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Principal Software Engineer

Walmart


Location:
Sunnyvale, CA 94086
Date:
02/09/2018
2018-02-092018-06-15
Walmart
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Job Details

990132BRReq ID:990132BRCompany Summary:Walmart Global eCommerce is comprised of Walmart.com, VUDU, SamsClub.com, and our technical powerhouse @WalmartLabs. Here, innovators incubate next gen e-commerce solutions in real-time. We integrate online, physical, and mobile shopping experiences for billions of customers around the globe. How do we do it? We continuously build and invest in new technology including open source tools and big data innovations. Data scientists, front and back-end engineers, product managers, and web and UX/UI teams collaborate alongside e-commerce experts to envision, prototype, and bring revolutionary ideas to life in a dynamic, flexible and fun work culture.Job Title:Principal Software EngineerPosition Summary: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 membersCity:SUNNYVALEState:CAPosition Description: 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 membersMinimum 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 whats possible technically, operationally and professionallyAdditional 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 leadershipCategory:Information Technology Division:WalmartEmployment Type:Full TimeRequisition Template:eCommerce
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