(USA) Staff, Software Engineer

Staff Software Engineer - Marketplace Platform Engineering

Position Summary

We are seeking a Staff Software Engineer to join our Marketplace Platform Engineering group. As a Staff Software Engineer, you will provide deep technical leadership across high-impact platform initiatives that power multiple Marketplace verticals. You will architect and develop foundational capabilities, guide engineering excellence, and ensure our platform is scalable, secure, and built for broad adoption across Walmart Marketplace.

About Walmart Marketplace

The Local Marketplace Initiative is a strategic priority for Walmart, aiming to expand our platform to connect local sellers and customers, enhance assortment, and drive community engagement. To ensure the success of this initiative, it is critical to have a dedicated End-to-End Architect who can provide holistic technical leadership across all phases of the program.

What Youll Do

• Drive technical vision and platform strategy by setting architectural standards, influencing cross-organ engineering decisions, and accelerating adoption of best-in-class engineering practices across Marketplace.
• Lead and contribute hands-on to large-scale, cross-functional platform projects, reviewing requirements, designing end-to-end technical solutions, developing high-quality code, and ensuring completeness through robust unit and integration testing.
• Lead the design of GenAI and agentic platform capabilities, building reusable RAG pipelines, autonomous task agents, and secure model-serving patterns that power intelligent workflows across Marketplace.
• Standardize and expand Model Context Protocol (MCP) integration, creating unified APIs, SDKs, and adapters that enable consistent, context-rich AI interactions and accelerate adoption across teams.
• Drive Marketplace's AI-first platform strategy by evaluating emerging LLM, vector search, and agent frameworks, building POCs, and maturing them into enterprise-ready platform components.
• Design and evolve common messaging and seller communication services, creating reusable, event-driven communication capabilities that power notifications, alerts, and cross-channel interactions across Marketplace teams.
• Design and enhance the Marketplace API Gateway and context-building framework, ensuring performant request routing, consistent observability, standardized context propagation, and high reliability across internal and external API consumers.
• Develop highly scalable microservices and distributed systems capable of processing millions of requests per day with sub-second latencies, leveraging JVM (Kotlin, Java) and other backend technologies (Java, J2EE, Kafka).
• Troubleshoot and resolve production issues across complex systems, performing root-cause analyses, coordinating with partner teams, and driving permanent fixes to improve reliability and reduce operational burden.
• Provide technical guidance and mentorship across teams, helping engineers adopt platform capabilities, solve complex systems problems, and deliver high-quality Marketplace experiences.
• Collaborate closely with product, program, UX, and cross-functional engineering groups during discovery and design phases to create platform solutions that are intuitive, extensible, and aligned with long-term Marketplace goals.
• Influence cloud architecture and cost-optimized design patterns, working across GCP/Azure environments to ensure services are scalable, resilient, and aligned with enterprise cloud governance.
• Champion CI/CD best practices, automated testing, observability, and continuous deployment to improve engineering velocity and operational excellence.
• Drive initiatives that improve performance, scalability, and system architecture, with a proactive focus on reducing technical debt and enabling future innovation.

What Youll Bring

• At least 6 years of experience in the design and development of highly scalable distributed applications and platforms - particularly for multi-tenant, SaaS products.
• Experience building a Code, Deploy, run pipeline using DevOps best practices by leveraging the best available CI/CD tools.
• Strong computer science fundamentals: data structures, algorithms, and design patterns.
• Own Tech Debt/Tech Modernization - Ability to balance the long-term "big picture" and short-term implications of design decisions.
• Experience with Java/J2EE, Microservices, and Cloud Native Architecture.
• Experience in Microservices, and RESTful web services development in Java Spring Boot, Spring Kafka, or equivalent framework.
• Good knowledge of messaging systems: Kafka / RabbitMQ.
• In-depth knowledge of Cloud Native Architecture, Microservice Architecture, and related stacks (Service Registry, ELK / Splunk, service registry, VMs, etc.) And container technologies (Docker, Kubernetes, etc.).
• Knowledge of at least one of Azure/Google Cloud Platforms.
• Self-starter with the ability to multitask across several priority areas in the face of fuzzy situations.
• Demonstrated end-to-end ownership for the development and design of at least one cloud-based project.
• Strong hands-on development skills to prototype technical solutions.
• Strong desire to drive change, and ability to adapt to change quickly.
• Proficient in new and emerging technologies.
• Exceptional communication and interpersonal skills - including negotiation, facilitation, and consensus-building skills; ability to influence and persuade, without direct control.
• Focus on reusability, frameworks, patterns, and configuration tools for faster development.
• Practitioner of Agile (Scrum) methodology.

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 are a team of software engineers, data scientists, cybersecurity experts, 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.

Benefits and Perks

• Competitive pay
• Incentive awards for performance
• 401(k) match
• Stock purchase plan
• Paid maternity and parental leave
• PTO
• Multiple health plans
• Flexible working hours
• And more

Minimum Qualifications

• Bachelors 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

• 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 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

1395 Crossman Ave, Sunnyvale, CA 94089-1114, United States of America

Walmart and its subsidiaries are committed to maintaining a drug-free workplace and has a no tolerance policy regarding the use of illegal drugs and alcohol on the job. This policy applies to all employees and aims to create a safe and productive work environment.