Lei Z.

Key Skills

Software

Other

Top Subject Matter

AI-assisted Chinese content creation and quality evaluation for social media

E-commerce listing content review and performance optimization

Top Data Types

Text

Top Task Types

Prompt + Response Writing (SFT)

Entity (NER) Classification

Freelancer Overview

Independent Content & AI Operations Specialist (AI prompt engineering and content quality assurance). Brings 9+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Internal, Proprietary Tooling, and Other. AI-training focus includes data types such as Text and labeling workflows including Prompt + Response Writing (SFT), Evaluation, and Rating.

Labeling Experience

Independent Content and AI Operations Specialist - N/A

TextEntity (NER) Classification

Operates multi-platform social media channels to grow community presence and support ongoing content initiatives. Provides AI prompt engineering and Chinese content quality assurance services while building AI-assisted creation workflows. Manages a WeChat Official Account using automated reply and lead generation systems to improve efficiency and conversion. • Run Douyin, Xiaohongshu, and WeChat Official Account operations • Deliver AI prompt engineering and Chinese content quality review • Build AI-assisted content automation and workflow systems • Implement automated replies and lead generation on WeChat

2024 - Present

Independent Content & AI Operations Specialist (AI prompt engineering and content quality assurance)

TextPrompt + Response Writing (SFT)

Provided AI prompt engineering and Chinese content quality assurance for multi-platform social media workflows. Built and iterated prompt-driven content generation/automation to improve output consistency and relevance for Chinese audiences. Evaluated AI outputs using quality checks to ensure compliance and effectiveness for publication and engagement. • Developed prompt templates for content creation and automated replies • Performed Chinese-language quality review and issue correction • Implemented AI-assisted automation workflows for WeChat Official Account • Conducted iterative evaluation of AI responses before live posting

2024 - Present

E-commerce Operations Specialist (content optimization and quality improvement)

OtherText

Supported ongoing e-commerce operations that included optimizing product listings and customer engagement content. While not explicitly described as AI labeling, work implies systematic review and quality improvement of listing text for performance. Used structured content evaluation and iteration practices to improve transaction outcomes and rating. • Reviewed and optimized Chinese product listing copy and descriptions • Adjusted customer-facing content to improve engagement • Coordinated logistics-related information presentation for listings • Maintained quality standards for customer satisfaction

2018 - Present

Education

Work History