Distinguished, Data Scientist

Walmart · Retail · Sunnyvale, CA

Distinguished Data Scientist for Walmart's eCommerce Search AI, focusing on next-generation search experiences using neural search, Generative AI, and agentic AI systems. The role involves architecting scalable search infrastructure, driving adoption of advanced ML/AI techniques like deep retrieval and LLM intent understanding, and ensuring production readiness. Key responsibilities include partnering with cross-functional teams, influencing technical strategy, mentoring senior staff, and championing best practices in experimentation, evaluation, and AI governance. The role emphasizes innovation and staying ahead of trends in neural search, GenAI, and agentic systems for responsible scaling across the eCommerce ecosystem.

What you'd actually do

  1. As a Distinguished Data Scientist focused on eCommerce Search AI, you will set the strategic and technical direction for next-generation search experiences that leverage neural search, Generative AI, and agentic AI systems to deliver highly relevant and personalized customer interactions at scale.
  2. You will architect and lead the design of scalable, end-to-end Search infrastructure, drive adoption of advanced ML and AI techniques including deep retrieval models and LLM-powered intent understanding, and ensure these systems meet stringent standards for performance, latency, reliability, and operational excellence in production.
  3. You will partner closely with Search, Ads, Personalization, and Catalog leaders to ensure cohesive relevance, consistent ranking signals, and shared platform capabilities across all discovery surfaces.
  4. As a senior technical leader, you will influence cross-functional strategy across Search, Ads, Personalization, and Catalog domains, aligning technical investments with customer experience, monetization, and business outcomes.
  5. You will mentor senior engineers and data scientists, champion best practices in experimentation, evaluation, and AI governance, and contribute to advancing the state of the art in search relevance and AI-driven decisioning.

Skills

Required

  • Deep expertise in search, information retrieval, and ranking systems at scale
  • Strong understanding of neural search architectures, ML/AI, and generative models
  • Experience applying LLMs and agentic AI techniques to production systems
  • Demonstrated ability to translate technical solutions into business impact
  • Excellent cross-team collaboration and communication skills
  • Proven ability to influence technical direction and mentor senior technical contributors
  • Bachelor’s degree in Computer Science, Machine Learning, Data Science, or related field
  • 12+ years of relevant experience in search, ML/AI engineering, or data science
  • Proven experience building and operating large-scale search or AI systems
  • Strong programming proficiency (e.g., Python, SQL) and experience with ML frameworks

Nice to have

  • Master’s or PhD in a quantitative discipline
  • Experience with neural retrieval models, embedding-based search, and learning-to-rank
  • Hands-on experience with Generative AI, LLMs, RAG, or agentic AI frameworks
  • Background in eCommerce, digital platforms, or consumer-facing search systems
  • Familiarity with cloud-native infrastructure and real-time distributed systems

What the JD emphasized

  • set the strategic and technical direction
  • architect and lead the design
  • drive adoption of advanced ML and AI techniques
  • meet stringent standards for performance, latency, reliability, and operational excellence in production
  • partner closely with Search, Ads, Personalization, and Catalog leaders
  • influence cross-functional strategy
  • aligning technical investments with customer experience, monetization, and business outcomes
  • mentor senior engineers and data scientists
  • champion best practices in experimentation, evaluation, and AI governance
  • contribute to advancing the state of the art
  • foster a culture of innovation and accountability
  • staying ahead of emerging trends
  • ensure solutions scale responsibly
  • Proven experience building and operating large-scale search or AI systems
  • Hands-on experience with Generative AI, LLMs, RAG, or agentic AI frameworks

Other signals

  • eCommerce Search AI
  • neural search
  • Generative AI
  • agentic AI systems
  • deep retrieval models
  • LLM-powered intent understanding