✦ Luna Orbit — Data & Analytics

Staff Data Scientist- MLE - Recommendations & Personalization

at Walmart

📍 (USA) Crossman Service Building CA SUNNYVALE Home Office Unknown 💰 $143K – $286K USD / year Posted March 13, 2026
Salary $143K – $286K USD / year
Type Not Specified
Experience senior
Exp. Years 4+ years
Education Not specified
Category Data & Analytics

This role involves architecting and leading large-scale recommendation and personalization systems, focusing on feature strategy, platform design, and cross-team collaboration.

  • Design feature architecture
  • Lead feature store evolution
  • Drive best practices in recsys
  • Mentor engineers
  • Ensure system reliability

The technical environment includes distributed systems, data pipelines, real-time and batch data processing, feature stores, and recommendation algorithms.

The ideal candidate is a senior data scientist or ML engineer with 4+ years of experience in recommendation systems, feature engineering, and large-scale data processing. They possess deep expertise in distributed systems, real-time data, and scalable data architectures, with strong leadership and cross-team collaboration skills.

4+ years in data engineeringML engineeringor recsys platform rolesExperience architecting feature platforms for recommendation systemsDeep expertise in distributed systemsStrong understanding of ranking architecturesPartnering with product and ML leadership
Experience with feature storesExperience with real-time and batch featuresKnowledge of personalization patternsExperience in recommendation system development
Distributed systemsData pipelinesReal-time data systems
Recommendation SystemsFeature EngineeringDistributed SystemsData PipelinesReal-time DataML EngineeringRanking ArchitecturesPersonalizationFeature StoresLarge-scale Data Processing
Feature engineeringRecommendation systemsLarge-scale data processingDistributed systemsFeature storesReal-time data systemsData pipelinesML engineeringRanking architecturesCandidate generationPersonalizationScalable data systems
Technical communicationLeadershipMentoringCross-team collaborationProblem-solving
Industry Retail / E-commerce / Technology
Job Function Architecting and leading recommendation system features
Data EngineerML EngineerRecommendation SystemsFeature EngineeringFeature StoresDistributed SystemsLarge-scale Data ProcessingReal-time Data SystemsData PipelinesRanking ArchitecturesPersonalizationScalable Data SystemsRecommendationRecommendation and Personalization SystemsRecommendation PipelinesReal-time DataML Engineering

Less than 4 years of relevant experience, Lack of experience with recommendation systems, No experience with distributed data systems, Inability to lead cross-team initiatives

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