LABELERS
ImageRLHF
label the marketing pics for grocessory and restaurant merchants
label the marketing pics for grocessory and restaurant merchants
2025 - 2026
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Key Skills
Software
AWS SageMaker
Mindrift
Scale AI
Surge AIInternal/Proprietary Tooling
Top Subject Matter
Financial text
sentiment analysis
market prediction
Top Data Types
Text
Audio
DocumentTop Task Types
Fine-tuning
Classification
Entity (NER) Classification
Point/Key Point
Text Generation
Object Detection
Question Answering
Text Summarization
RLHF
Evaluation/Rating
Computer Programming/Coding
Function Calling
Data Collection
Transcription
Segmentation
PolygonFreelancer Overview
Senior machine learning(data) scientist - Sentiment Analysis Data Labeling & Model Fine-Tuning. Brings 12+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Internal and Proprietary Tooling. Education includes Master of Science, Beijing Institute of Technology (2015) and Bachelor of Science, South China Normal University (2012). AI-training focus includes data types such as Text and labeling workflows including Fine-tuning.
ExpertEnglish
Labeling Experience
Senior machine learning(data) scientist - Sentiment Analysis Data Labeling & Model Fine-Tuning
TextFine Tuning
Fine-tuned domain-specific BERT models on large-scale financial text corpora for sentiment analysis and market trend prediction. Worked on extracting actionable signals from labeled textual data and improving model accuracy through iterative annotation and model retraining. Integrated sentiment-labeled data outputs into portfolio risk assessment tools.
• Curated and annotated datasets of financial news, reports, and social media.
• Applied best practices for text data quality and consistency checks.
• Collaborated with quants and analysts to define labeling schema.
• Conducted evaluation and error analysis to refine model performance.
Fine-tuned domain-specific BERT models on large-scale financial text corpora for sentiment analysis and market trend prediction. Worked on extracting actionable signals from labeled textual data and improving model accuracy through iterative annotation and model retraining. Integrated sentiment-labeled data outputs into portfolio risk assessment tools. • Curated and annotated datasets of financial news, reports, and social media. • Applied best practices for text data quality and consistency checks. • Collaborated with quants and analysts to define labeling schema. • Conducted evaluation and error analysis to refine model performance.
2020 - 2024
Education
B
Beijing Institute of Technology
Master of Science, Computer Science
Master of Science
2012 - 2015
S
South China Normal University
Bachelor of Science, Computer Science
Bachelor of Science
2008 - 2012
Work History
M
Mastercard
Senior Machine Learning Engineer
Dublin
2025 - Present
R
Rent the Runway
Senior Machine Learning Engineer
New York
2024 - 2025