Senior Data Engineer (AI)

Location: Sunnyvale, California, United States; home office

Annual salary: $117,000–$234,000, plus performance-based bonuses and possible Regional Pay Zone compensation.

Company

Sam’s Club, part of Walmart, operates a membership warehouse club and develops retail technologies including Scan & Go, Club Pickup, and home delivery services.

What you will do

• Design, build, test, and deploy scalable data solutions supporting millions of customers.
• Develop data services that are discoverable, trustworthy, and consumable by AI agents and LLM-based systems.
• Build integrations between structured and unstructured data and downstream AI agents.
• Partner with engineering, AI/ML, product management, and business teams on data products and autonomous decision-making use cases.
• Deploy and monitor cloud products with observability, telemetry, auditability, data health monitoring, and traceability.
• Lead technical solutioning for full-lifecycle projects supporting autonomous workflows, copilots, and multi-agent systems.

Requirements

• 4–6 years of Big Data development experience with scalable, fault-tolerant architectures, or the applicable software-engineering experience pathway listed in the qualifications.
• 2–3 years of hands-on experience with GCP or Azure and cloud data services such as BigQuery, Dataflow, or Pub/Sub.
• Experience with data engineering, data modeling, architecture, complex pipelines, semantic layers, or knowledge graphs.
• Clean, testable code in Python, Java, or Scala; experience with PySpark or Spark and optimized SQL for large datasets.
• Experience with Kafka, Docker/Kubernetes, databases including SQL and NoSQL systems, API design, CI/CD, observability, and scalable application development.
• Work is associated with the Sunnyvale, California, United States home office.

Nice to have

• Exposure to LLM-driven workflows, prompt templating, LangChain, LlamaIndex, or CrewAI.
• Experience with Druid, Presto, Spark Streaming, and hybrid or real-time data systems.
• Master’s degree in Computer Science or a related field.
• Knowledge of WCAG 2.2 AA, assistive technologies, and digital accessibility practices.

Culture & Benefits

• Fast-paced, results-driven agile environment with varied responsibilities.
• Medical, vision, and dental coverage.
• 401(k), stock purchase plan, company-paid life insurance, and disability benefits.
• Paid time off, parental and family care leave, bereavement leave, jury duty, and voting leave.
• Company discounts, military leave pay, adoption and surrogacy reimbursement, and company-paid education through Live Better U.