(USA) Staff, Software Engineer

Walmart•Sunnyvale, CA

3d•$132,000 - $286,000

About The Position

As a Staff Software Engineer, you will serve as a technical leader shaping the architecture, standards, and reliability of Walmart’s global eCommerce web platform. Imagine working in an environment where you can make life easier for hundreds of millions of people and put a smile on their face. That’s what we do at Walmart Global Tech. We’re a team of 15,000+ software engineers, data scientists, and service professionals within Walmart, the world’s largest retailer, delivering innovations that improve how our customers shop and empower our 2.2 million associates. At Walmart, we serve 265+ million customers weekly across stores and digital platforms in the U.S. and around the world. Our mission is simple: Save Money. Live Better. About the team: The Core Foundation Platform – Web team owns the engineering foundations that power Walmart.com and our international eCommerce platforms. We are responsible for: Core architecture and shared frameworks for a large multi-tenant, international monorepo application Platform standards, engineering guidelines, and architecture decision records (ADRs) Global reusable React components aligned to Living Design standards Performance engineering, site stability, and production resilience Developer tooling, lint rules, CI/CD integrations, and governance guardrails Technical enablement and onboarding for 150+ feature teams across the U.S., Mexico, Canada, Sam’s Club, Chile, South Africa, and beyond Our mission is to provide a scalable, stable, and high-performing web platform that empowers thousands of engineers to build safely and efficiently—without compromising customer experience, accessibility, or site reliability. What you'll do: Technical Leadership & Architecture Define and evolve front-end architecture for a large-scale Next.js, React, and Node.js ecosystem. Lead architectural decision-making and author ADRs that influence hundreds of engineers. Drive modernization initiatives including framework upgrades, dependency governance, and monorepo strategy. Ensure multi-tenant architecture supports international expansion and onboarding of new markets. Platform Engineering & Developer Experience Design and maintain shared frameworks, libraries, and reusable components used across 150+ teams. Establish guardrails (lint rules, CI policies, performance budgets) that enforce best practices at scale. Improve build systems, CI/CD workflows, and developer tooling to optimize productivity and code quality. Partner with DevOps and infrastructure teams on Kubernetes (k8s) scaling, reliability, and observability. Performance, Stability & Operational Excellence Own site performance strategy including Core Web Vitals, caching, logging, monitoring, and tuning. Prevent outages through proactive architecture reviews and resilience planning. Drive production readiness standards and operational playbooks. Analyze system bottlenecks and implement scalable solutions across the platform. Standards & Governance Define coding standards and engineering best practices across React, TypeScript, Node.js, and Next.js. Collaborate with Living Design to ensure ADA compliance and consistent design system implementation. Lead technical reviews across feature teams to maintain platform integrity. Reduce tech debt through structured improvement initiatives. Influence & Cross-Functional Collaboration Partner with Product, UX, Infrastructure, Security, and international teams to align on scalable solutions. Mentor senior engineers and influence technical direction without direct authority. Drive alignment across global stakeholders while balancing innovation and platform stability. Serve as a trusted advisor for complex cross-team architectural challenges

Requirements

Atleast 6 years of software engineering experience, with deep expertise in front-end architecture at scale.
Proven experience building and supporting high-traffic eCommerce or large-scale consumer platforms.
Expert knowledge of React, TypeScript, Node.js, and Next.js.
Strong understanding of monorepo strategies and multi-tenant application architecture.
Experience with performance optimization (Core Web Vitals, caching strategies, logging, monitoring).
Advanced understanding of system design, scalability patterns, and distributed systems fundamentals.
Experience leading cross-team architecture initiatives influencing large engineering organizations.
Strong DevOps knowledge including CI/CD, containerization, and Kubernetes.
Experience writing and enforcing engineering standards and governance policies.
Excellent communication skills with the ability to influence at scale.

Nice To Haves

Experience supporting internationalized, multi-market web platforms preferred
Experience implementing accessibility (ADA/WCAG) standards preferred
Background in platform engineering or developer productivity tooling preferred.
Experience mentoring senior engineers and driving org-level technical change preferred

Responsibilities

Technical Leadership & Architecture Define and evolve front-end architecture for a large-scale Next.js, React, and Node.js ecosystem.
Lead architectural decision-making and author ADRs that influence hundreds of engineers.
Drive modernization initiatives including framework upgrades, dependency governance, and monorepo strategy.
Ensure multi-tenant architecture supports international expansion and onboarding of new markets.
Platform Engineering & Developer Experience Design and maintain shared frameworks, libraries, and reusable components used across 150+ teams.
Establish guardrails (lint rules, CI policies, performance budgets) that enforce best practices at scale.
Improve build systems, CI/CD workflows, and developer tooling to optimize productivity and code quality.
Partner with DevOps and infrastructure teams on Kubernetes (k8s) scaling, reliability, and observability.
Performance, Stability & Operational Excellence Own site performance strategy including Core Web Vitals, caching, logging, monitoring, and tuning.
Prevent outages through proactive architecture reviews and resilience planning.
Drive production readiness standards and operational playbooks.
Analyze system bottlenecks and implement scalable solutions across the platform.
Standards & Governance Define coding standards and engineering best practices across React, TypeScript, Node.js, and Next.js.
Collaborate with Living Design to ensure ADA compliance and consistent design system implementation.
Lead technical reviews across feature teams to maintain platform integrity.
Reduce tech debt through structured improvement initiatives.
Influence & Cross-Functional Collaboration Partner with Product, UX, Infrastructure, Security, and international teams to align on scalable solutions.
Mentor senior engineers and influence technical direction without direct authority.
Drive alignment across global stakeholders while balancing innovation and platform stability.
Serve as a trusted advisor for complex cross-team architectural challenges

Benefits

Beyond competitive pay, you can receive incentive awards for your performance.
Other great benefits include a 401(k) match, stock purchase plan, paid maternity and parental leave, PTO, multiple health plans, flexible working hours, and more.
We are reimagining the tech workplace by making a permanent transition to virtual work for most of our team.
Well collaborate in person at a regular cadence and with purpose.
Health benefits include medical, vision and dental coverage.
Financial benefits include 401(k), stock purchase and company-paid life insurance.
Paid time off benefits include PTO (including sick leave), parental leave, family care leave, bereavement, jury duty, and voting.
Other benefits include short-term and long-term disability, company discounts, Military Leave Pay, adoption and surrogacy expense reimbursement, and more.
You will also receive PTO and/or PPTO that can be used for vacation, sick leave, holidays, or other purposes.
Live Better U is a Walmart-paid education benefit program for full-time and part-time associates in Walmart and Sam's Club facilities.
Programs range from high school completion to bachelor's degrees, including English Language Learning and short-form certificates.
Tuition, books, and fees are completely paid for by Walmart.