Director, Data Science

Position Summary...

What you'll do...

As Director, Data Science, you will lead and develop a team that enables Walmart Marketplace. This role is focused on technical and thought leadership, people development and operational process optimization-translating strategy into execution by aligning cross‑functional partners, contributing to marketplace KPIs.

What you'll do:

* Very good knowledge of the foundations of machine learning and statistics

* Experience in building large scale ML systems involving machine learning, supervised and unsupervised and deep learning.

* Hands on experience in Computer Visions and NLP. Gen AI, Agentic AI

* Lead, mentor and grow a team of data scientists, ML engineers and data analysts dedicated to Marketplace initiatives across seller lifecycle.

* Partner with product, engineering, merchandising, and business stakeholders to identify opportunities and align on strategic initiatives.

* Partner with other cross location data science teams to ensure continuous development and monitoring of Marketplace ML models.

* Oversee the end-to-end data science lifecycle: problem scoping, literature review, model design, algorithmic optimization, engineering integration, deployment, monitoring, and impact measurement.

* Drive AI innovation in marketplace AI models, including experimentation with new models and algorithms to improve accuracy and efficiency.

* Ensure robust model governance, model monitoring, reproducibility, and ethical AI practices.

* Communicate complex technical concepts and business impact effectively to technical and non-technical stakeholders, including senior leadership.

* Communicate complex technical concepts to non-technical audiences and executive leadership

* Stay current with industry trends and emerging technologies in data science and AI.

What you'll bring:

* 15+ years of experience with full ML development lifecycle.

* Extensive experience in data science, machine learning algorithms, and advanced analytical modeling techniques.

* Proficiency in programming languages including Python, SQL, and Java for code development, testing, and deployment.

* Strong understanding of data strategy, data quality, and data ecosystem management to drive business value.

* Proven ability to translate complex business requirements into actionable data-driven solutions aligned with strategic objectives.

* Expertise in data visualization tools and techniques to communicate insights effectively to stakeholders.

* Demonstrated leadership in mentoring teams, managing projects, and fostering continuous learning and innovation.

* Experience building machine learning models through all phases of development, from design through training, evaluation, validation, and implementation & monitoring.

* Experience with delivering very large models through the MLOps life cycle.

* Experience with generative AI technology stack including prompt engineering, guardrails, advanced RAG, KAG, CAG, and fine-tuning.

* Extensive hands-on experience of a broad stack of technologies - Python, Huggingface, VectorDB, Tensorflow, Pytorch, Elastic Search, Azure, etc.

* Authored research publications in top peer-reviewed conferences (NeurIPS/ICML/ICLR/AAAI), or industry-recognized contribution.

At Walmart, we offer competitive pay as well as performance-based bonus awards and other great benefits for a happier mind, body, and wallet. Health benefits include medical, vision and dental coverage. Financial benefits include 401(k), stock purchase and company-paid life insurance. Paid time off benefits include PTO (including sick leave), parental leave, family care leave, bereavement, jury duty, and voting. Other benefits include short-term and long-term disability, company discounts, Military Leave Pay, adoption and surrogacy expense reimbursement, and more.

You will also receive PTO and/or PPTO that can be used for vacation, sick leave, holidays, or other purposes. The amount you receive depends on your job classification and length of employment. It will meet or exceed the requirements of paid sick leave laws, where applicable. For information about PTO, see  Live Better U is a Walmart-paid education benefit program for…