Position Summary...As a Principal Engineer specializing in Identity and Access Management at Walmart, you will lead the design, development, and implementation of service registry and service mesh components. Service registry is the central registry component for Walmart and is being enhanced to support agentic AI flows. You will collaborate with cross-functional teams to set technical direction, ensure best engineering practices, and mentor engineers across the organization. Your expertise will guide the development of robust, secure, and high-performance systems, while fostering a culture of continuous improvement and technical excellence. You will play a key role in shaping Walmart’s technology strategy, influencing product roadmaps, and ensuring the successful execution of complex projects that impact millions of customers and associates.

What you'll do...

About the team

Run Time Platforms (RTP), a division of Global Technology Platform (GTP), is dedicated to developing products and platforms that empower application teams to efficiently deploy and manage runtime environments. This position focuses on our proprietary service registry application core, in-house solution. The Service Registry acts as a central registry for Walmart for all the applications.

What You’ll Do

Design and implement new features while continuously improving quality of Service Registry application

Build, test and deploy cutting edge solutions at scale, impacting associates of Walmart worldwide

Designs reusable strategies, decisions, service components, libraries and frameworks to support enterprise-level services.

Develop software meeting code quality standards and metrics

Guide and mentor others members in the team to promote highly technical and self-sufficient teams

Create and maintain technical documentation for the team to reference and share with our internal customers

Ensures the maintenance, patching, operating, and monitoring of systems.

Troubleshoots and resolves system incidents, problems and changes, as required

Engage and support application teams integrating with Service registry

Seeking and maintaining knowledge (cross/up skill) of current and upcoming identity security technologies.

What You’ll bring

Deep understanding of designing, building, and maintaining microservices-based systems.

Experience with RESTful APIs, gRPC, and API documentation (e.g., Swagger/OpenAPI).

Hands-on experience with Docker and container orchestration platforms like Kubernetes.

Familiarity with deploying and managing microservices on cloud providers (AWS, Azure, GCP).

Understanding of messaging systems (e.g., Kafka, RabbitMQ, AWS SNS/SQS).

Strong expertise in Java/J2EE/Spring technologies

Skills in monitoring, logging, and tracing (e.g., Prometheus, Grafana, ELK Stack, Jaeger).

 Implementing authentication, authorization, and secure communication between services.

Experience working with NoSQL databases like Cosmos DB, Cassandra, MongoDB

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 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.

Equal Opportunity Employer:
Walmart, Inc. is an Equal Opportunity 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 diversity- 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...G, 1, 3, 4, 5 Floor, Building 11, Sez, Cessna Business Park, Kadubeesanahalli Village, Varthur Hobli , India