Kaiwen Ren
STAT & CS Major UIUC, ATLAS Internship @ College of Liberal Art and Science, Researcher @ Gies College of Business
- Role
- Software Engineer at Mina Ai
- Location
- Urbana, IL, US
- LinkedIn followers
- 500 followers
About Kaiwen Ren
I’m a Master of Computer Science graduate student at UIUC and an AI-focused software…
Experience
Software Engineer
Nov 2025 — Present · US
Built a full-stack AI seller agent and chat experience using Next.js and the Gemini API. Developed a multi-stage NLP pipeline (intent classification + entity extraction) to reduce unclear requests, with automated fallbacks and smooth handoff to humans when needed. Designed a session-based REST API with role-based message visibility and a custom in-memory store (simStore) to hydrate agent state on the server. Implemented an LLM response engine with retrieval-augmented Q&A memory, intent disambiguation, and auto-escalation thresholds—supporting real-time buyer/seller messaging, SSE typing indicators, and role-specific transcript views that help drive negotiation-to-payment conversion.
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