Senior Data Scientist

Data Scientist III

Position Summary...

What you'll do...

About Team:
As part of the B2B (Walmart Business) platform, you'll work with a high-performing team of engineers, architects, and data scientists solving complex analytical and machine learning problems that power business customers at scale.
Walmart Business enables seamless B2B experiences including bulk purchasing, pricing intelligence, catalog management, and fulfilment optimization. Our data science teams drive predictive analytics, personalization, and intelligent decision-making at scale.

What you'll do:

Design and build end-to-end ML pipelines processing TB-scale datasets
Develop and deploy machine learning models using frameworks such as TensorFlow, PyTorch, or Scikit-learn on Dataproc/Vertex AI
Build real-time and batch inference pipelines to serve model predictions at scale
Create feature engineering, model training, and experimentation workflows using Airflow and MLflow
Build and manage analytical models supporting B2B products including pricing, demand forecasting, and customer segmentation
Enable scalable model evaluation and insights delivery via BigQuery, Trino, and Hive
Ensure model quality, integrity, and observability through monitoring and drift detection
Optimize models for performance, accuracy, and cost efficiency
Own production ML systems including model serving infrastructure and experiment tracking platforms
Integrate and derive signals from data sources like Salesforce and Marketo to power customer intelligence
What you'll bring:

5+ years in data science or applied machine learning
Strong Python + SQL with hands-on experience in ML libraries (Scikit-learn, XGBoost, TensorFlow, or PyTorch)
Experience with distributed model training using Spark or similar frameworks
Hands-on with cloud ML platforms (GCP/AWS/Azure – Vertex AI/BigQuery ML preferred)
Experience with feature stores, experiment tracking (MLflow/Concord), and model deployment
Solid understanding of statistical modelling, A/B experimentation, and ML system design
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 experts and service professionals within the world's leading retailer who make an epic impact and are at the forefront of the next retail disruption. People are why we innovate, and people power our innovations. We are people-led and tech-empowered.
We train our team in the skillsets of the future and bring in experts like you to help us grow. We have roles for those chasing their first opportunity as well as those looking for the opportunity that will define their career. Here, you can kickstart a great career in tech, gain new skills and experience for virtually every industry, or leverage your expertise to innovate at scale, impact millions and reimagine the future of retail.

Flexible, hybrid work
Walmart's culture sets us apart, and we know being together helps us innovate, learn and grow great careers. This role is based in our [Bangalore/Chennai] office for daily work, with the flexibility for associates to manage their personal lives.

Benefits
Beyond our great compensation package, you can receive incentive awards for your performance. Other great perks include a host of best-in-class benefits maternity and parental leave, PTO, health benefits, and much more.

Belonging
We aim to create a culture where every associate feels valued for who they are, rooted in respect for the individual. Our goal is to foster a sense of belonging, to create opportunities for all our associates, customers and suppliers, and to be a Walmart for everyone.
At Walmart, our vision is "everyone included." By fostering a workplace culture where everyone is—and feels—included, everyone wins. Our associates and customers reflect the makeup of all 19 countries where we operate. By making Walmart a welcoming place where all people feel like they belong, we're able to engage associates, strengthen our business, improve our ability to serve customers, and support the communities where we operate.

Equal Opportunity Employer
Walmart, Inc., is an equal opportunities employer – by choice. We believe we are best equipped to help our associates, customers and the communities we serve live better when we really know them. That means understanding, respecting and valuing unique styles, experiences, identities, ideas and opinions – while being inclusive of all people.

Minimum Qualifications...

Outlined below are the required minimum qualifications for this position. If none are listed, there are no minimum qualifications.

Minimum Qualifications:Option 1: Bachelors degree in Statistics, Economics, Analytics, Mathematics, Computer Science, Information Technology or related field and 2 years' experience in an analytics or related field. Option 2: Masters degree in Statistics, Economics, Analytics, Mathematics, Computer Science, Information Technology or related field. Option 3: 4 years' experience in an analytics or related field.

Preferred Qualifications...

Outlined below are the optional preferred qualifications for this position. If none are listed, there are no preferred qualifications.

Primary Location...

Building 10 (sez), Cessna Business Park, Kadubeesanahalli Village, Varthur Hobli , India

Experience Level

Senior Level