# Xu (Tiffa) Cheng

> Senior Frontend Engineer

Location: San Francisco Bay Area, United States
Profile: https://flows.cv/xu

I am a software engineer with 8+ years of experience in front-end development. My strengths include designing and building front-end features using React, NextJS, Typescript and more.

## Work Experience
### Software Engineer @ Adobe
Jan 2023 – Present | San Francisco Bay Area

### Frontend Software Engineer @ Splunk
Jan 2020 – Jan 2023 | San Francisco Bay Area
• Implemented the frontend redesign of Splunkbase, Splunk’s app marketplace, from scratch using a
JamStack architecture, Next.js, React.js, Typescript and Vercel
• Designed the tech stack and delivered features like user login, app downloads, search and filtering
• Presented Splunkbase at .conf, Splunk’s annual conference, and helped customers build Splunk apps
• Onboarded and mentored multiple engineers and was the lead frontend engineer for our team

### Frontend Software Engineer @ StubHub
Jan 2019 – Jan 2020 | San Francisco Bay Area
• Improved SalesPro site speed by 70% through restructuring APIs to reduce first load call size when handling large datasets
• Accelerated SalesPro’s localization process using Gulp and improved the unit test coverage using Jasmine and Istanbul
• Implemented the inventory page from scratch for StubHub’s Seller’s Intelligence Platform using React, ag-Grid and GraphQL

### Front End Specialist @ Amazon
Jan 2018 – Jan 2019 | San Francisco Bay Area
• Designed and implemented the front end for internal dataset tools using Sketch, Flask and Javascript
• Created data collection tools using Javascript, HTML, and CSS to improve Amazon's mobile app visual search accuracy

### Software Engineer @ Accedo.tv
Jan 2016 – Jan 2018 | San Francisco Bay Area
• Developed user profile and playlist features for the iHeart Radio app on Roku, Vizio and Samsung TVs using Accedo’s XDK framework in Javascript
• Fixed playback issues and optimized functionality for Showtime's app launch on LG WebOS and Tivo

### Web TV Developer @ Accedo.tv
Jan 2014 – Jan 2014
Implemented and tested Samsung Smart TV apps including Flixster and
Zee TV on JavaScript.

### Software Engineer @ Peplink
Jan 2013 – Jan 2014
Implemented nDPI, OpenGTS and Google Map API into router firmware and developed new features on their cloud central router management platform


## Education
### Master's degree in Entertainment Technology
Carnegie Mellon University

### Liberal Arts and Sciences/Liberal Studies
Stanford Continuing Studies

### Master's degree in Information Technology
The Hong Kong University of Science and Technology

### Computer Science
Vrije Universiteit Amsterdam (VU Amsterdam)

### Bachelor of Engineering in Information Security
Wuhan University


## Contact & Social
- LinkedIn: https://linkedin.com/in/tiffa-cheng

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Source: https://flows.cv/xu
JSON Resume: https://flows.cv/xu/resume.json
Last updated: 2026-03-22