Han L.

Key Skills

Software

Other

Top Subject Matter

E-commerce Visual Content

Top Data Types

Image

Top Task Types

RLHF

Freelancer Overview

AI Data Annotation Specialist (Entry Level) | Visual Content Expert. Brings 10+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Other. Education includes Bachelor of Arts, Hubei University of Technology (2017). AI-training focus includes data types such as Image and labeling workflows including RLHF.

Labeling Experience

AI Data Annotation Specialist (Entry Level) | Visual Content Expert

OtherImageRLHF

In this role, I generated and optimized product images using AI tools and conducted content testing and user preference analysis to improve visual quality metrics. My responsibilities included annotating images, performing visual assessment, and contributing to reward model training through RLHF techniques. This hands-on experience strengthened my skills in content evaluation and quality assurance within e-commerce environments. • Utilized Midjourney and Stable Diffusion to label and refine product visuals. • Assessed user preferences, providing annotated feedback for RLHF tasks. • Conducted image quality assessments to inform model improvements. • Managed end-to-end process: content creation, annotation, and evaluation.

2025 - Present

Education

Work History