Hằng Hà

Key Skills

Software

CVAT

Clickworker

Top Subject Matter

Visual Analysis

General AI Evaluation

Top Data Types

Image

Top Task Types

Segmentation

Freelancer Overview

Image/Video Annotator. Brings 2 years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include CVAT and Clickworker. Education includes Bachelor of International Economics, Diplomatic Academy of Vietnam (2025). AI-training focus includes data types such as Image, videos and labeling workflows including Segmentation, Evaluation, and Rating.

Labeling Experience

AI services Tester

Clickworker

As an AI services Tester at Clickworker, I evaluated various AI-generated outputs for quality and relevance. I provided structured feedback to improve the performance of AI models. My work involved rating, reviewing, and assessing AI services across multiple domains. • Reviewed and rated AI-generated content for accuracy • Followed evaluation guidelines to ensure consistency and objectivity • Worked with Clickworker platform tools for assessments • Delivered constructive feedback for model improvements

As an AI services Tester at Clickworker, I evaluated various AI-generated outputs for quality and relevance. I provided structured feedback to improve the performance of AI models. My work involved rating, reviewing, and assessing AI services across multiple domains. • Reviewed and rated AI-generated content for accuracy • Followed evaluation guidelines to ensure consistency and objectivity • Worked with Clickworker platform tools for assessments • Delivered constructive feedback for model improvements

2026 - Present

Image/Video Annotator

CVATImageSegmentation

As an Image/Video Annotator, I performed image annotation focused on segmentation and visual analysis. I ensured data accuracy, consistency, and quality by applying structured workflows in every annotation task. I utilized CVAT and other tools to carry out comprehensive image analysis and pattern recognition. • Labeled images for computer vision model training purposes • Applied intermediate-level segmentation techniques on visual materials • Used CVAT to annotate large sets of visual data • Maintained high standards of accuracy and structured annotation processes

As an Image/Video Annotator, I performed image annotation focused on segmentation and visual analysis. I ensured data accuracy, consistency, and quality by applying structured workflows in every annotation task. I utilized CVAT and other tools to carry out comprehensive image analysis and pattern recognition. • Labeled images for computer vision model training purposes • Applied intermediate-level segmentation techniques on visual materials • Used CVAT to annotate large sets of visual data • Maintained high standards of accuracy and structured annotation processes

Not specified

Education

Work History