, paid maternity and parental leave, PTO, multiple health plans, and much more.

Equal Opportunity Employer:
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.

The above information has been designed to indicate the general nature and level of work performed in the role. It is not designed to contain or be interpreted as a comprehensive inventory of all responsibilities and qualifications required of employees assigned to this job. The full Job Description can be made available as part of the hiring process.

At Walmart, we offer competitive pay as well as performance-based bonus 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, company discounts, Military Leave Pay, adoption and surrogacy expense reimbursement, and more.

You will also receive PTO and/or PPTO that can be used for vacation, sick leave, holidays, or other purposes. The amount you receive depends on your job classification and length of employment. It will meet or exceed the requirements of paid sick leave laws, where applicable.

For information about PTO, see https://one.walmart.com/notices.

Live Better U is a Walmart-paid education benefit program for full-time and part-time associates in Walmart and Sam's Club facilities. Programs range from high school completion to bachelor's degrees, including English Language Learning and short-form certificates. Tuition, books, and fees are completely paid for by Walmart.

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.

Sunnyvale, California US-07003:The annual salary range for this position is $143,000.00-$286,000.00

Bentonville, Arkansas US-06888:The annual salary range for this position is $110,000.00-$220,000.00

Additional compensation includes annual or quarterly performance bonuses.

Additional compensation for certain positions may also include:

- Stock

Minimum Qualifications...

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

Option 1: Bachelors degree in Statistics, Economics, Analytics, Mathematics, Computer Science, Information Technology or related field and 4 years' experience in an analytics related field. Option 2: Masters degree in Statistics, Economics, Analytics, Mathematics, Computer Science, Information Technology or related field and 2 years' experience in an analytics related field. Option 3: 6 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, PhD 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), We value candidates with a background in creating inclusive digital experiences, demonstrating knowledge in implementing Web Content Accessibility Guidelines (WCAG) 2.2 AA standards, assistive technologies, and integrating digital accessibility seamlessly. The ideal candidate would have knowledge of accessibility best practices and join us as we continue to create accessible products and services following Walmart’s accessibility standards and guidelines for supporting an inclusive culture.

Primary Location...

311 North Walton Boulevard, Bentonville, AR 72716, United States of America