45 applicants
Walmart · 6 days ago
Senior Data Scientist
Sunnyvale, CA
Full-time
Onsite
Senior Level
$170K/yr - $286K/yr
1+ years exp
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Responsibilities
Research and develop online machine learning models and systems to power personalized online shopping experiences.
Develop explore-exploit and reinforcement learning based models deployed at various touchpoints on the website, including optimizing for defined business metrics as well as optimal customer experience.
Ensure timely updates of ML system models.
Build sophisticated performance tracking systems and ML based tools to detect data inaccuracies, model defects, and anomalous errors in production pipelines.
Implement large-scale systems leveraging distributed systems, graph-based models, and GPU based technologies to ensure that complex machine learning powered models can be served without compromising the website performance.
Use historical data leveraging customer datasets to identify customer insights.
Build statistical models on petabytes of data to build and evaluate hypotheses which positively influence incremental revenue and customer growth for Walmart.
Qualification
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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.
Experience programming in one of the following scripting languages: Python, R, PhP, Shell, or JavaScript.
Experience building data pipelines for collecting and managing data sets using MySQL, Hive, Hadoop, Spark, Cassandra, and Kafka.
Experience with data mining, natural language processing, and information retrieval.
Experience implementing machine learning, deep learning, and reinforcement learning models including Random Forest, Gradient Boosting, SVM, CNN, and RNN using tools including Tensorflow, PyTorch, Keras, Sklearn, and H2O.
Experience using the Version Control Software Git to track, review, organize, and maintain source code.
Experience with probability, statistics, and data analysis techniques including regression, P values, hypothesis testing, probability distributions, and multivariate analysis.
Experience developing with cloud-based environments including Azure and Google Cloud Platform.
Experience with MySQL and NoSQL.
Experience with mathematical optimization and algorithm design.
Benefits
Medical, vision, and dental coverage
401(k)
Stock purchase
Company-paid life insurance
Paid time off benefits including PTO, parental leave, family care leave, bereavement, jury duty, and voting
Short-term and long-term disability
Education assistance with 100% company-paid college degrees
Company discounts
Military service pay
Adoption expense reimbursement
Company
Walmart
Walmart is a retail corporation that operates several chains of discount department and warehouse stores.
10,001+ employees
H1B Sponsorship
Walmart has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Trends of Total Sponsorships
2023 (2267)
2022 (3331)
2021 (3513)
2020 (2187)
Funding
Current Stage
Public CompanyTotal Funding
$5B2023-04-15Post Ipo Debt· $5B
1978-01-13IPO· nyse:WMT
Leadership Team
Doug McMillon
President and CEO
John Furner
President and Chief Executive Officer of Walmart U.S.
Recent News
2024-06-05
2024-06-05
Business Insider
2024-06-05
Company data provided by crunchbase
