Lian Duan
Umich 26\' computer science student. Looking for SDE intern
- Role
- Software Engineer at Meituan
- Location
- Ann Arbor, MI, US
- LinkedIn followers
- 500 followers
Experience
Software Engineer
Apr 2025 — Present · Beijing, CN
Improved RPC reliability by leveraging gRPC, Spring Boot, and ThriftMock for end-to-end simulation, redesigned retry logic, and codified a diagnostic playbook, reducing RPC errors by 17%2. Built the “Game Platform Smart Assistant” (Spring Cloud, Flask, React, MySQL): created four admin tools—Unknown-Question Collector, Taxonomy Editor, Feedback Dashboard, and Knowledge-Expansion Trigger—and configured the AI agent’s workflow for real-time answer-and-enrich loops, duplicate inquiries were reduced by 90% and knowledge-base coverage increased by 70%3. Implemented a slow-metric observability pipeline (slow SQL/cache/interface with Hive tp99 aggregation), feeding results into dashboards to turn opaque performance signals into measurable KPIs—accelerating incident triage and strengthening operational decision-making
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