Principal Software Engineer

Principal Software Engineer

  • Location SUNNYVALE, CA
  • Career Area Information Technology
  • Job Function Information Technology
  • Employment Type -
  • Position Type -
  • Requisition 990132BR

What you'll do at

· Minimum of 10+ years of benchmark testing, performance analysis, and tuning with experience developing software benchmarks.
· MS, or Ph.D. in Computer Science
· Expert ability to analyze/interpret technical data
· Expert ability to identify/resolve system bottlenecks
· Expert ability to identify potential limitations in software architectures
The @WalmartLabs Markets team delivers the product roadmap and engineering capabilities across every device for our international businesses in the UK and Mexico, as well as Canada. In addition, this team also drives the technology strategy and operational excellence across @WalmartLabs.
· Experience with Website Performance engineering, tools/benchmarks or performance optimizations for large scale distributed systems.
· Experience with designing and building self-service performance automation tools.

· Help Architect complex system configuration for Optimal Performance, Availability, and scalability

· Provide accurate scoping for Performance testing and establish clear priorities, strategies, and milestones

· Experience in reviewing, optimizing and tuning highly available, high throughput and low-latency transactional systems

· Participate in architecture discussions and planning with Development

· Design and run extensive scalability, stability, and stress tests using industry standard benchmarks and custom developed software

· Communicate status, risks to test complete dates, and offer mitigation strategies to ensure on-time delivery of all committed projects to cross-functional teams

· Experience with designing, building and evangelizing performance best practices

· Review automation implementations and encourage sound design principles while remaining practical and milestone driven

· Review test plans, results analysis, capacity planning guides for in-flight releases

· Provide product and automation expertise for use in testing patches, special projects, sizing, capacity planning, consulting, and training

· Work with architects, hardware, and software development groups to ensure the hardware and software design meet the requirements to make the product successful

· Conduct root cause analysis of performance issues, propose, and implement the solution to fix the issues after root causes are identified and confirmed

· Provide guidance to lower level engineers, establish best practices and/or procedures to accomplish the objectives of projects

· Perform end-to-end System Level performance and Scalability benchmark for complex configurations that include multi-networks, multi-sites for replication

· Design and implement performance and capacity testing solutions using a variety of third party and custom tools in a highly available environment

· Troubleshoot complex configuration, infrastructure, networking, and application problems that could impact the performance or capacity of the product.

· Provide release performance assessments and proactively communicate risks and dependencies which may impact the reliability, performance and/or availability of the product.

· Provide technical leadership and mentoring to team members

Minimum Qualifications

· Expert ability to write clear and concise technical documents
· Expert troubleshooting and reasoning skills
· Expert understanding of throughput, latency, memory and CPU utilization
· Must have excellent system and component level design, troubleshooting and problem resolution skills
· Demonstrate longer-term strategic thinking and staying ahead of state-of-the-art curve in order to keep abreast with what’s possible technically, operationally and professionally

Preferred Qualifications

· High impact individual with a technology background and the ability to engage in high bandwidth conversations with engineers and executives alike.
· Team player and passion for building a culture of innovation and flawless execution
· SaaS experience at scale
· Observe industry trends, participate/present on relevant conferences and generate ideas for maintaining product leadership

About Walmart

At Walmart, we help people save money so they can live better. This mission serves as the foundation for every decision we make, from responsible sourcing to sustainability—and everything in between. As a Walmart associate, you will play an integral role in shaping the future of retail, tech, merchandising, finance and hundreds of other industries—all while affecting the lives of millions of customers all over the world. Here, your work makes an impact every day. What are you waiting for?

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All the benefits you need for you and your family

  • Multiple health plan options
  • Vision & dental plans for you & dependents
  • Associate discounts in-store and online
  • Financial benefits including 401(k), stock purchase plans and more
  • Education assistance for Associate and dependents

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