(USA) Senior, Software Engineer

Walmart

Hybrid Actively hiring
Sunnyvale, CA Posted 10 days ago $117,000–$234,000 / year
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At a glance

AI generated

TL;DR

We are seeking a Senior Full Stack Software Engineer to join our dynamic team responsible for evolving and operating the Marketplace API Gateway, which handles high-volume traffic from sellers and solution partners. In this role, you will design and build high-scale distributed services using Java, Rust, and NodeJS, while also leading the development of the mGQL gateway with schema design and performance optimization. You will extend the MCP gateway to enable agentic integrations and enhance developer.walmart.com for intuitive developer experiences. Responsibilities include implementing best practices for resiliency and observability, partnering with product teams to ensure consistent API integration, and contributing to architectural roadmaps for scalable platforms. The ideal candidate has deep expertise in GraphQL, backend service design, and modern front-end frameworks like React/TypeScript, along with a strong focus on developer experience and cross-functional collaboration.

Skills

Java Rust NodeJS GraphQL Apollo Federation React TypeScript Kubernetes Docker CI/CD Prometheus Grafana PostgreSQL Redis OAuth JWT MCP Modal Context Protocol REST Swagger/OpenAPI Git Jenkins SonarQube

What you'll do

  • Design and build high-scale distributed services for the Marketplace API Gateway.
  • Lead development of mGQL gateway, including schema design and performance optimization.
  • Extend MCP gateway to enable agentic workflows within the Marketplace domain.
  • Own end-to-end lifecycle of backend services from design through monitoring.
  • Implement best practices for resiliency, observability, and fault isolation across platforms.

What we're looking for

  • Strong experience in designing and operating large-scale distributed systems.
  • Expertise in GraphQL, including schema design, federation, and performance optimization.
  • Proficiency in backend languages such as Node.js, Java, or Rust.
  • Hands-on experience with modern front-end frameworks like React/TypeScript.
  • Solid understanding of backend service reliability engineering and observability.
  • Experience building developer platforms and public APIs focusing on developer experience.
  • Ability to collaborate cross-functionally and influence architectural decisions.

Employer

About Walmart

Walmart Inc. is the world''s largest retailer by revenue, operating a chain of hypermarkets, discount department stores, and grocery stores, as well as a growing e-commerce presence through Walmart.com. Industry: General Merchandise & Grocery Retail

Walmart currently has 486 open roles on FindRole.

Listed pay typically runs $117,000–$234,000 across 480 roles with salary data.

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