Johnson Donyina

Key Skills

Software

Clickworker

CVAT

Toloka

Other

Top Subject Matter

No subject matter listed

Top Data Types

Image

Medical Dicom

Text

Top Task Types

Bounding Box

Classification

Question Answering

Segmentation

Freelancer Overview

I have an excellent data labeling skill for for more than 2 years, working with companies like clickworker in which, I was involved in extensive AI training and currently as a person pursuing medical education, I have been active in data annotation predominantly in the medical field with more than a year experience with Centaur labs DiagnosUs app which has given me more hands on experience in all forms of data labelling including videos, audio, images, text and more. I also have some bit of experience with CVAT.

Labeling Experience

Data Labelling Specialist - Ayadata Gh

CVATImageSegmentation

Trained as a Data Labelling Specialist with AyaData Gh with certification.

Trained as a Data Labelling Specialist with AyaData Gh with certification.

2025

Freelacer

CVATImageBounding BoxPolygon

Part of AyaDatagh freelancer skill pool involved in the labelling and annotation of data via the CVAT platform

Part of AyaDatagh freelancer skill pool involved in the labelling and annotation of data via the CVAT platform

2025

Segmentation projects

OtherImageBounding BoxPolygon

Project requires segmentation of various forms of healthcare data. This includes radiological images, intra-operative images and more

Project requires segmentation of various forms of healthcare data. This includes radiological images, intra-operative images and more

2024

Data annoator

OtherMedical DicomSegmentationClassification

DiagnosUs is by far the most involving AI developing app, offering all forms of labeling especially healthcare, it is a huge project aimed at using human knowledge particularly from medical physicians and other healthcare workers to help annotate all forms of medical data including Xrays and more.

DiagnosUs is by far the most involving AI developing app, offering all forms of labeling especially healthcare, it is a huge project aimed at using human knowledge particularly from medical physicians and other healthcare workers to help annotate all forms of medical data including Xrays and more.

2024

Freelancer

ClickworkerVideoObject DetectionData Collection

Clickworker has a wide range of task of which I partook taking of video for facial recognition to be used for development of security devices, Image detection and differentiation which was done via UHR on an external website and data collection including taking of pictures of the environment as the task required.

Clickworker has a wide range of task of which I partook taking of video for facial recognition to be used for development of security devices, Image detection and differentiation which was done via UHR on an external website and data collection including taking of pictures of the environment as the task required.

2019

Education

Work History