Hybrid Principal Software Engineer

at Walmart

• Job title: Principal Software Engineer
• Job type: Full Time
• Experience level: Lead
• Salary: $143,000 - $286,000 per year
• Degree requirement: Bachelor's Degree
• Tech skills: Angular, AWS, Azure, Cloud, Distributed Systems, Docker, Google Cloud Platform, Grafana, Java, JavaScript, Kafka, Kubernetes, Microservices, Node.js, NoSQL, RabbitMQ, React, Scala, Splunk, Spring, Spring Boot, SpringBoot, SQL, TypeScript
• Location requirements: Hybrid, Sunnyvale, United States

About the role

• Principal Engineer at Walmart responsible for architecting and delivering transformative platform solutions. Collaborating with cross-functional teams to integrate AI/ML technologies and ensure system performance and security.

Responsibilities

• Define and drive the architectural vision for enterprise-scale platforms, with a strong emphasis on AI/ML integration, agentic systems, and intelligent automation.
• Guide engineering teams across domains on best practices, technical design, and architectural decisions.
• Architect resilient, cloud-native, full-stack solutions that deliver scale, performance, and security.
• Collaborate closely with data scientists, ML engineers, and product teams to operationalize AI/ML models, including those based on LLMs and deep learning architectures.
• Design and implement agent-based systems for proactive monitoring, triaging, and decision-making.
• Influence roadmap decisions and technical strategy in collaboration with senior leadership.
• Ensure high standards for quality, security, and performance through rigorous design and code reviews.
• Contribute to internal platform standards, reusable frameworks, and engineering playbooks.
• Champion the use of open-source and emerging technologies that align with Walmart’s innovation goals.
• Partner with cross-functional teams globally to solve complex business problems with intelligent solutions.
• Foster a culture of engineering excellence, mentoring senior engineers, and participating in org-wide technical forums.

Requirements

• Bachelor's Degree or Master’s Degree with 10+ years of experience in Computer Science or related field with expertise in platform architecture, scalable systems, and enterprise development.
• Proven leadership in designing and delivering large-scale, distributed systems.
• Strong foundation in algorithms, data structures, system design, and cloud-native principles.
• Deep expertise in backend development (Java, Scala, Spring Boot, Node.js, Microservices).
• Full-stack experience with modern front-end frameworks (React.js, Angular, TypeScript).
• Advanced proficiency in building RESTful and event-driven architectures.
• Experience working with message queues (Kafka, RabbitMQ), distributed caching, and observability stacks (ELK, Grafana, Splunk).
• Expertise with SQL/NoSQL data stores, schema design, and cloud data pipelines.
• Solid experience with CI/CD tooling, DevOps, containerization (Docker), orchestration (Kubernetes), and deployment on cloud platforms (Azure, GCP, AWS).
• Demonstrated experience integrating AI/ML capabilities into platform services —from model inference to feedback loops.

Benefits

• 401(k) match
• Stock purchase plan
• Paid maternity and parental leave
• PTO
• Multiple health plans
• Company-paid life insurance
• Short-term and long-term disability
• Company discounts
• Adoption and surrogacy expense reimbursement