(IND) SENIOR, SOFTWARE ENGINEER - Front End

Job Description Summary:

Responsible for coding, unit testing, building high performance and scalable applications that meet the needs of millions of Walmart-International customers, in the areas of supply chain management & Customer experience.

About Team:

Our team collaborates with Walmart International, which has over 5,900 retail units operating outside of the United States under 55 banners in 26 countries including Africa, Argentina, Canada, Central America, Chile, China, India, Japan, and Mexico, to name a few.

What you’ll do:

You are responsible for coding, unit testing, building high performance and scalable applications that meet the needs of millions of Walmart-International customers, in the areas of supply chain management & Customer experience.

You are expected to be more intellectually curious engineer who is passionate about domain/technology in general.

What you’ll bring:

JavaScript/TypeScript — Advanced proficiency in ES6+ features, TypeScript generics, type guards, utility types, and strict type safety

React.js — Deep expertise in hooks, context API, concurrent rendering, server components, and React 18+ features

Next.js — Server-side rendering (SSR), static site generation (SSG), incremental static regeneration (ISR), app router, and middleware

HTML5 & CSS3 — Semantic markup, accessibility (WCAG 2.1 AA), CSS Grid, Flexbox, and responsive design patterns

State Management — Experience with Redux Toolkit, Zustand, Recoil, or React Query for complex application state

Web Performance — Core Web Vitals optimization (LCP, FID, CLS), lazy loading, code splitting, and bundle optimization

AI Understanding — Prompt Engineering, GenAI Integration, AI-Assisted Dev, Responsible AI

Component Design — Building reusable, composable component libraries with atomic design principles

Design Systems — Experience building or consuming enterprise-scale design systems (e.g., Walmart’s Glass/Tempo)

Micro-Frontend Architecture — Module federation, single-spa, or similar patterns for large-scale frontend decomposition

API Integration — RESTful APIs, GraphQL (Apollo/Relay), and BFF (Backend-for-Frontend) patterns

Unit Testing — React Testing Library with 85%+ code coverage

E2E Testing — Cypress, Playwright, or Selenium for integration and end-to-end test automation

Visual Regression Testing — Storybook, Chromatic, or Percy for UI consistency validation

Accessibility Testing — Axe, Lighthouse, and screen reader testing for WCAG compliance

CI/CD Pipelines — Experience Jenkins for automated frontend builds and deployments

Containerization — Docker basics, WCNP/Kubernetes deployment for frontend services

Monitoring & Observability — Real User Monitoring (RUM), Splunk, NewRelic, or Dynatrace for frontend performance tracking

CDN & Caching — Akamai/CDN configuration, cache strategies, and edge delivery optimization

Node.js — Server-side JavaScript for SSR, API middleware, and build tooling

Cloud Platforms — Azure or GCP fundamentals for frontend service hosting and static asset delivery

System Design — Designing scalable frontend architectures handling high-traffic

Performance Budgeting — Setting and enforcing performance budgets for page load, TTI, and bundle size

Security — XSS prevention, CSP headers, CORS, secure cookie handling, and OWASP frontend best practices

SEO — Structured data, meta tags, canonical URLs, and crawlability optimization for e-commerce pages

Code Reviews — Conducting thorough, constructive code reviews with mentoring focus

Technical Documentation — Writing architecture decision records (ADRs), design docs, and API contracts

Cross-functional Collaboration — Partnering with UX designers, product managers, backend engineers, and QA

Mentorship — Guiding IN1/IN3 engineers on frontend best practices, patterns, and career growth

About Walmart Global Tech Imagine working in an environment where one line of code can make life easier for hundreds of millions of people. That’s what we do at Walmart Global Tech. We’re a team of software engineers, data scientists, cybersecurity expert’s and service professionals within the world’s leading retailer who make an epic impact and are at the forefront of the next retail disruption. People are why we innovate, and people power our innovations. We are …