Senior AI Discovery Architect

Walmart Inc.; Sunnyvale (CA); On-site; USD 169,000 - 338,000; Full time

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Job summary

Walmart Inc. is seeking a Distinguished Software Engineer for Walmart International Search & Personalization in Sunnyvale, CA.

This senior technical leader will own architecture, strategy, and the engineering bar for discovery platforms that serve global markets, spanning data pipelines, retrieval, ranking, and generative experiences. You’ll define a multi-year vision, lead cross-market initiatives, mentor senior engineers, and partner with product and data leaders to shape roadmaps.

Qualifications

• 15+ years of experience designing scalable distributed applications and platforms.
• Distinguished track record architecting large-scale cloud-native systems for search, personalization, or ads serving hundreds of millions of users.
• Ability to set technical direction across multiple teams and influence adoption of shared architectures.
• Proven success hiring and mentoring senior technical talent; strong executive communication.

Responsibilities

• Define and own multi-year technical strategy and reference architecture for International Search & Personalization across markets.
• Architect AI-native discovery, including LLM-powered understanding, semantic/hybrid retrieval, and real-time personalization.
• Lead multi-tenant, multi-market platform direction for scalable, shared foundations.
• Set engineering standards for ML lifecycle, data quality, observability, and resilience.
• Resolve complex cross-cutting technical challenges and drive systemic fixes.
• Mentor Principal and Senior engineers, building leadership depth and craftsmanship.
• Collaborate with product/data leaders on roadmaps and strategic build-vs-buy decisions.
• Represent Walmart International in architecture forums and external technical publications.

Skills

Distributed systems design

Cloud-native architecture

LLM & Generative AI

MLOps & ML platforms

Kubernetes

Python/Java/Scala/Go/C++

Multi-market platforms

Search & retrieval

Vector search

Education

Bachelor's degree in computer science or related field

Master's degree (preferred)

Tools

Vespa

Elasticsearch/OpenSearch/Solr

FAISS/ScaNN/Milvus

LangGraph

MLflow/Kubeflow/Vertex AI

TensorRT-LMM/Triton

Kubernetes

Job description

Walmart Inc. is seeking a Distinguished Software Engineer for Walmart International Search & Personalization in Sunnyvale, CA.

This senior technical leader will own architecture, strategy, and the engineering bar for discovery platforms that serve global markets, spanning data pipelines, retrieval, ranking, and generative experiences. You’ll define a multi-year vision, lead cross-market initiatives, mentor senior engineers, and partner with product and data leaders to shape roadmaps.