About

Xu (Tiffa) Cheng is a highly skilled software engineer with over 8 years of relevant experience in the field. Currently working as a Software Engineer at Splunk, she specializes in front-end implementations and is proficient in designing and building front-end features using React, NodeJS, and more. With a Master's degree in Entertainment Technology from Carnegie Mellon University, Xu has a deep understanding of the technical aspects of building complex, customer-facing applications. She developed the UI for StubHub’s B2B tool for market data analysis and improved StubHub’s seller platform performance by 70%. Her past experience includes working as a Frontend Software Engineer (SE3) at StubHub and a Front End Specialist at Amazon. At StubHub, Xu was responsible for improving SalesPro site speed by 70% through restructuring APIs to reduce first load call size when handling large datasets. She also accelerated SalesPro’s localization process using Gulp and improved the unit test coverage using Jasmine and Istanbul. Additionally, she implemented the inventory page from scratch for StubHub’s Seller’s Intelligence Platform using React, ag-Grid, and GraphQL. At Amazon, she designed and implemented the front end for internal dataset tools using Sketch, Flask, and Javascript and created data collection tools using Javascript, HTML, and CSS to improve Amazon's mobile app visual search accuracy. Xu's education history includes a Master's degree in Information Technology from The Hong Kong University of Science and Technology, a Bachelor of Engineering in Information Security from Wuhan University, and a Computer Science program from Vrije Universiteit Amsterdam (VU Amsterdam). Overall, Xu is a highly motivated and skilled software engineer with a passion for building complex, customer-facing applications. She is proficient in a wide range of technologies, including NodeJS, UI, test, Javascript, Search, Flask, and Mobile.