(USA) Senior, Data Scientist - Applied AI

Location: Sunnyvale, California, United States

Annual salary: $117,000–$234,000 for the Sunnyvale location; additional performance bonuses and potential stock compensation.

Company

hirify.global develops technology and services within Walmart's retail ecosystem.

What you will do

• Partner with HR business stakeholders to identify high-impact workflows for AI transformation.
• Design, build, and ship production AI systems, including agentic workflows, LLM applications, and supporting infrastructure.
• Develop evaluation frameworks to measure model and system performance against real business outcomes.
• Turn ambiguous business problems into prototypes and iterate them into durable production solutions.
• Write production-grade code and collaborate on engineering practices for scaled AI deployment.
• Mentor team members on AI engineering, system design, and applied research methods while supporting responsible AI, data governance, and security.

Requirements

• Extensive experience building and deploying production AI systems, including LLM applications or agentic workflows.
• Strong software engineering fundamentals and proficiency in Python and modern AI tooling.
• Hands-on experience with offline and online evaluation methods for AI systems.
• Working knowledge of data engineering, SQL databases, and production AI infrastructure.
• Ability to translate ambiguous business problems into shipped solutions with non-technical stakeholders.
• Bachelor's degree plus 3 years of relevant experience, master's degree plus 1 year, or 5 years of experience in analytics or a related field.

Nice to have

• Experience with data science, machine learning, and optimization models.
• Experience with Spark, Scala, R, scikit-learn, TensorFlow, or Torch.
• Knowledge of WCAG 2.2 AA, assistive technologies, and digital accessibility practices.

Culture & Benefits

• Medical, vision, and dental coverage.
• 401(k), stock purchase options, company-paid life insurance, and potential stock compensation.
• Paid time off, sick leave, parental and family care leave, and other leave programs.
• Short- and long-term disability coverage, discounts, and adoption and surrogacy expense reimbursement.
• Walmart-paid education benefits covering tuition, books, and fees for eligible full-time and part-time associates.