Principal Data Scientist

Walmart

  • Sunnyvale, CA
  • Permanent
  • Full-time
  • 7 days ago
What you'll do...Position: Principal Data ScientistJob Location: 1375 Crossman Avenue, Sunnyvale, CA 94089Duties: Write code to develop the required solution and application features by determining the appropriate programming language and leveraging business, technical, and data requirements. Create test cases to review and validate the proposed solution design. Create proofs of concept. Test the code. Deploy software to production servers. Contribute code documentation, maintain playbooks, and provide progress updates. Analyze business problems within one's discipline and questions assumptions to help the business identify the root cause. Identify and recommend approach to resolve the business problem to create effective technology focused solutions. Set relevant deliverables based on the established success criteria and define key metrics to measure progress and effectiveness of the solution. Quantify business impact. Understand the priority order of requirements and service level agreements. Define and identify the most suitable sources for required data that is fit for purpose. Perform initial data quality checks on the extracted data. Understand, articulate, interpret, and apply the principles of the defined strategy to unique, moderately complex business problems that may span one or more functions or domains. Evaluate proposed business cases for projects and initiatives. Translate business requirements into strategies, initiatives, and projects and aligns them to business strategy and objectives and drives the execution of deliverables. Build and articulate the business case and return on investment and delivers work that has demonstrable value. Identify and recommend the most suitable visualization tools based on context. Generate appropriate graphical representations of data and model outcomes. Understand 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. Define application design based on customer requirements. Build compelling stories based on context to integrate multiple pieces of information into cohesive insights. Present to and influence diverse audiences using the appropriate data visualization frameworks and conveys clear messages through deep business and stakeholder understanding. Select appropriate modeling techniques for complex problems with large scale, multiple structured and unstructured data sets. Select and develop variables and features iteratively based on model responses in collaboration with the business. Conduct exploratory data analysis activities on available data. Identify dimensions and designs of experiments and create test and learn frameworks. Interpret data to identify trends to go across future data sets. Create continuous, online model learning along with iterative model enhancements. Develop newer techniques by leveraging the latest trends in machine learning, artificial intelligence to train algorithms to apply models to new data sets. Guide the team on feature engineering, experimentation, and advanced modeling techniques to be used for complex problems with unstructured and multiple data sets. Identify and review model evaluation metrics based on analytical requirements. Apply suitable techniques for model testing and tuning, to assess accuracy, fit, validity, and robustness. Ensure testing information is documented and maintained by the team. Deploy models or model ensemble and ensure sustainability and maintenance overtime. Implement model monitoring and model life-cycle management practices. Assist in creation of innovative user interfaces and support the use of models through collaboration with stakeholders. This position does not supervise employees.Minimum education and experience required: Bachelor's degree or equivalent in Statistics, Economics, Analytics, Mathematics, Computer Science, Information Technology, Computer Engineering, or related field and 5 years of experience in an analytics related field; OR Master's degree or equivalent in Statistics, Economics, Analytics, Mathematics, Computer Science, Information Technology, Computer Engineering, or related field and 3 years of experience in an analytics related field.Skills required: Experience building real time event processing. Experience with software development using Java, J2EE, JavaScript and Python. Experience developing software using Enterprise Application Integrations and integration technologies, including Kafka and TIBCO. Experience with Javascript Software development. Experience with petabyte scale SQL, NoSQL, and OLAP databases. Experience with software development using service oriented architecture or RESTful APIs. Experience using real time data systems for detection. Experience with software development on Cloud Technologies, including AWS, GCP, and Azure. Experience using Graph Traversal Analysis for real time decision making. Experience with software development using distributed systems. Employer will accept any amount of experience with the required skills.Salary Range: $210,709/year to $286,000/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.Wal-Mart is an Equal Opportunity Employer.#LI-DNI #LI-DNPAbout WalmartAt 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. 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 unique styles, experiences, identities, abilities, ideas and opinions- while welcoming all people.Walmart is 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."At Walmart, we get the opportunity to grow professionally and personally-all while improving how we work and what we deliver to consumers." — Lola, Project AnalystHello, Silicon ValleyYou don't have to choose between your career and your lifestyle in Silicon Valley. Here, you can have both.BeautyFiloli Gardens, WoodsideView an art exhibit, take a nature hike, explore the historic Filoli House, or take a class at this gorgeous 654-acre property.ArtSFMOMAGet your art fix at this internationally recognized collection of over 30,000 works of modern and contemporary art.EducationComputer History MuseumLarge-scale exhibits, an acclaimed speaker series, docent-led tours and an award-winning education program bring computer history to life.PurposeThe DishHike or jog throughout the year on terrain dedicated to academic programs, environmental restoration and habitat conservation.ExploreGolden Gate Park, SFEvents, attractions, meadows, lakes, and a Japanese Tea Garden provide for a true escape, without leaving the city.ImagineThe Tech MuseumThis family-friendly interactive science and technology center in San Jose provides a glimpse into the most inventive place on Earth - Silicon Valley.ShopSantana Row - San JoseStylish boutiques, world-class shopping, and delectable cuisine = a San Jose shopping trifecta.DisconnectPacifica State BeachLearn 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.ReflectGolden Gate CemeteryThis 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 .

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