Own core data infrastructure powering geo-distributed storage and data APIs at multi-region scale (100M+ RPS, supporting ~150M+ daily active users).

Drive system architecture and production execution across microservices, caching layers (Redis), and multi-datastore systems (Postgres, CockroachDB), with services primarily in Rust.

Accountable for reliability (SLO/SLI), scalability, and peak traffic readiness, including capacity planning and new data center bring-up.

Core Platform - Infrastructure

• Lead the design and dev of ORM caching for Python Django framework

• Local Business

• Built the data service for eCommerce to identify the fashion trend

• Lead the design and implementation of combined payment (card, coupon, cash, etc) feature across payment domain microservices to accommodate flexible payment scenarios requests. (Used spring-based SOFA framework to deal with transactions across distributed services, convert synchronized requests to async ones in high traffic cases to fulfill 2 seconds payment complete requirement, used distributed key-value store to store flexible payment approaches configuration for different account, used distributed relational database Oceanbase for data storage)

• Refactored critical logic path to improve availability and performance in extremely high throughput cases such as 20K TPS.

• Lead the realtime invoice lookup feature design and development, and integration with external services provided by the partner Apple. (Design new service APIs for third party usage.)

• On-call team lead of payment domain (multiple payment microservices) helps the team quickly do the root cause and take actions accordingly.

• Technical mentors for new hire and junior engineers.

• Prepare and instruct technical solutions for partners who want to integrate with Alipay payment service API.

Predictive storage data analysis platform