Software Engineer III

Position Summary...

As a Software Engineer III at Walmart, you will design, build, and maintain full-stack applications that power retail and eCommerce experiences for millions of customers.

Working within the Walmart Business Tech team in Chennai, you will contribute to both the front-end (Next.js / React.js) and back-end (Java / Spring Boot) layers of critical platforms, collaborating with product, design, and engineering teams across the globe to deliver high-quality, scalable software.

What you'll do...

About Team This is the team which builds reusable technologies that aid in acquiring customers, onboarding and empowering merchants besides ensuring a seamless experience for both these stakeholders.

They also optimize tariffs and assortment, adhering to the Walmart philosophy - Everyday Low Cost.

In addition to ushering in affordability, they also create personalized experiences for customers the omnichannel way, across all channels - in-store, on the mobile app and websites.

Our team is responsible for design, development, and operations of large-scale consumer facing applications.

We focus on real-time transactions, user experience flows, streaming analytics across web and native apps.

We interact with multiple teams across the company to provide scalable robust technical solutions.

What You'll Do Design and develop full-stack features across front-end (Next.js, React.js, TypeScript) and back-end (Java, Spring Boot, Spring WebFlux) layers, ensuring performance, scalability, and maintainability.

Build and maintain RESTful APIs and event-driven services using Kafka, integrating with downstream microservices, SQL/NoSQL databases, and third-party platforms.

Implement responsive, accessible UI components following design system standards, translating designs into production-ready interfaces with JavaScript and TypeScript.

Write clean, well-tested code with unit, integration, and E2E test coverage; participate in peer code reviews to uphold engineering standards.

Collaborate with product managers, UX designers, and QE engineers in Agile/Scrum ceremonies to deliver features iteratively.

Build, test, and deploy services via CI/CD pipelines on GCP and Azure cloud infrastructure.

Work with SQL and NoSQL databases for data modeling, query optimization, and application integration.

Deploy and operate containerized workloads using Kubernetes on GCP / Azure.

Debug and resolve production issues; participate in on-call rotations and contribute to post-incident RCAs.

Proactively identify technical debt and drive improvements in system reliability and developer experience.

Contribute to platform modernization, API-first initiatives, and migration of legacy systems to cloud-native architectures.

Leverage AI-powered developer tooling — code generation, automated testing, and intelligent code review assistants — to accelerate delivery.

Collaborate with ML and data teams to integrate AI/ML-driven features (personalization, recommendations, intelligent search) into production applications.

Evaluate and adopt emerging AI/LLM capabilities to improve user experience and platform efficiency.

What You'll Bring 3–6 years of hands-on software engineering experience in full-stack development.

Strong proficiency in Next.js and React.js — SSR, SSG, App Router, state management (Redux/Zustand/Context), and performance optimization.

Solid JavaScript and TypeScript skills — typing patterns, generics, async/await, and module systems.

Solid back-end engineering in Java with Spring Boot and Spring WebFlux — REST API design, reactive patterns, dependency injection, and microservices.

Experience building and consuming event-driven systems using Kafka or equivalent messaging platforms.

Working knowledge of SQL (PostgreSQL, MySQL) and NoSQL (Redis, MongoDB, Cassandra) databases.

Hands-on experience deploying containerized services with Kubernetes on GCP or Azure.

Understanding of CI/CD concepts and tooling (GitHub Actions, Jenkins, or equivalent).

Strong problem-solving skills and attention to code quality — TDD, SOLID principles, and clean architecture.

Familiarity with AI/ML integration patterns and hands-on use of AI-assisted development tools in day-to-day engineering.

Preferred Qualifications Experience building eCommerce or retail platforms at scale — product catalog, cart, checkout, health/wellness, or optical verticals.

Exposure to micro-frontend architecture and module federation in large-scale Next.js applications.

Familiarity with observability tooling — distributed tracing, logging (Splunk/ELK), and metrics (Prometheus/Grafana).

Hands-on experience integrating AI/ML-powered features — recommendation engines, LLM APIs (OpenAI, Claude, Vertex AI), or GenAI-assisted UX.

Contributions to open-source projects or internal engineering libraries.

Experience mentoring junior engineers and leading technical design discussions.

Cloud certification (GCP Associate / Azure Developer).

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 people-led and tech-empowered.

We train our team in the skillsets of the future and bring in experts like you to help us grow.

We have roles for those chasing their first opportunity as well as those looking for the opportunity that will define their career.

Here, you can kickstart a great career in tech, gain new skills and experience for virtually every industry, or leverage your expertise to innovate at scale, impact millions and reimagine the future of retail.

Walmart’s culture sets us apart, and we know being together helps us innovate, learn and grow great careers.

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