# Will Horn

> Founding Eng, Yupp.ai | Ex-Google Eng Director

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

## Work Experience
### Founding Engineer @ Yupp
Jan 2024 – Present | Mountain View, California, United States

### Director of Engineering @ Google
Jan 2023 – Jan 2023 | Mountain View, California, United States

### Director of Engineering @ Google
Jan 2021 – Jan 2023 | Singapore
Director of the global Google Pay app platform team in Singapore and Sydney, Australia. Managed an org of 100 Engineers. Successfully downsized the team and reallocated 30% to other high priority projects in Payments.

### Senior Staff Engineer @ Google
Jan 2019 – Jan 2021 | Singapore
Engineering lead on Google Pay. Grew team from 8 to 30 SWEs, scaled Android app from 350k LOC and 40 contributors to 900k LOC and 113 contributors. Exceeded  growth targets to reach 40M MAU in 2018 and 84M in 2019. Pivoted focus to international expansion, and co-led 18 month app rewrite in Flutter in preparation for iOS heavy markets like US (https://developers.googleblog.com/google-pay-picks-flutter-to-drive-its-global-product-development/).

### Staff Software Engineer @ Google
Jan 2016 – Jan 2019 | Singapore
Engineering lead on NBU (Next Billion Users) projects. Built a micro app platform for the Allo messaging app, allowing shared experiences like games to-do lists in group chat.

### Senior Software Engineer @ Google
Jan 2012 – Jan 2016 | San Francisco Bay Area
Tech Lead, and later Tech Lead Manager of Google+ Communities. Launched and grew to 2.5 million communities, 65 million users, and 3x engagement compared to the Google+ stream.

### Software Engineer @ Google
Jan 2010 – Jan 2012 | San Francisco, California, United States
Worked on Google's internal CRM system for Sales. Became Tech Lead for Contacts, Meetings, and Google Drive/Google Calendar integration.

### Software Engineer @ Marketcetera
Jan 2008 – Jan 2009 | San Francisco, California, United States
Lead developer on the Marketcetera Photon application, as part of an open source algorithmic trading platform. https://www.marketcetera.com/

### Software Engineer @ CGI
Jan 2005 – Jan 2008 | Golden, Colorado, United States
Software Development on CGI's Tapestry product, a modular rating, billing, and order management solution for telecom service providers.


## Education
### BS in Mathematics and Computer Science
Duke University


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

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Source: https://flows.cv/willhorn
JSON Resume: https://flows.cv/willhorn/resume.json
Last updated: 2026-04-10