Walmart

Senior Software Engineer

Walmart
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1 day ago
Sunnyvale, CA, USASenior
H1B sponsor

Base Salary

$169k - $234k/yr

Responsibilities

  • Apply data science and advanced algorithms to improve search and browse functionality for Walmart International.
  • Develop, train, evaluate, and deploy machine learning models for recommendation systems, search relevance, ranking, and query correction.
  • Build scalable, low-latency microservices for hosting and serving machine learning models in real time.
  • Collect, preprocess, analyze, and interpret real-time website clickstream data.
  • Optimize batch and streaming data pipelines for data ingestion, transformation, and normalization.
  • Design and conduct large-scale A/B tests and statistical modeling, including exploration-exploitation and regression analysis.
  • Establish and manage databases for signal values computed from backend data pipelines.
  • Maintain, monitor, and create alerting pipelines for production systems.

Requirements

  • Master's degree or equivalent in Computer Science, Computer Engineering, Computer Information Systems, Software Engineering, or a related area plus one year of software engineering or related experience; or a bachelor's degree or equivalent plus three years of such experience.
  • Experience designing and developing REST API web services for hosting machine learning models.
  • Experience designing, implementing, and validating large-scale A/B tests.
  • Experience developing statistical models for query correction, exploration-exploitation, and regression analysis.
  • Experience developing big data pipelines for website data collection, aggregation, and interpretation.
  • Experience designing and implementing automated systems for training, testing, and deploying machine learning models.
  • Experience developing machine learning models for product ranking and recommendation systems.
  • Experience using SQL, Hive, and Spark to interact with databases and big data storage systems.
  • Employer accepts any amount of graduate coursework, graduate research experience, or professional experience with the required skills.

Benefits

  • Medical, vision, and dental coverage.
  • 401(k), stock purchase plan, and company-paid life insurance.
  • Paid time off, including sick leave, parental leave, family care leave, bereavement, jury duty, and voting leave.
  • Short-term and long-term disability benefits.
  • Education assistance, including 100% company-paid college degrees.
  • Company discounts, military service pay, adoption expense reimbursement, and other benefits.
  • Performance-based incentive awards and eligibility-dependent benefits.

Tech Stack

Apache HiveApache SparkSQL

Categories

Data EngineeringML Engineering
Walmart

About Walmart

10,000+ employees

Walmart is a global omnichannel retailer that sells groceries, general merchandise, and services through Walmart and Sam's Club stores and online marketplaces for consumers and small businesses. Its model spans physical retail, e-commerce, advertising, and a vast supply chain, plus pharmacy, health, and financial services. Founded in 1962 and headquartered in Bentonville, Arkansas, Walmart Inc. is a public company on the NYSE (WMT) operating in the U.S. and multiple international markets.

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