(USA) Senior, Data Scientist

Company:  Walmart
Location: Reston
Closing Date: 01/11/2024
Salary: £150 - £200 Per Annum
Hours: Full Time
Type: Permanent
Job Requirements / Description

Position Summary

Build machine learning models for financial applications such as forecasting and anomaly detection. Develop methodologies to scale up the solution to handle millions of time series data simultaneously. Graduate degree in Statistics, Economics, Analytics, Mathematics, Computer Science, Information Technology or experience in an analytics related field.

About The Team

Our team works closely with our US stores and eCommerce business to better serve customers by empowering team members, stores, and merchants with technological innovation. From groceries and entertainment to sporting goods and crafts, Walmart U.S. offers an extensive selection that our customers value, whether they shop online at Walmart.com, through one of our mobile apps, or in-store. Focus areas include customers, stores and employees, in-store service, merchant tools, merchant data science, and search and personalization.

What You'll Do

  1. Big Data processing and feature engineering
  2. Training machine learning models through Cloud Services including Google Cloud Platform and Microsoft Azure
  3. Time series forecasting, anomaly detection, LLM tuning, using sound statistical and deep learning methods
  4. Deployment of machine learning models to cloud platforms to serve internal customers at scale

What You'll Bring

  1. Hands on experience of designing and training large DL models on GPU farm
  2. Deep understanding of optimization theory, the inner working of neural network, attention architecture
  3. Proven records of solving business problems using transformer based neural networks
  4. Familiar with common DL packages such as Pytorch, Keras, Tensorflow
  5. Strong software development skills in languages such as Python, SQL, R, Scala, Java
  6. Economic background is a plus

Great To Have

  1. Problem solving mindset with can-do attitude, not afraid of facing new problems, technical challenges, delivery pressures.
  2. Ability to clearly define problems, models and constraints from informal and flexible business requirements.
  3. Teamwork spirit, quick adaptation to new environment

Minimum Qualifications

Outlined below are the required minimum qualifications for this position. If none are listed, there are no minimum qualifications.

Option 1- Bachelor's degree in Statistics, Economics, Analytics, Mathematics, Computer Science, Information Technology, or related field and 3 years' experience in an analytics related field. Option 2- Master's degree in Statistics, Economics, Analytics, Mathematics, Computer Science, Information Technology, or related field and 1 years' experience in an analytics related field. Option 3 - 5 years' experience in an analytics or related field.

Preferred Qualifications

Outlined below are the optional preferred qualifications for this position. If none are listed, there are no preferred qualifications.

Data science, machine learning, optimization models, Master's degree in Machine Learning, Computer Science, Information Technology, Operations Research, Statistics, Applied Mathematics, Econometrics, Successful completion of one or more assessments in Python, Spark, Scala, or R, Using open source frameworks (for example, scikit learn, tensorflow, torch), We value candidates with a background in creating inclusive digital experiences, demonstrating knowledge in implementing Web Content Accessibility Guidelines (WCAG) 2.2 AA standards, assistive technologies, and integrating digital accessibility seamlessly.

Primary Location

10790 Parkridge Dr. Suite 200, Reston, VA 20191, United States of America

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