Vivek M D
Sr. Mgr- Data Science at Walmart Labs| NLP, Machine Learning, Deep Learning and Big Data
- Role
- Sr Mgr at Walmart Global Tech
- Location
- Austin, TX, US
- LinkedIn followers
- 500 followers
About Vivek M D
ML & Data Science: Deep learning, NLP, recommender systems, propensity & personalization, causal inference, A/B testing, forecasting, clustering. GenAI & LLMs: AI Agents, LangChain / LangGraph, LLM fine-tuning, RAG, prompt engineering, OpenAI / Claude / Llama, multi-modal (text + image) generation, vector databases, evals. Engineering & MLOps: Python, PySpark, SQL, Hadoop, Spark, multi-cloud ML-Ops, experiment tracking, Expo (experimentation), Tableau, PowerBI. Leadership: Team building, mentoring, technical strategy, stakeholder storytelling, applied research → production. 11 years of experience in predictive modelling, machine learning techniques and big data tools.4 years of international experience (United Kingdom and India) in business intelligence & data warehousing.Applied NLP and optimization techniques in text mining and customer segmentation using R and Python.Oracle certified ETL developer having experience in big data and predictive analytics.Excellent understanding of various statistical hypothesis testing such as t-test & ANOVA, regression models.Google Analytics and SAS certified Predictive Modeler who has implemented RFM and LTV models. A RDBMS data modeler proficient in Kalido tool.Consistent team worker and a good leader, having strong analytical, problem solving & interpersonal skills.Software Skills:Analytical Tools and Languages: R, Python(Intermediate), SAS, Spark(Beginner), TableauDW Build Tools and Database Informatica, Kalido, Hive, Oracle, Teradata, Microsoft SQL Server, MySql
Experience
Sr Mgr
Apr 2023 — Present
Education
Oklahoma State University
Master’s Degree, Business Analytics
2015 — 2017
Anna University Chennai
Bachelor’s Degree, Computer Science
2007 — 2011
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