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L
Lee Z.

Lee Z.

AI Training Specialist

China flagChengdu, China

Key Skills

Software

Other

Top Subject Matter

LLM Evaluation
Tool-use AI Agents
E-commerce Product Data & Taxonomy

Top Data Types

TextText
DocumentDocument

Top Task Types

Function CallingFunction Calling
Prompt + Response Writing (SFT)Prompt + Response Writing (SFT)

Freelancer Overview

AI Training Specialist. Core strengths include Internal, Proprietary Tooling, and Other. Education includes Bachelor of Science, Chengdu University of Technology (2021). AI-training focus includes data types such as Text and labeling workflows including Function Calling and Prompt + Response Writing (SFT).

Labeling Experience

AI Training Specialist

TextTextFunction CallingFunction Calling

As an AI Training Specialist, I conducted LLM evaluation, data labeling, and function calling support for AI agent workflows. I created and labeled high-quality training data focused on tool-use, function selection, and multi-step trace review. I ensured schema accuracy and compliance with privacy policies while supporting major client projects across e-commerce and healthcare domains. • Performed LLM evaluation tasks including pairwise ranking, rubric scoring, and hallucination audits • Labeled function calling and argument annotation data entries for AI agents with a 98.5% accuracy rate • Delivered schema-valid training data through cross-team collaboration and adaptation to custom tooling • Participated in skill assessments and ensured structured outputs for domain-specific tool use

2022 - Present

Data Labeler & AI Evaluation Assistant

OtherTextTextPrompt + Response Writing (SFT)Prompt + Response Writing (SFT)

As an AI Data Labeler & Evaluation Assistant, I performed data labeling and annotation for LLM training, including crafting prompts, responses, and summaries. I supported large-scale AI projects by processing 3000+ text samples weekly, focusing on relevance and consistency to training objectives. I contributed to model quality and reliability through QA, red teaming, and collaborative remote work. • Labeled and annotated textual data, including prompts, responses, and summaries for AI training • Conducted quality assurance through rating, error identification, and optimal response selection • Assisted in red teaming for security, identifying jailbreaks, prompt injections, and policy bypasses • Worked remotely with global teams to meet project goals and quality standards

2021 - 2022

Education

C

Chengdu University of Technology

Bachelor of Science, Computer Science

Bachelor of Science
2017 - 2021

Work History

D

Da Cheng Jun Tu Tech

AI Training

Chengdu
2025 - Present