Opportunity Description
**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...
**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...
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