Gladness Sthembile Ngcongo

GN

Looking for a job

Gladness Sthembile Ngcongo

@gladnesssthembilengc

Organized data annotator and merchandiser with strong attention to detail.

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

GA

Current

Data Collector

Current

Growdgen- Appen

Aug 2025 - Present (11 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

RW

Current

Data Annotator

Current

RWS

Jul 2025 - Present (1 year)

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

MT

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

NS

Sales Representative

Nanci Funeral Services

Mar 2013 - Dec 2013 (9 months)

Sold insurance products through direct and indirect channels, supporting client needs and contributing to revenue between Mar 2013 and Dec 2013.

Sales Customer Service Insurance Sales Direct Sales Communication Problem Solving

Education

Degrees, certifications, and relevant coursework

PL

Playsa

Grade 0-3 Certificate, Early Childhood / Primary Education

2024 - 2024

Completed a Grade 0–3 teaching certificate in 2024.

TR

Teacher Record

TEFL Certificate, Teaching English as a Foreign Language

2024 - 2024

Completed a TEFL certificate program in 2024.

UA

University of South Africa

Bachelor of arts , Psychology and criminology

2024 -

Grade: 7

MS

Mgwempisi Combined School

Matric (Grade 12), General Secondary Education

2012 - 2012

Completed Matric (Grade 12) in 2012.

Tech stack

Software and tools used professionally

Google Tag Manager

Cloudflare

Gmail

Google Analytics

JavaScript

Java

TypeScript

Availability

Looking for a job

Location

South Africa

Authorized to work in

Salary expectations

60k-80k USD

Job categories

Data Entry Specialist Data Annotator Data Collection Specialist Retail Merchandiser Sales Associate Entry Level Education Roles Quality Assurance AI Data Annotator Machine Learning Data Annotator Data Annotation Specialist Language Data Annotator Data Annotation Technician Linguistic Data Annotator Scientific Data Annotation Data Annotation Jobs Freelance Data Annotation Specialist

Skills

Computer Literacy Problem Solving Time Management Attention To Detail Voice Annotation Data Labeling Data Collection Retail Merchandising Direct Sales Gmail

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