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Gladness Sthembile Ngcongo

@gladnesssthembilengc

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Organized data annotator and merchandiser with strong attention to detail.

South Africa

Message

What I'm looking for

I seek online, challenging roles where I can apply annotation, data collection and merchandising skills, grow professionally, and contribute to team success.

I am a detail-oriented data annotator and merchandiser with experience in image, video and voice annotation, data collection and retail merchandising. I combine strong computer literacy, problem-solving and time-management skills with hands-on experience in sales and store-level execution.

I hold a TEFL certificate and teaching certificates for early grades, and I am pursuing a Bachelor of Arts in Psychology and Criminology at UNISA. I seek online, challenging opportunities where I can apply my skills to contribute to organizational success.

Experience

Work history, roles, and key accomplishments

Current

Data Collector

Current

Growdgen- Appen

Aug 2025 - Present (4 months)

Collect and label data, including capturing images and performing manual data labeling to support AI training datasets.

Data Collection Data Labeling Mobile Data Capture Quality Control Time Management Computer Literacy

Current

Data Annotator

Current

RWS

Jul 2025 - Present (5 months)

Perform image, video and voice annotation tasks for machine learning datasets, maintaining quality and consistency to meet project requirements.

Data Annotation Voice Annotation Quality Assurance Attention To Detail Computer Literacy

Merchandiser

Mini Cash Food Town

Jan 2018 - Dec 2023 (5 years 11 months)

Managed in-store merchandising activities from Jan 2018 to Dec 2023, ensuring product availability and presentation that supported sales targets and inventory accuracy.

Merchandising Inventory Management Retail Operations Time Management Attention To Detail