Nonhlanhla Zitha
@nonhlanhlazitha
Detail-oriented AI data trainer and annotator focused on quality, consistency, and improving AI systems.
What I'm looking for
I am a detail-oriented and adaptable professional with experience in AI data training, annotation, and content evaluation. I have performed data labeling and categorization tasks for platforms like Prolific and Appen, provided structural feedback to improve model performance, and consistently followed strict guidelines to deliver accurate results.
My background includes field data collection with Ipsos South Africa and strong written communication, problem-solving, and organizational skills. I am tech-savvy with online platforms and independent task management, and I am passionate about quality, consistency, and contributing to the improvement of artificial intelligence systems.
Experience
Work history, roles, and key accomplishments
AI Data Annotator
Freelance
Jan 2021 - Present (5 years 1 month)
Performed data labeling, annotation, and AI output evaluation for platforms including Prolific and Appen, ensuring guideline adherence and improving model performance through structured feedback.
Field Worker
Ipsos South Africa
Oct 2019 - Nov 2019 (1 month)
Collected and recorded survey and field study data, ensured accuracy through careful documentation, and engaged participants professionally while following research protocols.
Education
Degrees, certifications, and relevant coursework
Orlando West Secondary School
Matric, Secondary Education
2014 - 2018
Completed secondary education (Matric) at Orlando West Secondary School, focusing on general secondary curriculum and preparation for post-school opportunities.
Availability
Location
Authorized to work in
Job categories
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