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Emmanuel Sackey

Emmanuel Sackey

Data Annotator – Aya Data

Ghana flagACCRA, Ghana
$12.00/hrExpertCVATOneforma

Key Skills

Software

CVATCVAT
OneFormaOneForma

Top Subject Matter

AI and Machine Learning
Legal Services & Contract Review
Regulatory Compliance & Risk Analysis

Top Data Types

ImageImage
TextText
DocumentDocument

Top Task Types

ClassificationClassification
Bounding BoxBounding Box
PolylinePolyline
Point/Key PointPoint/Key Point
Object DetectionObject Detection
PolygonPolygon

Freelancer Overview

I have experience in data labeling, where I accurately annotated and organized datasets for machine learning projects ensuring high quality and consistent output. My work involved task such as image, text, or audio labeling, quality checking and following requirement. Through these project, I have developed strong attention to detail, time management and familiarity with annotation tools and workflows. I also hold relevant certifications that demonstrate my understanding of data labeling standards and best practices, further strengthening my ability to contribute effectively to data driven projects.

ExpertEnglish

Labeling Experience

Data Annotator – Aya Data

ImageClassification
As a Data Annotator at Aya Data, I was responsible for annotating diverse datasets using advanced tools to support AI model development. I ensured strict adherence to annotation guidelines for consistent and accurate labeling. Through regular review and correction, I maintained high data quality to aid effective AI training. • Performed comprehensive error detection and corrected mislabeled data. • Collaborated closely with team members to maintain project accuracy. • Documented annotation processes and suggested workflow improvements. • Enhanced dataset reliability supporting model training.

As a Data Annotator at Aya Data, I was responsible for annotating diverse datasets using advanced tools to support AI model development. I ensured strict adherence to annotation guidelines for consistent and accurate labeling. Through regular review and correction, I maintained high data quality to aid effective AI training. • Performed comprehensive error detection and corrected mislabeled data. • Collaborated closely with team members to maintain project accuracy. • Documented annotation processes and suggested workflow improvements. • Enhanced dataset reliability supporting model training.

2024 - Present

Data Annotator – Datamaker Ghana Limited

ImageBounding Box
As a Data Annotator at Datamaker Ghana Limited, I labeled and categorized images to support AI system training. I utilized annotation tools such as polyline, polygon, and bounding box techniques. I converted human concepts into structured data, ensuring high compliance with project guidelines. • Examined image data for errors and discrepancies. • Implemented systematic review procedures to increase data accuracy. • Completed over 10,000 image labels within project timelines. • Achieved a quality score of 95% on delivered annotated datasets.

As a Data Annotator at Datamaker Ghana Limited, I labeled and categorized images to support AI system training. I utilized annotation tools such as polyline, polygon, and bounding box techniques. I converted human concepts into structured data, ensuring high compliance with project guidelines. • Examined image data for errors and discrepancies. • Implemented systematic review procedures to increase data accuracy. • Completed over 10,000 image labels within project timelines. • Achieved a quality score of 95% on delivered annotated datasets.

2022 - 2024

Education

W

West Africa Secondary School

Secondary School Certificate, Unknown

Secondary School Certificate
2021 - 2021
J

Jesus Is the Answer Preparatory School

Basic Education Certificate, Unknown

Basic Education Certificate
2018 - 2018

Work History

A

Aya Data

Data Labeler

Accra-Adenta
2024 - Present
D

DATAMAKER GHANA

Data Labeller

Accra-Adenta
2022 - 2024