# Devrim Tufan

> Software Engineer at Nextdoor

Location: Sunnyvale, California, United States
Profile: https://flows.cv/devrim

## Work Experience
### Software Engineer @ Nextdoor
Jan 2020 – Present | San Francisco Bay Area

### Sr Principal Architect @ Verizon Media
Jan 2019 – Jan 2020 | Sunnyvale
- Owned all aspects of Verizon Media consumers group’s performance and stability monitoring and reporting for all user-facing web and native app products and drove improvements across all major products, which led to 30% in median and 45% in 95th percentile YoY performance improvement
- Led rebuilding the entire performance and monitoring infrastructure runs on BigQuery and Looker

### Principal Software Engineer @ Oath
Jan 2017 – Jan 2019 | Sunnyvale, California, United States
- Introduced Mobile AFT, Performance Util API for native apps to measure and send RUM
performance metrics to Yahoo data highways. Involved in data collection, ingestion and building monitoring tools and dashboard.
- Played a key engineering role in the rewrite and re-architecting of the new Yahoo Mail frontend
framework and responsible for making it the fastest launching desktop webmail client in the market.

### Principal Software Engineer @ Yahoo
Jan 2010 – Jan 2017 | Sunnyvale, California, United States
- Introduced AFT (Above Fold Times - a RUM performance) metric and built a lightweight JavaScript
library-YAFT to measure the user perceived performance on real users. AFT is considered as the
ultimate performance metric for all Yahoo/Verizon Media products in the last six years
- Built Photon Performance budget infrastructure to detect and prevent performance regressions in
most Verizon Media properties’ CI/CD pipelines, runs against pull requests to flag the performance
regressions and blocks production release
- Led most Yahoo media properties’ frontend redesigning common pages; article, slideshow and video
pages including Yahoo Homepage, News, Sports and Finance

### Lead Architect @ Westbrook Technologies
Jan 2007 – Jan 2010 | Branford, Connecticut, United States
- Lead architect for the development of the FortisBlue, web based electronic document management system, written in pure JavaScript along with ExtJS and YUI JavaScript frameworks. Microsoft C#.Net, Asp.Net, WCF used for the backend web services

### Software Engineer @ Tradesoft
Jan 2002 – Jan 2005

### Software Engineer @ Finansmedia Financial IT Services
Jan 2001 – Jan 2002


## Education
### Graduate in MBA
University of New Haven

### Undergraduate in Computer and Electronics Science
Marmara University


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

---
Source: https://flows.cv/devrim
JSON Resume: https://flows.cv/devrim/resume.json
Last updated: 2026-04-11