Hannah Stern

Key Skills

Software

Appen

Clickworker

CrowdSource

CVAT

Data Annotation Tech

Labelbox

LabelImg

OneForma

Remotasks

SuperAnnotate

Toloka

Scale AI

Top Subject Matter

No subject matter listed

Top Data Types

Audio

Image

Text

Top Task Types

Bounding Box

Classification

Evaluation Rating

Object Detection

Segmentation

Freelancer Overview

I am a professional with expertise in AI training and data labeling, possessing hands-on experience in annotating text, images, audio, video, and geospatial data. I am proficient in various labeling techniques, including classification, bounding boxes, segmentation, named entity recognition (NER), and evaluation/rating. My efforts are focused on ensuring high levels of accuracy, consistency, and quality, which are critical for the development of reliable artificial intelligence systems. With a solid foundation in data science, mathematics, and research, I demonstrate strong analytical abilities and meticulous attention to detail. I am well-versed in a range of annotation tools, including Makesense.ai, LabelImg, and CVAT. I have effectively managed high-volume datasets and conducted quality assurance checks to deliver training data that enhances AI performance across multiple sectors, including technology, healthcare, and e-commerce.

Labeling Experience

Data Annotation

CVATImageBounding Box

Bounding boxes were used in CVAT to annotate large image datasets for object detection tasks. Road signs, cars, pedestrians, and commonplace items were accurately labeled to aid in computer vision training. Achieved consistent accuracy above 95% by adhering to project guidelines and conducting cross-check reviews to ensure quality.

Bounding boxes were used in CVAT to annotate large image datasets for object detection tasks. Road signs, cars, pedestrians, and commonplace items were accurately labeled to aid in computer vision training. Achieved consistent accuracy above 95% by adhering to project guidelines and conducting cross-check reviews to ensure quality.

2025 - 2025

Education

Work History