Xianwen Chen
CTO & Co-Founder, Netaro
Staff-level engineer with 17+ years shipping products end-to-end — backend, frontend, iOS, Android. Former Staff Engineer at Airbnb, previously Dropbox and RingCentral. Tsinghua University CS. Founded WriteTutor AI in 2025, now building Netaro as CTO.
What I've Built
WriteTutor AI
Founded an AI-powered writing tutor for kids. Took it from zero to paying customers as a solo founder — product, engineering, design, and go-to-market.
Visit site →AI-Powered Test Generation
Built a fully automated unit test generation pipeline using LangChain, OpenAI, and Claude at Airbnb. Generated tests outperformed tools like Copilot Chat.
6.7x iOS Build Acceleration
Cut iOS full build times from 33 to 5 minutes at Airbnb. Improved incremental builds by 50%. Saved thousands of engineering hours.
iOS CI Migration to AWS
Technical lead for end-to-end migration of 300+ Mac CI machines to AWS EC2 at Airbnb. Designed the system topology with Terraform. Reduced macOS upgrade time from weeks to hours. Zero incidents.
Airbnb Engineering Blog →Top 10 in App Store
"Password Manager" reached overall top 10 in 3 countries (2012). 700k+ combined downloads across all apps before acquisition in 2013.
Open Source
Key contributor to Buck Local (Airbnb's fork of Meta's Buck) and Djinni (Dropbox's cross-platform C++ bridge).
Career
Education
Skills