Staff, Software Engineer - Backend

Walmart, Inc.

$143K — $286K *
Information Technology
5 - 7 years of experience
Job Overview by Ladders

Qualifications

  • 6+ years of professional software development with expertise in backend systems and distributed platform architecture.
  • Deep proficiency in Java (JDK 21), Spring Boot, Kafka, Cassandra, Spark, and Airflow.
  • Experience designing multi-tenant cloud-native systems with a focus on scalability and reliability across Azure and GCP.
  • Knowledge of AI-powered applications and workflows to solve business challenges.
  • Experience in payments, fintech, or international payment platforms is a strong plus.
  • Strong analytical skills to translate complex problems into actionable solutions.
  • Proven mentoring experience and ability to enhance engineering team capabilities.

Responsibilities

  • Lead design of distributed fault-tolerant backend systems using Java and Spring Boot.
  • Develop scalable services and data pipelines with Kafka, Cassandra, Spark, and Airflow.
  • Architect microservices and cloud-native applications, ensuring disaster recovery readiness.
  • Drive development of Marketplace Capital products and related platform capabilities.
  • Implement intelligent AI-driven workflows that enhance operational efficiency.
  • Build payment platform capabilities to support international market expansion.
  • Ensure system resilience through CI/CD practices and robust observability.

Benefits

  • Collaborative team environment fostering technical rigor and continuous learning.
  • Opportunities to work with cutting-edge technology in fintech and payments sectors.
  • Ability to influence the architecture of scalable, high-impact systems.
  • Mentorship opportunities to guide and elevate fellow engineers.
  • Involvement in cross-functional projects that contribute to global marketplace growth.
Full Job Description
Position Summary...
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.

About the Team
This role is part of the Walmart Marketplace Payments organization. Our team builds platforms and experiences that power how sellers and partners get paid. We drive high-impact portfolios including Capital Faster Payout Critical Payout Services Risk Management Agentic AI-powered workflows and the expansion of payment services across international markets. As these areas continue to grow in scale and complexity we are looking for a Staff Software Engineer to provide technical leadership architectural direction and mentorship that will enable us to deliver with quality resilience and speed.

Immigration Sponsorship support will NOT be available for this position.

What you'll do...
  • 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.

What you'll bring
  • 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.

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 4 years' experience in software engineering or related area.
Option 2: 6 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 2 years' 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...

1375 Crossman Ave, Sunnyvale, CA 94089-1114, United States of America

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