Developed brand-asset management service for Alipay CRM, enabled asset verification and brand authorization, covered 100K+ clients and 2M+ assets.

Developed brand-toolbox service to help merchants in brand management, asset authorization and coupon distribution, supported 7K+ brands and 35K+ merchants.

Designed and developed account-app recommendation service to enable merchants to recommend their app to customers.

Collaborated with multiple teams to divide Alipay accounts into operation/transaction accounts for compliance purposes.

Participated in troubleshooting and technical support, ensured stable service for 100M+ Alipay merchants.

Established real-time data processing service with Flink and Kafka, built the first real-time dashboards for sales events and daily business monitor.

Applied tree-algorithm in batch data processing optimization, reduced data production time from 70 to 30 minutes, saved 20% computing & storage resources.

Developed real-time event-tracking validation service with Flink/Redis.

Developed customized dashboard and toolbox for event-tracking data analysis, significantly improved efficiency compared to request BI to manually export data.

Replaced 3rd party service, saved cost and controlled data leakage risk.

Developed a photovoltaic investment advisory platform, detected 100K+ potential projects from satellite images through machine learning (Faster-RCNN).

Developed an energy management system for factories with Python/Vue.