(USA) Senior, Software Engineer

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.

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 expert's 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. Here, you can kickstart a great career in tech, gain new skills and experience for virtually every industry, or leverage your expertise to innovate at scale, impact millions and reimagine the future of retail. Walmart’s culture is a competitive advantage, and it’s fostered by being together. Working together in person allows us to collaborate, align quickly and innovate with greater speed.  We use our campuses to create purposeful connection rooted in deepening understanding and investing in the development of our associates.  
Our hubs: Walmart is a global company with offices across the United States and around the world. Our global headquarters is in Bentonville, Arkansas, with primary hubs in the San Francisco Bay area and New York/New Jersey. 

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.

Equal Opportunity Employer:
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 unique styles, experiences, identities, ideas, and opinions – while being inclusive of all people.

The above information has been designed to indicate the general nature and level of work performed in the role. It is not designed to contain or be interpreted as a comprehensive inventory of all responsibilities and qualifications required of employees assigned to this job. The full Job Description can be made available as part of the hiring process. At Walmart, we offer competitive pay as well as performance-based bonus awards and other great benefits for a happier mind, body, and wallet. Health benefits include medical, vision and dental coverage. Financial benefits include 401(k), stock purchase and company-paid life insurance. Paid time off benefits include PTO (including sick leave), parental leave, family care leave,