Position Summary...What you'll do...About Team: Join the team powering Walmart's Checkout platform, where every millisecond and every transaction matters. As a Senior Backend Engineer, you will build and scale mission-critical payment orchestration services that support order submission, payment authorization, and the integration of new payment methods across millions of daily transactions.
What you'll do: - Design and build high-availability Java/Spring Boot microservices that power checkout payment flows.
- Implement and evolve payment orchestration logic, including order submission and authorization routing to downstream payment providers.
- Integrate and support new payment methods (wallets, BNPL, card types, etc.) in a scalable, extensible architecture.
- Develop and maintain REST APIs with strong emphasis on performance, idempotency, and resiliency.
- Own services end-to-end - deployment, monitoring, observability, and production issue resolution.
What you'll bring: - 6+ years of backend engineering experience with strong hands-on expertise in Java and Spring Boot.
- Experience building transactional systems with strict reliability, consistency, and latency requirements.
- Solid understanding of REST API design, distributed systems patterns, and failure handling (timeouts, retries, circuit breakers).
- Experience with Cosmos DB or other NoSQL data stores in high-scale production environments.
- Strong DevOps mindset - comfortable with CI/CD pipelines, monitoring, logging, and production support.
Benefits:Benefits: Beyond our great compensation package, you can receive incentive awards for your performance. Other great perks include 401(k) match, stock purchase plan, paid maternity and parental leave, PTO, multiple health plans, and much more.
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...1395 Crossman Ave, Sunnyvale, CA 94089-1114, United States of America
