Principal Software Engineer - Marketplace Platform

Walmart Inc.; Sunnyvale (CA); On-site; USD 143,000 - 286,000; Full time

Benefits offered by this job

Healthcare benefits

401(k) including stock purchase

Paid time off and family leave

Job summary

Walmart Inc. is hiring a Principal Software Engineer for Marketplace Technology in Sunnyvale, CA. This role leads design and delivery of scalable platform capabilities, guiding cloud-native architecture and real-time data processing across multiple teams.

Responsibilities include ML/AI integration, end-to-end SDLC leadership, and mentorship to ensure architectural excellence and operational reliability for millions of users.

Qualifications

• Experience building highly available, scalable distributed systems.
• Experience documenting high-level technical design documents.
• Experience designing microservices in Java, Golang, or Scala.
• Experience deploying containerized services on Kubernetes.

Responsibilities

• Lead platform engineering to deliver scalable infrastructure and ML frameworks.
• Architect cloud-native, distributed systems with high availability.
• Oversee full SDLC including coding, testing, deployment and monitoring.
• Integrate AI agents and intelligent applications.
• Mentor teams and influence architectural standards.

Skills

Platform engineering

Cloud-native architecture

Distributed systems

Python

Java

C++

Golang

CI/CD

Mentorship

Kubernetes

Education

Master's degree in CS/CE/IT or related

Bachelor's degree + 5+ years experience

Tools

Kafka

Cassandra

DB2

Elasticsearch/Logstash/Kibana

Job description

Walmart Inc. is hiring a Principal Software Engineer for Marketplace Technology in Sunnyvale, CA. This role leads design and delivery of scalable platform capabilities, guiding cloud-native architecture and real-time data processing across multiple teams.

Responsibilities include ML/AI integration, end-to-end SDLC leadership, and mentorship to ensure architectural excellence and operational reliability for millions of users.