Masego Themba

Key Skills

Software

Labelbox

iMerit

Top Subject Matter

No subject matter listed

Top Data Types

Text

Top Label Types

Segmentation

Question Answering

Freelancer Overview

I am a detail-oriented data annotator and transcription specialist with hands-on experience supporting AI training data across text, audio, and image domains. My background includes working with leading platforms like Appen and Alignerr, where I performed data labeling, annotation, and quality assurance to ensure high-quality datasets for machine learning models. I excel at interpreting complex guidelines, providing actionable feedback, and maintaining high productivity and accuracy standards in remote settings. My skills include text and audio annotation, transcription, and the use of digital tools such as Google Suite, Microsoft Office, and CRM platforms. With a strong foundation in linguistic analysis and a commitment to data integrity, I am passionate about contributing to the development of robust AI systems.

Labeling Experience

Data annotator and AI promt rater

ImeritTextQuestion Answering

I performed data annotation and labeling for machine learning training datasets as well as reviewing and categorizing text, audio, and image data according to detailed guidelines. My role involved conducting quality assurance checks to ensure accuracy and consistency. I provided feedback to improve annotation processes and model outputs. The project required me to adhere to strict productivity and accuracy benchmarks.

I performed data annotation and labeling for machine learning training datasets as well as reviewing and categorizing text, audio, and image data according to detailed guidelines. My role involved conducting quality assurance checks to ensure accuracy and consistency. I provided feedback to improve annotation processes and model outputs. The project required me to adhere to strict productivity and accuracy benchmarks.

2025

Transcriber

LabelboxTextSegmentation

The project required me to complete text and audio annotation tasks to support AI model development as well as transcribe audio recordings with high accuracy and proper formatting. I also Identified inconsistencies and flagged quality issues in labeled datasets, along with adapteding to evolving project guidelines and maintained attention to detail.

The project required me to complete text and audio annotation tasks to support AI model development as well as transcribe audio recordings with high accuracy and proper formatting. I also Identified inconsistencies and flagged quality issues in labeled datasets, along with adapteding to evolving project guidelines and maintained attention to detail.

2024 - 2024

Education

Work History