Walmart is a multi-national, people-led, tech-powered omnichannel retailer with over 2.2M associates. At People Support Tech, EBS, we help support and empower Walmart’s HR function with AI and GenAI solutions to improve productivity, well-being, and a culture of belonging for all associates. Our team is responsible for transforming the People Help Center experience used by 2.2M associates across voice and chat channels.
The vision is to deliver a radically efficient, deeply empathetic People Services experience where associates get what they need the first time—with clarity, speed, and minimal effort. By leveraging AI, the system anticipates and resolves associates’ queries on HR functions such as Benefits and Payroll before they require human intervention. Human agents are further empowered with context, judgment support, and automation to deliver faster, more accurate assistance while focusing on meaningful interactions.
Our team is seeking a highly skilled and experienced Staff Software Engineer, Backend. In this hands-on individual contributor role, you will act as a senior technical leader within the team, driving the design and development of highly performant, scalable backend systems that power user-facing web and conversational experiences. You bring deep hands-on expertise in Java and backend technologies, strong judgment in system design and reliability, and a passion for building systems that create meaningful customer impact. You will lead complex backend initiatives, influence architectural decisions, and raise engineering standards through high-quality code, design reviews, and mentorship, while collaborating closely with cross-functional partners.
This is a critical role with significant growth opportunities. From day one, you will be trusted to deliver impactful technical outcomes aligned with organizational goals. Key responsibilities include, but are not limited to:
Lead the design and development of scalable, distributed backend systems that support AI-driven, high-traffic web and conversational applications
Design and build backend platforms and APIs using Java, Node.js (TypeScript), and Python that integrate with GenAI and ML services in a secure, reliable, and cost-efficient manner
Design, build, and operate real-time conversational and search platforms, including chatbot and virtual assistant systems, integrating rule-based logic, ML/GenAI services, and backend orchestration in production
Define and evolve service boundaries, contracts, and data flows across microservices, event-driven systems, and data-intensive workflows
Partner closely with machine learning engineers, applied researchers, and data scientists to productionize AI/GenAI capabilities with strong integration patterns, observability, and operational discipline
Lead complex technical initiatives end-to-end, contributing to design decisions, trade-off analysis, implementation, rollout, and long-term system evolution
Set and uphold backend engineering standards for code quality, performance, security, resiliency, and operational readiness through design and code reviews
Drive improvements in reliability, scalability, and performance, applying best practices in caching, concurrency, fault tolerance, rate limiting, and capacity planning
Establish and enhance observability practices, including logging, metrics, tracing, and alerting, to ensure systems are debuggable and resilient in production
Mentor and guide engineers across levels, providing technical feedback and architectural coaching while remaining deeply hands-on
Collaborate with product, design, and business stakeholders to translate complex requirements into robust backend solutions aligned with platform and product strategy
Support production operations, including on-call participation, incident analysis, and implementation of systemic fixes
Evaluate and adopt backend and AI platform technologies pragmatically to improve system capabilities and developer productivity
What you’ll bring
9+ years of professional software engineering experience, with a strong focus on building and operating large-scale backend and platform systems in production environments
Expert-level backend development experience in one or more of the following: Java/Spring Boot, Node.js/TypeScript, and Python
Proven experience designing distributed systems, including microservices, event-driven architectures, asynchronous processing, and data-intensive workflows
Experience building and scaling real-time systems, such as conversational platforms, chatbots, search, or decision-support applications in production
Strong understanding of real-time system constraints, including latency budgets, rate limiting, fault tolerance, and reliability under variable or bursty load
Strong API design expertise, including REST and/or gRPC, service contracts, backward compatibility, and integration patterns
Hands-on experience integrating AI/ML and GenAI services into backend systems, with an understanding of inference workflows, latency considerations, orchestration, and cost controls
Deep understanding of scalability, performance, and reliability engineering, including caching strategies, concurrency control, and capacity planning
Experience with data storage and retrieval systems, including relational and NoSQL databases, search engines, and object storage
Strong grounding in security fundamentals, including authentication, authorization, data protection, and secure API design
Experience building production-grade observability, including structured logging, metrics, tracing, and alerting
Demonstrated technical leadership, including leading design discussions, mentoring engineers, and influencing technical direction within teams
Operational excellence mindset, with experience supporting production systems, participating in on-call rotations, and driving post-incident improvements
Strong collaboration and communication skills, with the ability to work effectively across engineering, product, and ML teams
A strong sense of ownership and craftsmanship, with a bias toward automation, continuous improvement, and high engineering standards
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. 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.
Minimum Qualifications:Option 1: Bachelor's degree in computer science, computer engineering, computer information systems, software engineering, or related area and 4 years’ experience in software engineering or related area.Option 2: 6 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 2 years' experience in software engineering or related areaPrimary Location...Pardhanani Wilshire Ii, Cessna Business Park, Kadubeesanahalli Village, Varthur Hobli , India