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R
Ran P.

Ran P.

Data Annotator (Part-time) performing text classification & image annotation with QA and quality inspection

China flagLishui, China

Key Skills

Software

No software listed

Top Subject Matter

AI training data annotation (text classification and image labeling)
Quality assurance processes supporting AI training/data annotation workflows
Data-driven quality supervision and compliance tracking (non-AI labeling)

Top Data Types

TextText
ImageImage
DocumentDocument

Top Task Types

ClassificationClassification

Freelancer Overview

Data Annotator (Part-time) performing text classification & image annotation with QA and quality inspection. Brings 15+ years of professional experience across complex professional workflows, research, and quality-focused execution. Education includes Bachelor, Hubei University of Technology (2011). AI-training focus includes data types such as Text and Image and labeling workflows including Classification, Entity (NER), and Evaluation.

Labeling Experience

Data Annotator (Part-time) performing text classification & image annotation with QA and quality inspection

TextTextClassificationClassification

Performs guideline-based multi-type annotation across text classification and image labeling while processing approximately 200 items per day. Conducts cross-validation and quality inspection to detect deviations, then provides corrective feedback and rework as needed. Maintains strong documentation discipline for traceability and continuous quality improvement. • Follows project labeling guidelines and quality standards. • Keeps rework rate below 3% through QA and consistency checks. • Analyzes annotation outputs in Excel to ensure complete and accurate records. • Creates standardized reference memos summarizing common errors to improve onboarding efficiency.

2025 - Present

Project Manager focused on quality systems and training that improve data/annotation quality processes

TextTextClassificationClassification

Supports AI/data-quality related work indirectly through quality systems, closed-loop corrective mechanisms, and standardized SOPs that ensure consistent execution of data and quality processes. Develops and delivers technical training materials to help non-technical stakeholders follow quality requirements and improve cross-team collaboration. Contributes to early-warning and corrective workflows that improve acceptance outcomes. • Developed quality defect early-warning and closed-loop corrective mechanisms. • Delivered technical training sessions and materials to non-technical teams. • Created standardized management SOPs for consistent execution. • Oversaw quality standard implementation aligned with process-driven acceptance targets.

2018 - 2025

Engineering Manager with quality supervision and data-driven ledger management

TextText

Manages quality standards implementation and full-process quality supervision, ensuring compliance with established plans and construction standards. Uses data-driven ledgers to support precision management and maintain quality oversight. While not specifically described as AI labeling, the role emphasizes structured data quality tracking and compliance monitoring. • Oversaw quality standard implementation and quality supervision. • Monitored compliance with standards and plans. • Built data-driven ledger systems for precision management. • Coordinated processes to achieve provincial quality awards.

2011 - 2018

Education

H

Hubei University of Technology

Bachelor, Construction Engineering Management

Bachelor
2007 - 2011

Work History

H

Huahong Jiaxin Group

Project Manager

Lishui
2018 - 2025
C

China Resources Land

Engineering Manager

Shantou
2016 - 2018