Data Scientist

Data Scientist

What you'll do at Walmart Labs

This position is part of the Growth organization in @WalmartLabs. We are seeking talented and self-driven individuals to join the Walmart Performance Ads team. The Walmart Performance Ads team owns the platform that enhances user experience while improving monetization on Walmart.com, by displaying highly contextual and targeted product advertisements to our customers. The team operates an end to end advertising platform that includes a scalable ad service that serves hundred of millions of impressions each day, sophisticated ad matching algorithms, real-time reports, advertiser tools for end to end program management etc. The Walmart Performance Ads team uses Walmart scale big data and relies on the bleeding edge technologies to power the platform. In this role, you will:
 
- Participate in data collection, feature engineering, experimentation and deployment of machine learned models to improve user experience on Walmart.com
- Leverage Hadoop, Spark and related technologies to derive insights from big data
- Explore new algorithms, evaluation metrics, tools to build and deploy machine learned models on various Walmart online properties.
- Build pipelines and the framework to automate various components of a machine learning system. Write clean and maintainable code in Scala, Java, Python and Ruby

Minimum Qualifications

- MS with 2+ yrs exp or PhD in Data Science/Computer Science/Statistics/Mathematics/Machine Learning or related fields.
- Deep knowledge of machine learning, information retrieval, data mining, statistics, NLP and related fields
- Strong background in algorithms and data structures
- Mastery of one or more programming languages

Preferred Qualifications

- Proficiency in Scala, Java, Python and/or Ruby
- Experience with search relevance, recommendation systems, or ad ranking a plus
- Knowledge of data analysis tools like numpy, scipy, scikit
- Experience using big data technologies like Hadoop, Hive, Spark etc. and relational databases like MySQL, Oracle
- Ability to mentor others and thrive in a dynamic, fast-paced, and collaborative start-up like environment
Walmart Associate
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All the benefits you need for you and your family

  • Multiple health plan options
  • Vision & dental plans for you & dependents
  • Associate discounts in-store and online
  • Financial benefits including 401(k), stock purchase plans and more
  • Education assistance for Associate and dependents

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