Backend engineer building reliable payment & issuing systems for real-world scale.

I design and operate distributed backend services, and build the frontend surfaces needed to ship complete products.

Co-founder of @glocashier.com & @g-cashier.com , prev @ke.com & dhgate.com

Current Projects

MasonxPay (open source)

Payment Orchestration

There is no Java version of payment orchestrate system, let's vibe coding one.

GLOCASHIER

Payment Gateway

Payment processing infrastructure for cross-border transactions

G-CASHIER VCC

Virtual Card Issuing

Virtual credit card platform for online payments and subscriptions

BitMart Mall

Gift Cards Platform

Gift card marketplace integrated with 12M+ user application

Recent Articles

IaC: From AWS Scripts to a Language Your Infrastructure Actually Speaks

Stateful Services in K8s: From Local NVMe to RDMA-Powered Block Storage

The Two-Pointer Pattern: How Distributed Systems Guarantee No Data Loss

Algorithmic Patterns Landscape, Mindset, Approach
View all articles →

Previous Work

KE.COM

Internal Infrastructure Platform

Built internal cloud platform serving China's largest real estate platform (NASDAQ: BEKE, $20B market cap)

DHGATE.COM

B2B Wholesale Platform

Developed backend services for international B2B e-commerce marketplace

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