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.
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 →6x iOS Build Acceleration
Cut iOS build times from 33 to 5 minutes at Airbnb. Cut incremental build times by 50%. Saved thousands of engineering hours. Open-sourced as Buck Local.
GitHub →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