Uma B K.
Seller Risk | Decision Science at Walmart
- Role
- Advanced Analytics Manager at Walmart
- Location
- Seattle, WA, US
- LinkedIn followers
- 500 followers
About Uma B K.
I work at the intersection of data science and business risk, building decision systems…
Experience
Advanced Analytics Manager
May 2024 — Present · Seattle, WA, US
Work on Walmart’s eCommerce Risk team, focusing on Seller Risk strategy. Own key fraud detection logic and help shape interventions that balance risk reduction with seller experience. Use behavioral signals, rules, and ML-informed insights to identify suspicious activity, collaborating closely with Product, Ops, and Engineering to continuously evolve our risk ecosystem.Work with data such as seller performance, fulfillment behavior, customer complaints, chargebacks, returns, and login patterns to detect fraud and abuse.Strategies contributed to double-digit % reduction in seller fraud losses while maintaining seller experience.
Education
Amrita Vishwa Vidyapeetham, Coimbatore
Bachelor’s Degree, Computer Science and Engineering
2012 — 2016
Indiana University Bloomington
Master's degree, Data Science
2018 — 2020
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