Established Alipay brand service from scratch.

• 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.

Improved Alipay merchant service.

• 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.

Designed and developed a low-code data visualization platform with Java/React, cut development time of customized business dashboard from weeks to days.

Led the data-tech team on data development and infrastructure R&D.

• 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.

Designed and developed event-tracking management platform with Java/Vue.

• 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.

Rearchitected data query middleware to enable version/process control, circuit breaker, flow monitor and task group isolation, improved reliability above 99.99%.

Customized Metabase as a data analysis platform to replace 3rd party service.

Led the tech team on product design, development and operation.

• 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.