Yanjie Zheng

Currently at Valdera delivering chemicals

I've built evals and orchestration for alot of LLM systems I've touched.

I spent three years at Berkeley, split between research and shipping.

Work

Valdera.

Came on as an early engineer and shipped the first agentic pipeline for supplier discovery later replaced with a LangChain agent I co-owned. After the very long QA phases we deployed it on GCP and integrated it into the internal platform I own.

Silicon Valley Commerce.

During my time at SVC I built and scaled the AI team. We supported automation and tooling for all internal teams as well as the flagship AI products.

GenAI @ Berkeley.

I co-founded a student group for applied GenAI, and we ran projects with alot of companies.

Before that: AI engineering projects contracted with Google, and ML at Quizlet, where I wrote an internal eval library for LLM work.

Contact

Wanna chat?