Staff GenAI Engineer - AI-Driven E-commerce

Walmart

Sunnyvale (CA)

On-site

USD 143,000 - 286,000

Full time

14 days+
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Benefits offered by this job

Health benefits
401(k) and stock purchase program
Paid time off and family leave

Job summary

Walmart is hiring a Staff Software Engineer to pioneer GenAI integration into production e‑commerce systems. You will shape AI-driven shopping experiences, architect scalable frontend/backend solutions, and influence architectures across teams.

You will lead development of AI-infused features with React UIs, manage state with Redux and React Query, and build GraphQL APIs as the backbone for LLM-powered services. A strong JavaScript foundation and production AI experience are essential.

Qualifications

  • 10+ years of software engineering experience.
  • Proven track record shipping distributed systems in Java.
  • Hands-on experience shipping GenAI or LLM-powered features/services.
  • Strong experience designing APIs and service architectures integrating AI/ML components.
  • Deep expertise in modern JavaScript ecosystems (React, Node.js, GraphQL) and performance optimization.
  • Demonstrated ability to influence technical direction without direct authority.

Responsibilities

  • Define and drive technical strategy for GenAI-powered experiences—architect scalable frontend/backend solutions.
  • Lead development of AI-infused features using React UIs and intelligent components.
  • Manage state with Redux and React Query; build GraphQL APIs for LLM-powered services.
  • Ship GenAI/LLM features at massive scale, optimize token costs, latency, and safety.
  • Refactor and evolve codebases to be modular and maintainable for future AI innovations.
  • Collaborate cross-functionally with product, design, backend, and AI research teams.
  • Build internal AI best practices—tooling, evaluation frameworks, and coding standards.
  • Mentor engineers, lead code reviews, and drive developer productivity.

Skills

JavaScript
Node.js
GraphQL
GenAI
React
Code quality

Education

Bachelor's degree in CS
Master's degree (preferred)

Tools

React
Node.js
Docker
Kubernetes
NX

Job description

Walmart is hiring a Staff Software Engineer to pioneer GenAI integration into production e‑commerce systems. You will shape AI-driven shopping experiences, architect scalable frontend/backend solutions, and influence architectures across teams.

You will lead development of AI-infused features with React UIs, manage state with Redux and React Query, and build GraphQL APIs as the backbone for LLM-powered services. A strong JavaScript foundation and production AI experience are essential.

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