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Q

Qinqiu Yu

Data Quality Analyst for AI Training Data Evaluation

AUSTRALIA flag
Beijing, Australia
$20.00/hrIntermediate

Key Skills

Software

No software listed

Top Subject Matter

Financial trading system outputs

Top Data Types

TextText
ImageImage
DocumentDocument

Top Task Types

Classification
Entity Ner Classification

Freelancer Overview

Data Quality Analyst for AI Training Data Evaluation. Brings 8+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Internal and Proprietary Tooling. Education includes Master of Information Technology, University of Wollongong (2025) and Bachelor of Computer Science, Beijing University of Posts and Telecommunications. AI-training focus includes data types such as Text and labeling workflows including Evaluation and Rating.

IntermediateEnglishChinese Mandarin

Labeling Experience

Data Quality Analyst for AI Training Data Evaluation

Text
Evaluated system outputs and datasets to identify inconsistencies, errors, and performance issues as part of structured data quality review. Conducted detailed inspections of text and tabular data generated by AI-driven reporting for anomaly and error detection. Leveraged Python and MySQL to execute validation, correction, and verification of model responses in a financial trading system environment. • Performed structured analysis of text-based outputs from proprietary financial software. • Rated and reviewed model-generated datasets for accuracy and integrity. • Collaborated with QA and engineering to escalate significant inconsistencies. • Utilized Python and SQL to automate parts of the evaluation process.

Evaluated system outputs and datasets to identify inconsistencies, errors, and performance issues as part of structured data quality review. Conducted detailed inspections of text and tabular data generated by AI-driven reporting for anomaly and error detection. Leveraged Python and MySQL to execute validation, correction, and verification of model responses in a financial trading system environment. • Performed structured analysis of text-based outputs from proprietary financial software. • Rated and reviewed model-generated datasets for accuracy and integrity. • Collaborated with QA and engineering to escalate significant inconsistencies. • Utilized Python and SQL to automate parts of the evaluation process.

2022 - 2025

Education

U

University of Wollongong

Master of Information Technology, Information Technology

Master of Information Technology
2025
B

Beijing University of Posts and Telecommunications

Bachelor of Computer Science, Computer Science (International Trade)

Bachelor of Computer Science
Not specified

Work History

B

Beijing Hehong Yingke Technology

Test Engineer

Beijing
2022 - 2025
D

Digital China Information Services

QA Team Lead

Beijing
2020 - 2021