Senior Data Scientist

About the Team

At Walmart Labs Bengaluru, innovation scales to meet the needs of 260 million customers weekly across thousands of stores and multiple countries. The Personalization team is focused on understanding customers deeply to deliver seamless, tailored shopping experiences both online and in stores. This team blends data science, engineering, and product vision to build intelligent, AI-powered systems that personalize customer journeys uniquely for each individual. These solutions operate across various markets and retail formats, driving assisted AI for Walmart associates.

Role Overview and Responsibilities

• Design and implement advanced statistical and machine learning techniques, such as deep neural networks, Bayesian models, and optimization algorithms.
• Develop scalable, efficient models capable of functioning at Walmart's vast data scale.
• Collaborate across business, engineering, and science teams to devise impactful solutions addressing complex business challenges.
• Define model performance metrics and continuously monitor business impact and improvements.
• Translate complex analytical findings into clear, actionable insights for business stakeholders to influence strategy.
• Drive ongoing advancements in data science by adopting industry best practices and integrating cutting-edge machine learning research.
• Embed data science models into existing business workflows and processes.
• Develop and promote standards and best practices related to machine learning in retail.
• Engage as a thought-leader with business stakeholders across stores and e-commerce to convert algorithmic insights into business actions.
• Represent Walmart at external events including research conferences and technical summits.
• Uphold company values, ethics, and standards of integrity.

Qualifications and Experience

• Bachelor's degree with over 5 years, or Master's degree with more than 4 years, or PhD in Computer Science, Statistics, Mathematics, or related field with at least 3 years of relevant experience.
• Proven expertise in machine learning techniques including NLP, classification, data and text mining, multi-modal models, neural networks, and deep learning.
• Experience with embedding generation, vector databases, managing LLM gateways, developing Retrieval-augmented Generation (RAG) based LLM agents, prompt engineering, model fine-tuning, and governance based on user feedback.
• Strong proficiency in Python and PySpark programming, with experience in Google Cloud Platform for model deployment.
• Hands-on experience working with large-scale big data platforms.

Company and Culture

Walmart Global Tech empowers technology innovations impacting millions worldwide. The team includes diverse roles across software engineering, data science, and cybersecurity. Walmart's culture emphasizes learning, inclusivity, and growth, offering flexible working arrangements around the offices in Bangalore and Chennai. Associates are supported with competitive compensation, incentive awards, comprehensive benefits such as parental leave, paid time off, health coverage, and more.

Inclusion and Equal Opportunity

Walmart is committed to fostering a workplace where every associate feels respected and valued. The company embraces diversity in backgrounds and perspectives, ensuring a sense of belonging and equal opportunity for all employees and applicants.

Location

The position is based in Bengaluru, Karnataka, India, at Block-1, Prestige Tech Pacific Park, Sy No. 38/1, Outer Ring Rd, Kadubeesanahalli.