Gxator A.

Key Skills

Software

Label Studio

CVAT

Doccano

Top Subject Matter

Chinese NLP, Intent Labeling, Knowledge-Base QA, and LLM Response Evaluation

Customer Support, Chatbot Workflows, and E-commerce Operations

Digital Media, Subtitles, Video/Audio Review, and Content Quality Evaluation

Top Data Types

Text

Video

Audio

Top Task Types

Classification

RLHF

Prompt + Response Writing (SFT)

Freelancer Overview

AI Training / Data Annotation Practitioner (Project-Based & Self-Directed Workflows). Brings 3+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Internal and Proprietary Tooling. Education includes Master of Arts, Harbin Institute of Technology, Shenzhen (2025) and Bachelor of Arts, China University of Geosciences, Wuhan (2023). AI-training focus includes data types such as Text and labeling workflows including Classification.

Labeling Experience

AI Training / Data Annotation Practitioner (Project-Based & Self-Directed Workflows)

TextClassification

Conducted AI data annotation and training using Chinese NLP rubrics for intent labeling and text classification tasks. Evaluated model outputs for answer relevance, response completeness, tone, safety, and factual consistency while tracking edge cases and applying quality checks. • Applied rubric-based labeling for Chinese intent and classification • Assessed LLM response attributes (relevance, completeness, tone, safety, factuality) • Mapped user-support and knowledge-base questions to intents with confidence thresholds • Flagged recurring errors using structured templates and spreadsheets for feedback loops

2024 - Present

Education

Work History