(IND) SENIOR, SOFTWARE ENGINEER

Position Summary...The UGC – Ratings & Reviews team at Walmart Global Tech is responsible for building and operating the large-scale platform that powers customer ratings and reviews across Walmart’s web and mobile experiences. The role involves designing, developing, and maintaining scalable, cloud-native backend services and APIs, owning features end-to-end from design through production support, and ensuring high performance, reliability, and security. Engineers work with modern technologies such as Golang, Java Spring Boot, Kubernetes, Azure/GCP, Kafka, Cosmos/Cassandra, BigQuery, and Elasticsearch while driving operational excellence through automation, monitoring, and incident management. The position requires close collaboration with Product, Business, and Engineering teams across the U.S. and India to deliver high-quality solutions that improve customer trust, engagement, and the overall eCommerce experience at Walmart scale.

What you'll do...

About the team

UGC – Ratings & Reviews (Walmart eCommerce) 

The User-Generated Content (UGC) – Ratings & Reviews team at Walmart eCommerce builds and operates the platform that collects, moderates, stores, and serves customer content—especially product ratings and written reviews—across Walmart’s web and mobile experiences.

What the team owns

Ratings & Reviews services & APIs: ingestion, validation, storage, retrieval, and delivery to web/mobile clients

• Customer experience integration: review modules on product pages, search/browse surfaces, and post-purchase journeys

• Scale & reliability: high traffic and large data volume with strong SLAs, low latency, and high availability

• Trust & quality: spam/fraud reduction, content policy enforcement, and moderation workflows (rules + ML/automation)

• Data & insights: pipelines and storage for analytics, reporting, and experimentation to improve conversion and trust

• Operational excellence: monitoring, alerting, incident response, automation, and continuous performance tuning

Why it matters

Ratings & Reviews directly impact customer trust, conversion, and product discoverability. At Walmart scale, even small gains in latency, uptime, and content quality can drive significant customer and business outcomes.

How the team works

• Cross-functional: partners with Product, Program, Business, and Engineering teams across the U.S. and India

• Cloud-native & distributed: microservices-based systems using streaming, search, NoSQL, and strong observability

• Outcome-driven: focuses on measurable metrics such as content freshness, API latency, uptime, moderation accuracy, MTTD/MTTR, and SLAs

What You’ll Do 

Technical Ownership & Delivery

• Design, build, and maintain backend services and APIs for the Ratings & Reviews (UGC) platform

• Own features end-to-end: requirements → design → implementation → testing → deployment → production support

• Contribute to system design for high throughput, low latency, and high availability

Technical Strategy & Collaboration

• Influence the technical roadmap via proposals, design reviews, and identifying scalability/reliability gaps

• Work with cloud-native technologies including Azure/GCP, Kubernetes, Golang, Java Spring Boot, Kafka, Cosmos/Cassandra/BigQuery, Elasticsearch, Apache Spark, REST APIs, and (as needed) Python/Node.js

• Collaborate with cross-functional teams across Product, Business, Program, and Engineering in the U.S. and India

Operational Excellence & Continuous Improvement

• Drive operational excellence through strong monitoring, alerting, automation, and incident management

• Troubleshoot production issues, perform root-cause analysis, and implement long-term fixes

• Improve reliability metrics (MTTD, MTTR, SLAs) and optimize performance/cost where applicable

• Advocate and implement best practices in security, resilience, CI/CD, testing, and developer productivity

What You’ll bring 

Required Skills & Experience

• Strong software engineering experience building scalable, cloud-native, distributed systems

• Expertise in backend development and API design (Golang, Java Spring Boot)

• Experience with Azure/GCP and Kubernetes deployments

• Hands-on experience with Kafka, large-scale datastores (Cosmos/Cassandra/BigQuery), and Elasticsearch

• Familiarity with Apache Spark and modern engineering practices (CI/CD, automation, secure SDLC)

• Proficiency with observability and incident tooling (OpenObserver/Splunk, Grafana, Kibana, Prometheus, PagerDuty/XMatters, ServiceNow)

• Strong debugging, problem-solving, and performance tuning skills

• Excellent communication and stakeholder collaboration

• Proven ability to mentor peers and raise engineering quality without formal people management

• Experience adopting AI developer tools (e.g., Cursor, Copilot, qodo-merge) to improve velocity and code quality

Preferred Qualifications

• Master’s degree in computer science/software engineering (or related field)

• Experience in eCommerce/marketplaces or other large-scale consumer platforms

• Exposure to frontend/mobile stacks (React/Next.js, iOS Swift, Android Kotlin) is a plus for end-to-end delivery

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.

Option 1: Bachelor'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.
Option 2: 5 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, information technology, engineering, information systems, cybersecurity, or related area and 1 year’s experience leading information security or cybersecurity projects, 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.

Information Technology - CISCO Certification - CertificationPrimary Location...Block- 1, Prestige Tech Pacific Park, Sy No. 38/1, Outer Ring Rd Kadubeesanahalli , India