Keketso Selepe

Key Skills

Software

Other

Appen

Clickworker

Mercor

Micro1

Mindrift

OneForma

Toloka

Telus

Top Subject Matter

Large Language Models

AI Training & Quality Evaluation

AI Research

Top Data Types

Text

Audio

Document

Top Task Types

Classification

Transcription

Bounding Box

Polygon

Segmentation

Entity (NER) Classification

Point/Key Point

Object Detection

Text Generation

Question Answering

Text Summarization

Fine-tuning

Evaluation/Rating

Computer Programming/Coding

Data Collection

Prompt + Response Writing (SFT)

Freelancer Overview

Data Annotator/Labeller. Brings 3+ years of professional experience across legal operations, contract review, compliance, and structured analysis. Core strengths include Scale AI and Other. Education includes National Certificate Vocational, Maluti TVET College Lere La Tshepe Campus (2023). AI-training focus includes data types such as Text and Audio and labeling workflows including Classification and Transcription.

Labeling Experience

Transcriber

OtherAudioTranscription

As a Transcriber at Way With Words SA, I transcribed and recorded over 50 hours of audio data for AI research projects. My transcription work aimed for data accuracy to support high-quality machine learning datasets. I ensured consistency and precision in all audio documentation. • Transcribed spoken audio files into structured text format. • Maintained a 98% accuracy rate throughout all assignments. • Supported AI training and machine learning research. • Recorded and reviewed audio segments to guarantee integrity.

As a Transcriber at Way With Words SA, I transcribed and recorded over 50 hours of audio data for AI research projects. My transcription work aimed for data accuracy to support high-quality machine learning datasets. I ensured consistency and precision in all audio documentation. • Transcribed spoken audio files into structured text format. • Maintained a 98% accuracy rate throughout all assignments. • Supported AI training and machine learning research. • Recorded and reviewed audio segments to guarantee integrity.

2024 - 2024

Data Annotator/Labeller

Scale AITextClassification

As a Data Annotator/Labeller at Scale Labs AI, I labeled and categorized over 10,000 text data points, contributing to the accuracy and performance of large language models. My work directly influenced the training and refinement of LLMs such as Gemini and Deepseek. I provided targeted feedback on AI-generated responses to iteratively enhance output quality. • Annotated and classified diverse text datasets for machine learning training. • Delivered extensive feedback on AI model responses each week. • Collaborated with a global, remote annotation team. • Supported the launch of advanced language models through refined data labeling.

As a Data Annotator/Labeller at Scale Labs AI, I labeled and categorized over 10,000 text data points, contributing to the accuracy and performance of large language models. My work directly influenced the training and refinement of LLMs such as Gemini and Deepseek. I provided targeted feedback on AI-generated responses to iteratively enhance output quality. • Annotated and classified diverse text datasets for machine learning training. • Delivered extensive feedback on AI model responses each week. • Collaborated with a global, remote annotation team. • Supported the launch of advanced language models through refined data labeling.

2024 - 2024

Education

Work History