# Sheldon Shao > Principal Software Engineer, SaaS at Intuit Location: San Jose, California, United States Profile: https://flows.cv/sheldonshao Lead principal engineer of the Intuit Kubernetes Service(IKS). Drove, designed and built multiple critical initiatives from scratch such as HPA, metrics collection, Prometheus, AI powered autoscaling and resources allocation. multiple system from scratch. Hands on Java, Golang and Python with Jupyter lab. Deep experiences on Kubernetes, Docker, AWS, Spring-Boot, Prometheus etc. Lead principal engineer of the API gateway which is the API routing hub of all intuit APIs. Reduced 50% of the compute resources by fixing multiple memory leaks after I joined the team in 3 months. An expert of Kubernetes, autoscaling, AIOps, observability and large-scale distributed system design. A software designer who has strong experience in designing, implementing and management in cloud platform and web framework. A good tech lead who influences and collaborates with internal and external technical leaders to deliver business critical platforms and frameworks A self-driven and goal-oriented individual coordinator. A full stack engineer who hands on all kinds of technologies include software, OS, smart hardware, electronics, plumbing, woodworking etc. A master of performance optimization, trouble shooting and problem resolving in eBay and Intuit Cloud platform. An expert and coach who shares his knowledge and industry experience without team boundary. More than 24 years of experience in design, development and maintain large scale java server side platform(s) and web applications. Passionate about the performance tuning, site speed and server side programming Specialties: Cloud computing, PaaS, K8S, deployment, large-scale distributed system, Java performance tuning, Server side profiling, Site speed analysis, Tomcat/Jasper, RUM (Real user monitoring)/CDN, Spring/Web frameworks, JQuery. Filed 6 patents in infrastructure autoscaling with AI/ML. Submitted more than 20 patches or bug fixes for tomcat. Blog post and patches for Tomcat: http://www.ebaytechblog.com/2013/01/04/tomcatjasper-performance-tuning/ ## Work Experience ### Principal Software Engineer, Platform @ Intuit Jan 2018 – Present | Mountain View Lead principal engineer of the Intuit Kubernetes Service(IKS). Drove, designed and built multiple critical system from scratch such as HPA, metrics collection, Prometheus, AI powered autoscaling and resources allocation. multiple system from scratch. Hands on Java, Golang and Python with Jupyter lab. Deep experiences on Kuberenets, Docker, AWS, Spring-Boot, Prometheus etc. ### MTS.2 Software Engineer @ eBay Inc Jan 2015 – Jan 2018 | San Jose Tech lead of eBay Cloud PaaS team which owns the entire eBay Platform as A Service. Designed, implemented and manage VM based Cloud Platform(Altus). Adapted K8S, docker, kafka, zookeeper etc. for using in the eBay PaaS. Designed and Implemented deployment orchestration engine which unified all deployments and provided same user experiences on VM based, K8S based container or hybrid cloud on GCP. Designed multiple customized resources and controllers to coordinate K8S with eBay existing system and orchestration engine. Designed application errors machine learning system, which makes developers addressing issues never so easy. Hugh improvements on 95% software deployment time taken by Altus, which was reduced from 2mins to 20secs and software downloading time from 10minutes to 1min. Improved system reliability from 96% to 99.5%. Massive improvements on reliability after my performance tuning on Quartz scheduler, which improved maximum running jobs from 100 to 500 at same time. My article about this http://www.ebaytechblog.com/2016/01/14/performance-tuning-on-quartz-scheduler/ ### MTS.2 Software Engineer @ eBay Inc Jan 2013 – Jan 2015 | Shanghai City, China Tech lead of eBay Framework(Raptor) team which owns high performance tuning and site speed for eBay. Initiated two widely used site speed tools in eBay and PayPal, SiteSpeed Dashboard and eSpeedy Massive improvements of JSP runtime on Raptor framework Decreased the raptor server startup time from more than 5 minutes to 1 minute Built the second generation of Raptor framework ### Staff software engineer @ eBay Inc Jan 2011 – Jan 2013 | Shanghai Tech lead of eBay Framework team which owns the web resource and raptor performance. Significant performance achievements of Raptor app startup on OSGi. Reduced the time from 10mins to 1min Built up the first version of Site Speed Dashboard for eBay use Hadoop and real time data tracking and analyzing technologies Developed web resource framework for eBay web developers ### CEO, Architect, Software Engineer etc. @ Bolango.com Jan 2007 – Jan 2011 | Shanghai City, China Third party software provider for sellers on the world largest online e-commerce C2C platform. Designed and implemented item compliance scanning tools for Taobao sellers Built Item picture slideshow IOS APP for Taobao items Item description builder for Taobao sellers Inventory management software ### Director, Core Technologies @ Ceno Technologies Incorporated Jan 2001 – Jan 2007 | Shanghai City, China The company was the biggest messaging software provider in China. The major product was Email System. Built and managed the R&D team Defined software developing process, software architecture design process, coding standard and source code management Designed and implemented Large-scale Java Email System. Designed the basic software architect of the company, Java basic development kit, Java distributed communication architect, Unified User management, Fast Message Queue, High performance Java web container, Effective Java Web developing model, Basic Message Agent, etc. Built and managed the QA team and defined the process of QA, improved the performance of the team. ### Software engineer @ Netdao,Inc. Jan 2000 – Jan 2001 Key developer of Email Team. To develop a large scale and distributed email system. ## Education ### Bachelor in MicroElectronics University of Electronic Science and Technology of China ## Contact & Social - LinkedIn: https://linkedin.com/in/sheldon-shao-1330711b --- Source: https://flows.cv/sheldonshao JSON Resume: https://flows.cv/sheldonshao/resume.json Last updated: 2026-04-12