Senior Data Scientist

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What you'll do...

Position: Senior Data Scientist

Number of Positions Available: Six (6)

Job Location: 1375 Crossman Avenue, Sunnyvale, CA 94089  

Duties: Design and deployment of scalable AI/ML systems within production-grade engineering frameworks at Walmart, aligning technical solutions with strategic business objectives. Refine advanced learning models through structured experimentation and parameter optimization to ensure performance and reliability. Design scalable data processing architectures supporting both streaming and batch operations. Apply robust engineering principles to maintain modularity, version control, and reproducibility across analytical systems. Engineer data ingestion layers by orchestrating ETL pipelines across relational and NoSQL data stores, enabling scalable batch processing and fault tolerant analytical workflows. Encapsulate model logic and dependencies to enable seamless deployment across varied environments. Leverage statistical and temporal modeling techniques to extract insights, forecast trends, and support informed decision-making. Translate complex business challenges into formalized data science solutions through end-to-end system design.

Minimum education and experience required: Master’s degree or equivalent in Statistics, Economics, Analytics, Mathematics, Computer Science, Information Technology, or related field and 1 year of experience in an analytics related field; OR Bachelor’s degree or equivalent in Statistics, Economics, Analytics, Mathematics, Computer Science, Information Technology, or related field and 3 years of experience in an analytics related field.

Skills required: Experience architecting and deploying scalable AI/ML systems within production grade engineering frameworks. Experience leveraging SQL and NoSQL data platforms with optimized querying strategies. Experience utilizing GCP services, Cloud Storage and BigQuery, for distributed dataset management and high throughput loading of large scale training and inference datasets across analytics workflows. Experience designing and developing deep learning architectures using Python, TensorFlow, and PyTorch, and applying experimentation and hyperparameter tuning to ensure robustness. Experience designing and managing distributed data pipelines with Pyspark and Hadoop and orchestrating workflows to support real-time and batch processing. Experience applying software engineering principles including modular code design, object-oriented programming, and version control with Git to maintain high standards of code quality and reproducibility. Experience containerizing models using Docker to simplify deployment and ensure compatibility across cloud platforms and enable seamless integration into production environments. Experience applying statistical methodologies including probabilistic modeling and time series forecasting techniques to model temporal dependencies. Experience executing comprehensive model evaluation using cross-validation, calibration checks, robustness and fairness assessments, and post-deployment drift monitoring. Employer will accept any amount of experience with the required skills.

Salary Range: $172,170/year to $234,000/year. Additional compensation includes annual or quarterly performance 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.

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Pay Rate...

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Walmart and its subsidiaries are 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.