Senior, Software Engineer (Backend Java/Rust)

Immigration sponsorship is not available for this role. Applicants must be authorized to work for any employer in the United States without current or future visa sponsorship.  

This is a full-time onsite role based in Sunnyvale, CA; remote and hybrid options are not available.

Role Summary:
The Senior Software Engineer will lead the delivery of scoped features and models through collaborative teams, ensuring alignment with platform and business objectives. This role involves designing, developing, testing, and maintaining high-quality software solutions using multiple programming languages and modern development practices. The position requires integrating AI/ML components, driving continuous improvement, and supporting operational excellence. The engineer will engage stakeholders to translate complex problems into technical requirements, provide technical leadership, and promote innovation while maintaining system reliability and performance in a fast-paced environment.

About the Team:
The Walmart Item Orchestrator team comprises skilled engineers dedicated to building a high-performance platform managing millions of queries per second across billions of items. Utilizing technologies like Java, Rust, Kafka, Cassandra, and Kubernetes, the team develops scalable, low-latency systems. Focused on collaboration and technical excellence, members deliver resilient, efficient features aligned with Walmart’s platform and business objectives. The team emphasizes continuous improvement through iterative development, knowledge sharing, and best practices to ensure reliable, high-quality software that meets demanding performance standards.
 
What You'll Do:

• Own scoped feature and model delivery through collaborative engineering teams, ensuring alignment with platform and system objectives.
• Write clean, efficient, and reliable code across multiple languages, driving full software development lifecycle including CI/CD and automated testing.
• Integrate AI/ML components and leverage GenAI tools to enhance software intelligence and development velocity.
• Participate in solution design, conduct code reviews, and ensure scalable, secure, and maintainable software systems.
• Collaborate with stakeholders to translate business needs into technical requirements and measurable outcomes.
• Monitor application performance, support defect management, and promote continuous improvement and innovation.
• Mentor peers, share knowledge, and contribute to engineering excellence and team growth.

What You'll Bring:

• Extensive experience in software development with proficiency in Java or RxJava, Spring Boot, Kafka, and Cassandra (or similar platforms).
• Strong expertise in object-oriented programming, code review, debugging, and documentation-based coding practices.
• Proven ability to deliver scoped features and models through collaborative, iterative development and continuous integration processes.
• Experience integrating AI/ML components and leveraging generative AI tools to enhance software solutions.
• Demonstrated skills in designing scalable, secure, and maintainable systems aligned with business objectives.
• Ability to translate complex business problems into actionable technical requirements and measurable outcomes.
• Commitment to engineering excellence, continuous improvement, and effective cross-team collaboration.
• Experience working on high throughput, scalable microservices.

Preferred Experience and Qualifications:

• 5+ years of full-time experience as a Java backend engineer.
• Hands-on experience working in a large-scale systems environment.
• Rust experience strongly preferred.

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 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