Senior, Data Scientist | Sunnyvale/Bellevue

Position Summary...

What you'll do...

Walmart Golbal Tech is looking to hire a Senior Data Scientist for our Sunnyvale/Bellevue location. You would be working on challenging problems leveraging Machine Learning and Deep Learning Techniques to generate tangible and immediate business impact. As a Senior Data Scientist for Walmart Labs, you’ll be required to shape and deliver on the MINT data sciences charter.

Are you a technically strong and high performing individual with experience in machine learning and deep learning, excellent communication skills, proven analytical skills and strong customer focus? Do you stay updated with latest research and technology ideas and have a passion to utilize innovative ways to solve problems? Are you a good storyteller and able to simply articulate the intricacies of your models as well as explain your results clearly to stakeholders?

About Team: Market Intelligence (MINT)
Market Intelligence (MINT) team at Walmart Labs, delivers on the promise of EDLP (Every Day Low Prices) to our customers. It is focused on generating actionable insights for pricing, assortment, marketing optimization purpose for stores and e-commerce business across geographies leveraging market intelligence. Our systems are built leveraging cutting edge open-source technologies.

What you'll do:

• Analytical Modeling: Feature relevance and selection. Exploratory data analysis methods and techniques. Advanced statistical methods and best-practice advanced modelling techniques (e.g., graphical models, Bayesian inference, NLP, Computer Vision, neural networks, SVM, Random Forest etc.)
• Deep Learning: Experience in fine tuning Large Language Models and Vision Models. Experience with model compression methods like distillation and quantization and related inference optimizations methods.
• Model Assessment & Validation: - Model fit testing, tuning, and validation techniques (e.g., Chi square, ROC curve, root mean square error etc.). Impact of variables and features on model performance. 
• Model Deployment & Scaling: Impact of variables and features on model performance. Understanding of servers, model formats to store models. 
• Data Visualization: Generates appropriate graphical representations of data and model outcomes under guidance. Supports the understanding of customer requirements and designs data representations for simple data sets. Presents to and influences the team using the appropriate frameworks and conveys messages through basic business understanding. 

What you'll bring:

• Master’s Degree with > 4+ years of relevant experience OR PhD with > 2+ years of relevant experience in Computer Science, Statistics, Information Technology, Operations Research, or a related field
• Proficiency in Python.
• Hands-on experience in Large Language Models, Generative AI, NLP, Machine Learning and Deep Learning techniques.
• Experience in open-source frameworks and packages like scikit-learn, Numpy, Pandas, matplotlib, and Pytorch/Tensorflow.
• Knowledge of experimental design and A/B testing

About Walmart Global Tech:
Imagine working in an environment where one line of code can make life easier for hundreds of millions of people. That’s what we do at Walmart Global Tech. We’re a team of software engineers, data scientists, cybersecurity expert's and service professionals within the world’s leading retailer who make an epic impact