Walmart
Walmart
Walmart este o companie globală de retail și comerț electronic care deservește consumatorii prin hipermarketuri, magazine universale cu discount, magazine alimentare și o piață online. Oferta sa largă de produse este susținută de o rețea extinsă de magazine fizice, operațiuni de vânzare directă către consumatori și sistemele de logistică și de lanț de aprovizionare necesare pentru circulația produselor în întreaga companie.

Senior Machine Learning Engineer, eCommerce Search and Discovery | Walmart | Sunnyvale, CA

Build scalable machine learning systems for Walmart’s eCommerce search and discovery experience. Develop ranking, retrieval, natural language processing, and low-latency services that support millions of daily queries.

Descriere

  • Lead the design, development, and deployment of scalable machine learning solutions for complex business problems
  • Partner with engineering, data science, and product teams to deliver models and ML features that support business goals
  • Create and deploy scalable ML systems with suitable algorithms, frameworks, and programming languages
  • Build and maintain data pipelines, APIs, and model components that meet quality, security, and compliance standards
  • Use MLOps practices such as CI/CD, model versioning, monitoring, and automated retraining
  • Evaluate and validate models while monitoring their ongoing performance
  • Coach team members on engineering practices, code quality, and model evaluation
  • Contribute to architecture decisions that strengthen system scalability and maintainability
  • Develop and optimize high-throughput, low-latency services using distributed systems, fault tolerance, and concurrency techniques
  • Conduct A/B tests to measure search quality and business outcomes
  • Support eCommerce search and discovery capabilities, including query and intent understanding, autocomplete, retrieval, ranking, and data and feature pipelines
  • Advance continuous improvement, technical quality, innovation, and operational resilience

Cerințe

  • Bachelor’s degree in computer science, computer engineering, computer information systems, software engineering, or a related field plus 3 years of experience in software engineering, machine learning engineering, AI systems, or a related area; alternatively, 5 years of relevant experience
  • Advanced experience designing, developing, and deploying scalable machine learning models with TensorFlow, PyTorch, and Scikit-learn
  • Strong programming ability in Python, SQL, Java, C++, or R
  • Demonstrated ability to produce clean, production-ready code
  • Experience with MLOps, including CI/CD pipelines, model versioning, automated retraining, and performance and drift monitoring
  • Experience with hyperparameter tuning, model evaluation, and feature engineering
  • Knowledge of secure, compliant AI engineering and data pipeline development
  • Familiarity with large language models and GPU optimization techniques
  • Ability to work across functions and mentor junior engineers
  • Preferred: master’s degree and one year of experience in a related area
  • Preferred: professional experience with accessibility best practices
  • Preferred: experience creating inclusive digital experiences and applying WCAG 2.2 AA standards and assistive technologies

Beneficii

  • Performance-based bonus opportunities
  • Medical, vision, and dental coverage
  • 401(k) plan
  • Stock purchase program
  • Company-paid life insurance
  • Paid time off, including sick leave
  • Parental leave
  • Family care leave
  • Bereavement leave
  • Jury duty leave
  • Voting leave
  • Short- and long-term disability coverage
  • Company discounts
  • Military leave pay
  • Adoption and surrogacy expense reimbursement
  • PTO and/or PPTO for vacation, sick leave, holidays, or other purposes
  • Live Better U, Walmart’s company-paid education benefit program
  • Full payment of tuition, books, and fees for eligible education programs
  • Additional compensation may include stock

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