Staff, Software Engineer - Backend

About the role

We are seeking a talented and passionate Staff Software Engineer to join our Marketplace Engineering team. In this role you will play a pivotal role in shaping the architecture scalability and reliability of Walmart's core platforms and services. You'll partner with cross-functional teams to deliver robust high-performing systems that power Walmart's third-party seller ecosystem.

Responsibilities

• Lead the design of distributed fault-tolerant backend systems using Java (JDK 21) Spring Boot and event-driven architectures.
• Drive both high-level and low-level design discussions in collaboration with architects and senior engineers.
• Build and deliver highly scalable services and data pipelines leveraging Kafka Cassandra Spark and Airflow.
• Write clean performant and maintainable code while establishing engineering best practices.
• Build and deliver highly scalable microservices and cloud-native applications across Azure GCP and private cloud environments with a strong focus on disaster recovery (DR) readiness.
• Lead the architecture and development of platform capabilities supporting Marketplace Capital products including lending cashback eligibility financial decisioning and related platform services.
• Design and implement intelligent Agentic AI-powered workflows that improve engineering productivity automate operational processes enhance business decision-making and deliver scalable AI-driven capabilities across the Marketplace Payments platform.
• Design and build scalable payment platform capabilities that support Walmart's continued expansion across international markets while ensuring high availability regulatory compliance and operational excellence.
• Ensure systems are resilient and reliable through strong CI/CD practices observability including monitoring and alerting and disaster recovery strategies.
• Guide mentor and elevate engineers at multiple levels.
• Foster a culture of technical rigor ownership and continuous learning.
• Work with teams across geographies to define and deliver solutions aligned with business needs marketplace growth and platform scale.
• Build tools frameworks and reusable platform capabilities that accelerate developer productivity and reduce operational overhead.

Requirements

• At least 6 years of professional software development experience with expertise in backend systems and a proven track record of leading architecture for distributed platforms.
• Deep proficiency in Java (JDK 21) Spring Boot Kafka Cassandra and large-scale data processing frameworks such as Spark and Airflow.
• Strong background in designing multi-tenant cloud-native systems across Azure GCP or private cloud environments with an emphasis on scalability performance reliability and resiliency.
• Experience designing or integrating AI-powered applications LLM-based workflows or Agentic AI solutions into enterprise platforms to solve real business problems.
• Experience building or contributing to payments financial services lending fintech marketplace or international payment platforms is a strong plus.
• Adept at breaking down complex problems into actionable solutions while balancing trade-offs across performance cost reliability and delivery speed.
• Ownership-driven and passionate about technology with curiosity to evaluate and adopt emerging technologies where they create measurable business value.
• Excellent communication skills with the ability to influence align and partner with engineers product managers and stakeholders across global teams.
• Experience mentoring engineers setting technical direction and raising the bar for engineering excellence.

Qualifications

• Option 1: Bachelor's degree in computer science, computer engineering, computer information systems, software engineering, or related area and 4 years’ experience in software engineering or related area.
• Option 2: 6 years’ experience in software engineering or related area.

Preferred Qualifications

• Master’s degree in Computer Science, Computer Engineering, Computer Information Systems, Software Engineering, or related area and 2 years' experience in software engineering or related area.
• Demonstrated knowledge in creating inclusive digital experiences, implementing Web Content Accessibility Guidelines (WCAG) 2.2 AA standards, assistive technologies, and integrating digital accessibility seamlessly.