Walmart

Principal, Software Engineer

Walmart
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2 days ago
Bellevue, WA, USA or Sunnyvale, CA, USAStaff+
H1B sponsor

Base Salary

$132k - $286k/yr

Responsibilities

  • Drive the technical vision and end-to-end architecture for Marketplace Orders and Returns systems.
  • Design and scale event-driven, microservices-based platforms, APIs, webhooks, integrations, and web front-end applications.
  • Lead platform engineering initiatives that improve developer productivity, scalability, reusability, and modernization.
  • Solve complex distributed-systems challenges involving consistency, resiliency, latency, reliability, and performance.
  • Lead cross-team architecture decisions and influence teams across Marketplace, Payments, Fulfillment, and Seller Platform.
  • Partner with Product and Engineering leaders to translate business needs into scalable technical solutions.
  • Mentor senior engineers, lead design reviews, establish engineering best practices, and contribute hands-on to critical systems.

Requirements

  • At least five years of software engineering experience with a bachelor’s degree in a relevant field, or at least seven years of software engineering experience without the degree requirement.
  • Deep expertise in distributed systems, microservices, event-driven architectures, and cloud-native platforms.
  • Proficiency with Java and familiarity with React/Redux.
  • Experience designing and scaling APIs, webhooks, external integrations, and reusable platform systems.
  • Ability to drive architecture across teams, influence technical decisions, solve ambiguous problems, and mentor senior engineers.
  • Preferred qualifications include a relevant master’s degree with three years of experience and knowledge of WCAG 2.2 AA, assistive technologies, and digital accessibility best practices.

Benefits

  • Medical, vision, dental, 401(k), stock purchase, company-paid life insurance, disability coverage, company discounts, and performance-based bonus opportunities.
  • Paid time off and/or PPTO, sick leave, parental leave, family care leave, bereavement leave, jury duty, voting leave, and military leave pay.
  • Walmart-paid education benefits through Live Better U, including tuition, books, and fees for eligible programs from high school completion through bachelor’s degrees and certificates.
  • The position is based in Sunnyvale, California or Bellevue, Washington; benefits depend on job classification and length of employment.

Tech Stack

Walmart

About Walmart

10,000+ employees

Walmart is a global omnichannel retailer that sells groceries, general merchandise, and services through Walmart and Sam's Club stores and online marketplaces for consumers and small businesses. Its model spans physical retail, e-commerce, advertising, and a vast supply chain, plus pharmacy, health, and financial services. Founded in 1962 and headquartered in Bentonville, Arkansas, Walmart Inc. is a public company on the NYSE (WMT) operating in the U.S. and multiple international markets.

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