Principal Software Engineer

Fifty years ago, Sam Walton started a single mom-and-pop shop and transformed it into the world's biggest retailer. Since those founding days, one thing has remained consistent: our commitment to helping our customers save money so they can live better. Today, we're reinventing the shopping experience and our associates are at the heart of it. You'll play a crucial role in shaping the future of retail, improving millions of lives around the world. This is that place where your passions meet purpose. Join our family and create a career you're proud of.

Are you ready to build the future of eCommerce with one of the world's largest retailers?

Walmart is growing our Marketplace Platform Engineering team and is looking for an experienced Principal Software Engineer to help shape the technology powering millions of customers and thousands of third-party sellers. If you're passionate about building scalable platforms, solving complex technical challenges, and mentoring engineering teams, we'd love to hear from you!

As a Principal Software Engineer, you'll play a key role in designing, developing, and maintaining the Walmart Marketplace Platform, driving innovation through modern cloud-native technologies while collaborating with product, UX, and engineering teams to deliver world-class solutions.

What You'll Do

• Design and build scalable, high-performance applications using Java, React, and TypeScript.
• Architect and develop microservices and RESTful APIs for Walmart Marketplace.
• Lead technical design discussions and drive architectural decisions for distributed systems.
• Perform hands-on coding, code reviews, debugging, testing, and performance optimization.
• Mentor software engineers and promote engineering best practices across the team.
• Collaborate with Product Managers, UX/UI designers, and cross-functional engineering teams.
• Maintain application health through monitoring, troubleshooting, and continuous improvements.
• Build and enhance developer platforms, frameworks, and shared engineering tools.
• Leverage cloud-native technologies, CI/CD pipelines, Docker, and Kubernetes to deliver reliable solutions.
• Champion innovation and contribute to the continuous evolution of Walmart's Marketplace Platform.

Bachelor's degree in Computer Science, Computer Engineering, Software Engineering, Computer Information Systems, or a related field and 5+ years of software engineering experience, OR

7+ years of software engineering experience in lieu of a degree.

Preferred Qualifications

We're looking for candidates with experience in:

• Java
• React.js
• TypeScript
• Microservices Architecture
• Distributed Systems
• RESTful API Development
• System Design
• Git and CI/CD Pipelines
• SQL and NoSQL Databases
• Docker and Kubernetes
• Google Cloud Platform (GCP) or Microsoft Azure
• Platform Engineering or Shared Developer Tools
• Technical Leadership and Mentoring
• Application Performance Optimization
• E-commerce or Marketplace Platforms (preferred)

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, abilities, ideas and opinions- while being inclusive of all people.