Position Summary...What you'll do...Immigration sponsorship is not available for this roleThis is a full-time, onsite role at our Sunnyvale, CA office. This position is not eligible for remote work. About the Team:Walmart's top-of-funnel and discovery platforms power digital entry experiences for millions of customers across multiple markets, brands, and tenants. These systems support:
- Multi-tenant architectures
- Region-specific configurations
- High-throughput traffic patterns
- Real-time personalization and experimentation
What you will do:As a Senior Software Engineer (Rust), you will design and build
low-latency, highly available, multi-tenant distributed systems operating at internet scale.
- Develop production-grade Rust services using async frameworks (Tokio, Axum, Actix).
- Leverage Rust's ownership and concurrency model to build memory-safe, highly performant systems.
- Optimize services for: CPU efficiency, Memory footprint, Network throughput, Multi-tenant workload distribution
- Drive full SDLC in a cloud-native environment: CI/CD automation, canary & blue/green deployments, automated load, stress, and chaos testing, observability and distributed tracing
- Architect and implement resilient microservices capable of multi-region, multi-tenant scale.
- Integrate real-time ML inference services into high-throughput Rust backends.
What you will bring:- 5+ years of backend or distributed systems engineering experience.
- Production experience with Rust in high-performance, scalable systems.
- Experience with Kubernetes & Containers
- Engineering & Architecture experience
- Deep understanding of Async programming and multithreading, Memory management, Networking fundamentals, Distributed systems principles
- Experience designing and operating multi-tenant systems.
- Proficiency in cloud-native architectures (Kubernetes, containers, CI/CD).
- Strong debugging, profiling, and performance optimization skills.
Preferred Qualifications- Experience building large-scale customer-facing digital platforms.
- Familiarity with CDN strategies and edge computing.
- Exposure to personalization, experimentation, or recommendation systems.
- Experience preparing systems for extreme traffic events.
- Contributions to Rust open-source ecosystem.
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, Computer Engineering, Computer Information Systems, Software Engineering, or related area and 1 year's 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...1345 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.
