LZ Liangwei Zhang

AI / LLM Engineer

Building reliable AI systems from model capability to product experience.

CS master's graduate, former TikTok software engineer in the United States, now focused on AI large language model development in China.

LLM applications Backend systems ML engineering Search and recommendation

01

About

I work at the intersection of backend engineering, machine learning, and AI product development. My background spans large-scale software systems, model-driven applications, and applied machine learning projects across search, recommendation, NLP, and computer vision.

02

Experience

AI Large Language Model Developer

Current focus

China

Building AI and LLM-oriented applications with an emphasis on practical engineering, reliability, and product integration.

Software Development Engineer

TikTok

United States · 2 years

Worked on production software systems in a fast-moving engineering environment with strong expectations for scale, quality, and delivery.

M.S. in Computer Science

Carnegie Mellon University

Pittsburgh

Studied intelligent information systems with coursework across machine learning, NLP, search engines, distributed systems, and production ML.

03

Selected Projects

Selected academic and engineering projects from machine learning, search, and AI system development.

Internship

Software Engineering Intern - Meta Platforms, Inc.

View project

Academic

Image-Based Face Classification and Verification

View project

04

Contact

I am open to conversations around AI engineering, LLM applications, backend systems, and practical machine learning.

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