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Achievement: YOLOAchievement: Pull Shark

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Achievement: YOLOAchievement: Pull Shark

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txsjyy/README.md

Hi, I'm Junyu 👋

AI Engineer for Payments, Subscriptions & Risk

I build AI-powered systems for payments and subscriptions, with a focus on fraud prevention, risk controls, security, and reliable backend infrastructure. My experience spans production AI workflows, high-volume data systems, and end-to-end product delivery.

Selected work

  • OpenArt AI platform — production model integrations, backend services, analytics, and large-scale data migration. See my case study.
  • GalaGate — event operations product for attendee check-in, raffles, sponsors, and analytics. Source
  • SnapLink — URL management platform with link lifecycle rules and click analytics. Source

Engineering interests

Payment and subscription integrity · Fraud prevention · Risk controls · Secure backend systems · Production AI · Data reliability

🌐 Portfolio · 💼 LinkedIn

Payment and risk engineering is my current focus area; the projects above describe my production AI and product engineering experience.

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