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Mary Zisengwe

Mary Zisengwe

Data Specialist - Data Annotation

SOUTH_AFRICA flag
Johannesburg, South Africa
$5.00/hrIntermediateAnno Mage

Key Skills

Software

Anno-MageAnno-Mage

Top Subject Matter

No subject matter listed

Top Data Types

ImageImage

Top Label Types

Point Key Point

Freelancer Overview

I am a detail-oriented Data Specialist with hands-on experience in data annotation for AI training, including image, video, and audio data. My work at OpenAI involved analyzing large datasets, identifying errors, and ensuring content accuracy for model improvement. I have developed and implemented data reporting and visualization techniques, as well as fact-checking and content verification for various data types. My strong critical thinking, problem-solving, and organizational skills enable me to deliver high-quality, reliable training data for machine learning applications. I am passionate about supporting AI development through precise data labeling and continuous learning in the field.

IntermediateEnglish

Labeling Experience

Anno-Mage

Data annotation

Anno MageImagePoint Key Point
Data labelling , checking for artifacts and checking any blurs and disortation in images and videos.

Data labelling , checking for artifacts and checking any blurs and disortation in images and videos.

2024 - 2025

Education

C

Cisco

Certificate in Cyber Security, Cyber Security

Certificate in Cyber Security
2025 - 2025

Work History

K

Kove Collection

Manager

Johannesburg
2008 - 2023