Xianwen Chen
CTO & Co-Founder, Netaro
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 founding CTO — a cross-border payments platform enabling businesses to move funds globally, faster and cheaper than traditional rails.
What I've Built
Netaro
Integrated Fireblocks, Circle, Coins.ph, and Persona into a unified system spanning transfers, treasury, KYC/AML, and fiat on/off ramps. Enterprise-grade infrastructure with bank-level security, pursuing SOC 2 compliance. Preparing for launch.
Visit site →WriteTutor.ai
Built 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. Open-sourced as BuckSample.
GitHub →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
Built Password Manager, an iOS app that reached the overall top 10 in Apple's App Store in 3 countries. 700k+ downloads across all my iOS apps before acquisition in 2013.
Skills
Career
Education