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Walmart

Senior Data Scientist

Walmart

. Translate and co-own business problems into data-driven or mathematical solutions .

Posted 10/31/2026full-timeBangalore • IndiaSeniorWebsite

Core Competencies

Role fit
Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates expertise in designing, developing, and deploying scalable AI/ML and GenAI systems, with a strong focus on production-quality code and analytical modeling techniques. Proven ability to mentor junior data scientists and collaborate effectively with cross-functional teams to drive AI productization.

Highest-signal resume keywords
AI/ML System Design And DevelopmentGenAI Solutions And Prompt EngineeringStatistical Analysis And Hypothesis TestingMLOps/LLMOps PracticesPython Programming And Production Code

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills
AI/ML System DesignGenAI SolutionsStatistical AnalysisDeep LearningTensorFlowPyTorchPython ProgrammingMLOpsSQLLarge-Scale Data Processing
Soft Skills
Strong Communication SkillsMentoringCollaboration
Tools & Technologies
GitDockerKubernetesSparkHiveBigQuery
Industry Keywords
Production AI/ML SystemsAgentic AI FrameworksEvaluation StrategiesContinuous Quality MonitoringEngineering Excellence

Tech Stack

Tools & technologies
BigQueryDockerKubernetesPythonPyTorchSparkSQLTensorflow

About the role

Key responsibilities & impact
  • Translate and co-own business problems into data-driven or mathematical solutions
  • Own end-to-end design, development, deployment, and operation of production AI/ML and GenAI systems
  • Build agentic AI workflows supporting multi-step reasoning, tool use, planning, and autonomous task execution
  • Architect and operate stateful AI systems with conversation state, long-term memory, context persistence, and retrieval strategies
  • Drive GenAI and ML evaluation through offline benchmarks, online A/B experimentation, and continuous quality monitoring
  • Uphold trustworthy AI practices, including guardrails, human-in-the-loop processes, monitoring, governance, and safety mechanisms
  • Identify AI/ML and agentic AI use cases and build MVPs and proofs of concept
  • Select analytical modeling techniques, develop custom models, conduct EDA, statistical analysis, hypothesis testing, inference, and experiments
  • Develop and revise features based on model responses
  • Identify evaluation metrics and apply model testing and tuning techniques
  • Support deployment, evaluation, monitoring, and sustainability of analytical models in production
  • Write production-quality code and deliver application features
  • Lead technical design discussions and write design documents and RFCs
  • Participate in technical interviews and hiring
  • Mentor junior data scientists and contribute to design and code reviews
  • Partner with product, engineering, and platform teams to shape AI productization and associate-builder solutions

Requirements

What you’ll need
  • 6+ years of professional experience designing, developing, deploying, and maintaining scalable, production-grade AI/ML and GenAI systems
  • Bachelor's or Master's degree in computer science, engineering, statistics, mathematics, economics, or a related quantitative field
  • Strong industry experience building production AI/ML systems
  • Hands-on experience with production GenAI solutions, including RAG, advanced prompt engineering, and orchestration patterns
  • Familiarity with agentic AI frameworks such as LangChain and LangGraph
  • Experience managing conversational context, memory, state, retrieval strategies, session management, and personalization
  • Experience with LLM/GenAI evaluation strategies, offline benchmarks, online A/B experimentation, red-teaming, guardrails, and continuous quality monitoring
  • Deep knowledge of statistics, classical machine learning, and deep learning
  • Extensive hands-on use of TensorFlow, PyTorch, or equivalent frameworks
  • Experience building, optimizing, deploying, and performance-tuning deep learning systems in production
  • Expertise in Python and production-quality code
  • Experience with MLOps/LLMOps, including CI/CD pipelines, model registries, feature stores, monitoring, drift detection, and online experimentation
  • Experience with Git, Docker, and Kubernetes
  • Working knowledge of SQL and large-scale data processing tools such as Spark, Hive, or BigQuery
  • Ability to mentor junior data scientists and collaborate with organizational stakeholders
  • Strong communication skills and experience presenting technical concepts, research findings, and product insights
  • Commitment to engineering excellence, automation, standards, and continuous improvement
  • Minimum qualification alternatives: bachelor's degree plus 3 years' analytics experience; master's degree plus 1 year's analytics experience; or 5 years' experience in an analytics or related field

Benefits

Comp & perks
  • Incentive awards for performance
  • Maternity and parental leave
  • Paid time off (PTO)
  • Health benefits
  • Compensation package
  • Flexibility for associates to manage their personal lives