Principal Data Scientist

Principal Data Scientist

What you'll do at Walmart Labs

  • A Principal Data Scientist is responsible for collaborating with a business segment to determine long-term vision and provide analytical support and guidance. A Principal Data Scientist analyzes large data sets to develop multiple, complex custom models and algorithms to drive innovative business solutions. Principal Data Scientists work on large project teams in order to provide analytical support and guidance to a large project team (for example, email targeting, business optimization, consumer recommendations) within Walmart eCommerce. The algorithms built
  • Build learning systems to analyze and filter continuous data flows and offline data analysis.
  • Combine data features to determine search models.
  • Conduct advanced statistical analysis to determine trends and significant data relationships.
  • Develop machine learning models to apply test data algorithms to future data.
  • Develop models of current state in order to determine improvements needed.
  • Drives the execution of multiple business plans and projects
  • Ensures business needs are being met
  • Interpret data to identify trends to go across future data sets.
  • Lead project teams to develop innovative solutions to drive innovative business solutions.
  • Lead the implementation of data modeling solutions.
  • Promotes and supports company policies, procedures, mission, values, and standards of ethics and integrity
  • Provide guidance to cross-functional leadership regarding data modeling possibilities.
  • Provides supervision and development opportunities for associates
  • Research new techniques and best practices within the industry.
  • Review business strategies to ensure alignment across initiatives.
  • Scale new algorithms to large data sets.
  • Train algorithms to apply models to new data sets.
  • Translate business needs into data modeling initiatives.
  • Utilize system tools including (MySQL, Hadoop, Weka, R, Matlab,ILog).
  • Validate models and algorithmic techniques.

Minimum Qualifications

- PhD in information retrieval, Data mining, Machine learning, Deep Learning, NLP, Statistics, Vision or related areas
- Programming experience in either Python or JAVA
- Strong understanding of one of probability-statistics/optimization/linear algebra

Preferred Qualifications

- Experience working on commercial search/recommendation engines or publishing in top conferences like SIGIR, KDD, WSDM, NIPS, ACL etc.
- Experience with techniques like text retrieval models, click models, learning to rank, explore exploit, reinforcement learning, deep learning etc.
- Experience with big data technologies such as hive, hadoop, spark etc.
Walmart Associate
"I feel like my manager wants to help me become a better developer and a better person overall."
— Roel, Program Analyst

Hello, Silicon Valley

You don’t have to choose between your career and your lifestyle in Silicon Valley. Here, you can have both.

Discover Silicon Valley
Silicon Valley
View of Silicon Valley from the hills after a passing storm

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

Recently viewed jobs