PRINCIPAL, SOFTWARE ENGINEER - WFS
Walmart Global Tech India
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Job summary
Walmart Global Tech India is seeking a Principal Engineer for the Marketplace team within Growth Tech in Bengaluru. You will develop services to onboard millions of sellers, design systems, review architectures, and solve complex problems with distributed systems expertise and API design.
You will write production-grade code, drive end-to-end architecture, champion AI-forward approaches, and ensure platform reliability at scale.
Qualifications
- Option 1: Bachelor's degree in computer science, computer engineering, computer information systems, software engineering, or related area and 5 years’ experience in software engineering or related area.
- Option 2: 7 years’ experience in software engineering or related area.
- We value candidates with experience in building scalable, AI-enabled platforms and strong system design skills.
Responsibilities
- Lead end-to-end technical design for complex initiatives involving API contracts, UI interfaces and data models to distributed system topologies.
- Write production-grade code and deploy to production; ensure performance, reliability and scalability.
- Prototype AI-augmented solutions and drive them to production quality; conduct deep-dive code reviews to raise technical standards.
- Own the full software development lifecycle for initiatives: design, development, testing, deployment, observability.
Skills
Education
Tools
Job description
Principal Engineer is one of the most coveted technical IC titles at Walmart - and this role lives up to it. As a Principal Engineer on the Marketplace team within Growth Tech, you will be developing services that helps millions of sellers to onboard and do business with Walmart. You will write code, design systems, review architectures, and solve the problems that are complex. Your world-class expertise in distributed systems, API design, and platform engineering will be paired with a Al-forward mindset.
Principal Engineer is one of the most coveted technical IC titles at Walmart - and this role lives up to it. As a Principal Engineer on the Marketplace team within Growth Tech, you will be developing services that helps millions of sellers to onboard and do business with Walmart. You will write code, design systems, review architectures, and solve the problems that are complex. Your world-class expertise in distributed systems, API design, and platform engineering will be paired with a Al-forward mindset.
Walmart's Marketplace is the backbone of a thriving ecosystem connecting millions of third-party sellers to hundreds of millions of customers worldwide. As Principal Engineer, WFS, you will be responsible for building applications that enable the fulfilment for a Seller. You will be building application to enable sellers to engage on Walmart retail platform. This is a high-impact role sitting at the intersection of scale, commerce, and platform engineering. You will own the technical vision and execution for a portfolio of mission-critical, cross-cutting services that enables Seller to operate through Seller Center UI and APIs. You will build and grow a world-class engineering organization capable of delivering innovation at Walmart speed.
The Walmart Fulfilment Services team is essential to the Marketplace ecosystem, responsible for designing and scaling the global platform that supports the complete seller fulfilment within Walmart marketplace journey. The team develops robust global workflows, and complex multi-platform integrations connecting cloud microservices, seller portals, and AI-driven analytics. You will own Architecture, design, development and delivery of Seller journey, addressing distributed systems challenges, optimize APIs, and establish architectural standards to enable international marketplace growth.
- Lead end-to-end technical design for complex initiatives involving from API contracts, UI interfaces and data models to distributed system topologies and cross-cutting concerns.
- Author and review RFCs and architecture decision records (ADRs) that become the technical canon for the platform
- Write production-grade code and not prototypes or proof-of-concepts, test and deploy them to production
- Solve complex problems considering performance, reliability and scalability
- Prototype new solutions rapidly using Al-augmented development workflows and then drive them to production quality
- Conduct deep-dive code reviews that raise the technical bar of the team.
- Own the full software development lifecycle for your initiatives involving design, development, testing, deployment, observability
- Solve the hardest and complex problems and enable the team while doing so
- Lead technical investigations for P0/P1 incidents affecting platform services; own the root cause analysis and define permanent fixes
- Challenge technical assumptions early in the design process before they become expensive production mistakes
- Navigate ambiguity with confidence by breaking down underspecified problems into structured technical approaches and drive alignment across stakeholders
- Design for resilience from first principles. Define and own the platform's non-functional requirements
- Instrument systems to be deeply observable and use the signals to drive continuous improvement
- Build runbooks and operational playbooks that enable the broader team to operate the services confidently
This role is Al-forward by design and needs someone who actively shapes how it is used and pushes the frontier of what Al-augmented engineering looks like at scale.
- Proficient with GitHub Copilot, Wibey, and LLM-based tooling as active, daily parts of your development workflow
- Use Al to compress every phase of the engineering loop: schema design validation, code generation and review, test coverage acceleration, documentation, drafting, incident root-cause analysis, and API design feedback
- Identify where Al can replace toil, then build the automation yourself
- Architect and build Al-native capabilities like intelligent API health monitoring, Al-assisted seller onboarding flows, smart alerting and anomaly detection
- Evaluate and integrate Al/ML capabilities into services where they create measurable seller value
- Stay current on the fast-moving AI tooling landscape and bring high-signal, opinionated recommendations to the team
- Model Al-augmented engineering practices for the team through live demos, pairing sessions, and written guides
- Work with engineering leadership to identify and prioritize investments where Al creates the most leverage across teams
- Contribute to the broader Walmart engineering community's understanding of how to build and operate Al-augmented systems responsibly
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. This role is based in our Bangalore office for daily work, with the flexibility for associates to manage their personal lives
Beyond our great compensation package, you can receive incentive awards for your performance. Other great perks include a host of best-in-class benefits maternity and parental leave, PTO, health benefits, and much more.
We aim to create a culture where every associate feels valued for who they are, rooted in respect for the individual. Our goal is to foster a sense of belonging, to create opportunities for all our associates, customers and suppliers, and to be a Walmart for everyone. At Walmart, our vision is 'everyone included.' By fostering a workplace culture where everyone is—and feels—included, everyone wins. Our associates and customers reflect the makeup of all 19 countries where we operate. By making Walmart a welcoming place where all people feel like they belong, we’re able to engage associates, strengthen our business, improve our ability to serve customers, and support the communities where we operate.
Walmart, Inc., is an Equal Opportunities Employer – By Choice. We believe we are best equipped to help our associates, customers and the communities we serve live better when we really know them. That means understanding, respecting and valuing unique styles, experiences, identities, ideas and opinions – while being inclusive of all people.
- Option 1: Bachelor's degree in computer science, computer engineering, computer information systems, software engineering, or related area and 5 years’ experience in software engineering or related area.
- Option 2: 7 years’ experience in software engineering or related area.
- Master’s degree in computer science, computer engineering, computer information systems, software engineering, or related area and 3 years' experience in software engineering or related area., We value candidates with a background in creating inclusive digital experiences, demonstrating knowledge in implementing Web Content Accessibility Guidelines (WCAG) 2.2 AA standards, assistive technologies, and integrating digital accessibility seamlessly. The ideal candidate would have knowledge of accessibility best practices and join us as we continue to create accessible products and services following Walmart’s accessibility standards and guidelines for supporting an inclusive culture.
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