Sirui Li

Sirui Li

SWE @Tiktok| Co-founder @EQUO (YC interview)| Math & CS @NYU| AI/ML @NYU Abu Dhabi

Role
Software Development Engineer at TikTok
Location
New York, NY, US
LinkedIn followers
500 followers

Experience

  1. Software Development Engineer

    TikTok

    May 2025 — Present · San Jose, CA, US

    Built ReAct (Reasoning + Acting) agent framework for processing the whole lifecycle of chargeback cases, increasing auto case creation from 12% to 75%, able to process 8k cases per year- Integrated LangGraph with multiple MCPs (data/file regulation, channel interaction) and Graph RAG knowledge base, lowering cost by 20 times, able to auto defense cases per year, increased coverage by 4.5%- Developed both HTTP and RPC (Thrift) APIs for seamless backend integration.

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Sirui Li — Software Development Engineer at TikTok in New York, NY, US | Unifers