# Jay Zhang > Staff Software Engineer at Walmart eCommerce Location: Pleasanton, California, United States Profile: https://flows.cv/jayzhang2 As a sophisticated software engineer who believes technology changes everything, I'm dedicated to building distributed, high-scalability products, infrastructures as service, shared libraries, handy tooling, utilities. My personality pushes me to focus on details, overcome challenges, work hard & smart to make things perfect. • Over 12 years of project experience in the Software and Internet Industry, including design, development. • Proficient in Core Java, J2EE, Python, JavaScript. • Proficient in Backend & Platform infrastructure. • Proficient in SQL/MySQL/Oracle/Linux. • Proficient in Caching (Couchbase, Memcached, Ehcache) • Proficient in messaging and event streaming (Kafka, ActiveMQ) • Proficient in micro service (Springboot, docker) • Familiar with Cloud Foundry PCF. • Proven to deliver tasks/project on time with high quality. • Proficient in Software Development Life Cycle process, familiar with Scrum process. • Familiar with lots of open source projects (e.g. Spring, Hibernate), eager to learn new technology. • Excellent English skill. ## Work Experience ### Staff Software Engineer @ Walmart eCommerce Jan 2020 – Present | Sunnyvale, California, United States ### MTS 1, Software Engineer @ StubHub Jan 2017 – Jan 2020 | San Francisco Bay Area • Tech Lead to design system, build infrastructure for initiative project in scale way. • Plan/size/prioritize/assign tasks to iron out sprint planning based on product requirement with PM/Architect. • Contribute on coding, peer review, unit/integration testing, release cycle. • Resolve technical challenges and technical debts, troubleshooting on difficulty. • Build the brand-new build/release system for the entire StubHub. • Support any other team members on infrastructure level domain knowledge like properties, cache, single page application. ### MTS 1, Software Engineer @ eBay Jan 2015 – Jan 2017 | Shanghai, China • Work with managers/architects on scoping, planning and design. • Project lead to retire legacy cache cluster system: replace memcached with couchbase in whole site level. • Project lead on design/coding the new properties management system, introduce properties as cloud service, retire the legacy system. • Project lead to adopt the brand-new properties system to the other domain team and coordinate the schedules and help to plan/prioritize the stories. • Work with Reg/Ops team to thrash out new process on build/release system. • Support any other team members on infrastructure level domain knowledge. ### Senior Software Engineer @ eBay Jan 2010 – Jan 2015 | Shanghai, China • Design, implement and code review on platform level projects. • Project lead on design/coding critical and unique java backend controller to serve whole site. • Project lead on design/coding on tracking/logging APIs. • Major developer to build Gift Card/Fan rewards system. • Major Java backend developer to convert Search application from gen2 to gen3. ### Software Engineer @ eBay Jan 2007 – Jan 2010 | Shanghai, China • Major Java backend developer to convert Gen2 framework for Gen3 Genre/Leaf Genre applications. • Communicate with product manager on the brand-new redesign and feature enhancement on Gen3. • New feature development including design, implement and code review. • Estimate and evaluate the tasks. ## Education ### Bachelor's degree in Surveying and Mapping Engineering Tongji University ## Contact & Social - LinkedIn: https://linkedin.com/in/jay-zhang-6b811b3a --- Source: https://flows.cv/jayzhang2 JSON Resume: https://flows.cv/jayzhang2/resume.json Last updated: 2026-04-12