Google Play Core Serving Platform:- A founding team member to build a highly available and low-latency distributed data serving platform, serving over 200+ TB with 200+ million QPS and maintaining 99th percentile latency within 10 ms.- Comprehensive and customizable monitoring framework for different data corpus.- Optimized the serving recouce, reduce 50%+ of CPU utilization, won a google silver perfy award.Google Play Experiment Infrastructure: - Developed essential tools to enhance the safety of feature rollouts through experiments.- Experiment lifecycle manegement, auto-disabling, and counterfactual exteriments supporting.

Google Play Experiment Infrastructure: - Led the deprecation and migration of legacy A/B testing frameworks to advanced systems, involving thousreds of experiments and multiple servers across Google Play.- Implmented tools for experiment realtime monitoring, emergency stop mechanisms.

Google Fiber: - Developed a platform to manage the end-to-end construction lifecycle of the fiber network.- Worked on automatic network design, geometry-based network visualization and interaction, complex construction business logic management.

Enhanced project management software tool for Git supporting.Designed general interfaces for revision control and refactored legacy code.Redesigned and implemented the software's user interface.

Developed a web application to parse resume information and recommend interviewers.Created a parser to retrieve potential candidates from several social media web applications.