Principal, Software Engineer

Position Summary...As a Principal Software Engineer on the Walmart+ Membership team, you will operate as a senior individual contributor and technical authority. You will lead the technical direction for complex, cross-functional initiatives; make architecture and design decisions that scale across products and geographies; and raise the bar for software quality, operational excellence, and engineering productivity.
You will combine strategic thinking with hands-on technical depth. From discovery and architecture through implementation, production operations, and continuous improvement, you will influence engineering outcomes across the organization while remaining close to the code, systems, and customer problems we solve.
 

What you'll do...

About The team

Walmart+ Membership’s mission is to build a best-in-class retail membership program that delivers unparalleled value, convenience, and savings to our customers. As one of Walmart’s strategic growth pillars, Walmart+ integrates benefits across delivery, fuel, streaming services, and other experiences to deepen customer engagement and drive long-term loyalty.

Our team is focused on continuously evolving the membership experience through innovation, personalization, and seamless omnichannel integration. We build and operate platforms that support membership acquisition, enrollment, benefits, eligibility, billing-related experiences, engagement, retention, and partner integrations at Walmart scale.

As a Principal Software Engineer on the W+ team, you will work on high-impact initiatives that shape the future of customer loyalty at Walmart. You will help define technical strategy, guide architecture across teams, and deliver resilient, customer-centric solutions that serve millions of customers and associates.

 

What You’ll Do

• Serve as a hands-on technical authority and trusted advisor for Walmart+ engineering teams, influencing architecture and implementation across multiple products and services.
• Lead the discovery, technical strategy, and solution design for complex initiatives spanning membership, customer engagement, benefits, personalization, and omnichannel experiences.
• Define and evolve scalable, resilient, and secure architectures for distributed systems, microservices, and event-driven platforms.
• Translate business objectives and customer needs into pragmatic technical strategies, roadmaps, milestones, and measurable engineering outcomes.
• Drive architecture decisions that balance customer value, quality, cost, delivery timelines, maintainability, and long-term platform evolution.
• Design and review systems using Java, Spring Boot, Node.js, Kafka, NoSQL databases, cloud-native technologies, and related platform capabilities.
• Lead design reviews, technical deep dives, code reviews, and architecture discussions, ensuring solutions meet Walmart engineering, security, privacy, accessibility, and operational standards.
• Establish and promote coding standards, design patterns, testing strategies, observability practices, and secure software development principles.
• Stay hands-on by contributing to critical code, prototypes, proof-of-concepts, technical spikes, and production problem resolution.
• Ensure services are built for reliability through effective telemetry, monitoring, alerting, capacity planning, performance engineering, disaster recovery, and operational readiness.
• Drive engineering excellence through automation, CI/CD, DevOps practices, continuous delivery, and improvements to developer productivity.
• Partner closely with Product Management, UX/UI, Quality Engineering, Site Reliability Engineering, DevOps, Security, Data, and Architecture teams.
• Communicate complex technical concepts clearly to engineers, architects, product leaders, business stakeholders, and senior leadership.
• Create clear technical documentation, architecture decision records, diagrams, presentations, and implementation guidance.
• Mentor senior engineers and technical leads, foster a culture of learning and innovation, and help grow the organization’s technical capabilities.
• Influence technical standards and reusable patterns across Walmart+ and the broader Walmart Global Tech community.
• Conduct research and evaluate emerging technologies, including agentic AI use cases, to identify opportunities that improve customer experiences, engineering effectiveness, and platform scalability.
• Participate in hiring, technical assessments, hackathons, demo days, architecture forums, and other activities that strengthen the engineering community.
• Provide technical leadership during production incidents, debugging complex distributed-system issues and driving durable corrective actions.

 

What You’ll Bring

• Bachelor’s or Master’s degree in Computer Science, Computer Engineering, Software Engineering, Computer Information Systems, or a related field, or equivalent practical experience.
• Typically 15+ years of experience in software engineering, with a strong focus on building and operating large-scale distributed systems.
• Demonstrated experience as a Principal Engineer, Staff Engineer, Lead Engineer, Architect, or equivalent technical leadership role.
• Extensive hands-on experience designing, developing, and delivering software products and platforms with a large user base.
• Advanced knowledge of software design, distributed systems, microservices architecture, event-driven architecture, design patterns, data structures, algorithms, and performance engineering.
• Strong hands-on experience with Java and Spring Boot; experience with Node.js and JavaScript/TypeScript is highly desirable.
• Deep experience with Kafka or comparable event-streaming technologies, including topic design, partitioning, consumer groups, delivery semantics, replay, schema evolution, and operational troubleshooting.
• Experience with NoSQL databases and an understanding of data modeling, consistency, availability, partitioning, replication, and scalability trade-offs.
• Experience building cloud-native services on public cloud platforms such as Microsoft Azure or Google Cloud Platform.
• Strong understanding of DevOps and CI/CD practices, Git, Maven or comparable build tools, automated testing, release management, and infrastructure automation.
• Experience with containerized platforms and technologies such as Docker, Kubernetes, and Helm.
• Excellent debugging, performance analysis, production support, and incident-management skills.
• Experience with observability and operational tools such as Prometheus, Grafana, Splunk, distributed tracing, structured logging, and service-level indicators.
• Proven ability to influence without direct authority and align multiple teams around a technical direction.
• Excellent written and verbal communication skills, with the ability to explain complex concepts to both technical and non-technical audiences.
• Strong decision-making skills and the ability to balance competing priorities in a complex, fast-paced environment.
• Experience working with global, geographically distributed teams and products.
• Exposure to agentic AI, generative AI, or intelligent automation use cases in software engineering or customer-facing products is desirable.
• Risk analysis and trade-off methodologies, including cost analysis, business objectives, requirement classification, domain knowledge, user stories, and functional/non-functional requirements.
• Coding standards, secure coding practices, software design principles, and development guidelines.
• Programming languages and frameworks such as Java, JavaScript/TypeScript, Spring Boot, and Node.js.
• Platforms and infrastructure such as Microsoft Azure, Google Cloud Platform, Kubernetes, Docker, and Helm.
• Quality, safety, privacy, and security standards, including PCI and other applicable compliance requirements.
• Telemetry, observability, service health, capacity management, and operational readiness.
• CI/CD, code management tools, automated testing, release practices, and the software development lifecycle.
• Secure Software Development Lifecycle frameworks, tools, and controls.
• Accessibility and inclusive product-development principles, including awareness of WCAG 2.2 AA and accessible digital experiences.

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.

Work

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/Chennai] office for daily work, with the flexibility for associates to manage their personal lives.

Benefits

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.

Belonging

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.

Equal Opportunity Employer

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

Minimum Qualifications...

Outlined below are the required minimum qualifications for this position. If none are listed, there are no minimum 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.

Preferred Qualifications...

Outlined below are the optional preferred qualifications for this position. If none are listed, there are no preferred qualifications.

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.

Primary Location...Block- 1, Prestige Tech Pacific Park, Sy No. 38/1, Outer Ring Rd Kadubeesanahalli , India