(IND) STAFF, SOFTWARE ENGINEER

Our Advertising Technology team is building an end to end advertising platform that is key to Walmart’s overall growth strategy. We use cutting edge machine learning, data mining and optimization algorithms to ingest, model and analyse Walmart’s proprietary online and in-store data, encompassing 95% of American households. Importantly, we build smart data systems that deliver relevant retail ads and experiences that connect our customers with the brands and products they love.

Lead the design and development of scalable, reliable, and high-performing software systems that meet the needs of customers, advertisers, and the business.

Drive architecture and technical strategy for complex engineering initiatives, making sound design decisions across services, data pipelines, APIs, and platform components.

Collaborate with product managers, architects, data scientists, and engineering leaders to translate business goals into scalable technical solutions.

Mentor and guide engineers through design reviews, code reviews, best practices, and technical problem-solving to raise engineering quality across the team.

Improve system performance, availability, observability, security, and operational excellence for mission-critical platforms.

Identify opportunities to simplify architecture, automate manual processes, reduce technical debt, and improve developer productivity.

Troubleshoot complex production issues, perform root-cause analysis, and implement long-term corrective actions for resilient platform operations.

Champion secure software engineering practices and ensure systems are designed to protect customer, advertiser, and business data.

Bachelor’s or Master’s degree in Computer Science, Engineering, or a related technical field.

Minimum 8+ years of software engineering experience, including strong object-oriented programming expertise in Java or similar backend technologies.

5+ years of experience designing and building large-scale distributed systems, backend services, or data-intensive platforms.

Strong experience with system design, data structures, algorithms, concurrency, performance optimization, and distributed computing fundamentals.

Hands-on experience with big data or streaming technologies such as Spark, Kafka, Cassandra, Hadoop, Hive, Presto, or Airflow.

Additional Qualifications:

Proven ability to provide technical leadership, influence architecture decisions, and drive alignment across multiple teams or stakeholders.

Experience building scalable and fault-tolerant platforms with strong focus on reliability, observability, security, and operational excellence.

Exposure to cloud infrastructure and containerized environments such as Azure, GCP, AWS, OpenStack, Kubernetes, or similar platforms.

Experience in AdTech, retail media, advertising platforms, search, recommendation systems, information retrieval, statistics, or machine learning is a plus.

Strong communication skills with the ability to explain complex technical concepts to engineering, product, and leadership audiences.

A continuous drive to explore, improve, automate, and optimize systems, tools, and engineering practices.

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

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