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Walmart

Principal Software Engineer

Walmart

. Collaborate with stakeholders to translate business needs into actionable technical requirements and measurable outcomes.

Posted 5/8/2026full-timeSunnyvale • California, Washington • 🇺🇸 United StatesLead💰 $143,000 - $286,000 per yearWebsite

Tech Stack

Tools & technologies
JavaPython

About the role

Key responsibilities & impact
  • Collaborate with stakeholders to translate business needs into actionable technical requirements and measurable outcomes.
  • Collaborate with Data Scientists to prototype new algorithms and build ML model roadmaps.
  • Build scalable data pipelines for information retrieval and feature engineering.
  • Apply advanced AI/ML technologies to improve shopper intent understanding, contextual relevance, CTR/CVR predictions, etc.
  • Extract insights from production data and turn them into model improvement opportunities.
  • Stay on top of industry trends, and uplift engineering teams on best practice, code optimization, and new technologies.

Requirements

What you’ll need
  • Proficiency in one of the programming languages, Java, Python , C++, etc.
  • Proven records for training, deploying, evaluating and operating high throughput machine learning algorithms.
  • Solid understanding of popular machine learning algorithms and hands-on experience of deep learning.
  • Familiarity with LLM applications in relevance scoring and engagement predictions.
  • Bachelor's degree in computer science or related fields.
  • Master and PhD are preferred.
  • AdTech experience is a strong plus.

Benefits

Comp & perks
  • Health benefits include medical, vision and dental coverage.
  • Financial benefits include 401(k), stock purchase and company-paid life insurance.
  • Paid time off benefits include PTO (including sick leave), parental leave, family care leave, bereavement, jury duty, and voting.
  • Other benefits include short-term and long-term disability, company discounts, Military Leave Pay, adoption and surrogacy expense reimbursement, and more.
  • Live Better U is a Walmart-paid education benefit program for full-time and part-time associates in Walmart and Sam's Club facilities. Programs range from high school completion to bachelor's degrees, including English Language Learning and short-form certificates.

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools
JavaPythonC++machine learning algorithmsdeep learningdata pipelinesfeature engineeringAI technologiesmodel improvementLLM applications
Soft Skills
collaborationstakeholder engagementcommunicationproblem-solvingadaptability
Certifications
Bachelor's degree in computer scienceMaster's degreePhD