Sultan Mash

Key Skills

Software

Appen

Remotasks

Scale AI

Toloka

Labelbox

Label Studio

CVAT

Top Subject Matter

General AI/ML Data Annotation and Quality Review

English Voice Training

Audio Quality Evaluation for AI

Top Data Types

Text

Image

Audio

Top Label Types

Classification

Entity Ner Classification

Segmentation

Bounding Box

Transcription

Audio Recording

Freelancer Overview

AI Data Labeller & Quality Reviewer | Freelance (Remote). Brings 3+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Appen, Remotasks, and Scale AI. Education includes Bachelor of Science, Jomo Kenyatta University of Agriculture and Technology (2021). AI-training focus includes data types such as Text, Image, and Audio and labeling workflows including Classification, Entity (NER) Classification, and Segmentation.

Labeling Experience

English Voice Contributor & Listening Evaluator | Freelance (Remote)

AppenAudioAudio RecordingTranscription

I provided English voice recordings and completed listening evaluation tasks for AI voice training datasets. My tasks involved recording scripted voice samples, scoring audio clips for pronunciation and clarity, and documenting evaluator feedback in structured rubrics. I used Microsoft Office tools and Google Docs to manage submissions and communicate with project coordinators for timely deliverables. • Recorded and submitted high-quality English voice samples. • Rated and reviewed AI-generated or human voice samples for clarity and naturalness. • Maintained accurate evaluator logs and submission records. • Collaborated remotely for guideline updates and dataset improvements.

I provided English voice recordings and completed listening evaluation tasks for AI voice training datasets. My tasks involved recording scripted voice samples, scoring audio clips for pronunciation and clarity, and documenting evaluator feedback in structured rubrics. I used Microsoft Office tools and Google Docs to manage submissions and communicate with project coordinators for timely deliverables. • Recorded and submitted high-quality English voice samples. • Rated and reviewed AI-generated or human voice samples for clarity and naturalness. • Maintained accurate evaluator logs and submission records. • Collaborated remotely for guideline updates and dataset improvements.

2023 - Present

AI Data Labeller & Quality Reviewer | Freelance (Remote)

AppenTextClassificationEntity Ner Classification

I labeled and annotated diverse datasets including text, images, and audio for multiple AI/ML training projects. My responsibilities included AI output evaluation, text classification, sentiment tagging, named entity recognition, image annotation, segmentation, and audio clipping. I used platforms such as Appen, Remotasks, Scale AI, Toloka, and Labelbox to ensure annotations met project quality thresholds and contributed structured feedback for model improvement. • Performed sentiment tagging, entity recognition, and bounding box/image annotation. • Clipped and transcribed audio recordings for speech datasets. • Documented detailed feedback, quality notes, and task progress using Google Docs. • Reviewed AI-generated output for accuracy, coherence, and guideline alignment.

I labeled and annotated diverse datasets including text, images, and audio for multiple AI/ML training projects. My responsibilities included AI output evaluation, text classification, sentiment tagging, named entity recognition, image annotation, segmentation, and audio clipping. I used platforms such as Appen, Remotasks, Scale AI, Toloka, and Labelbox to ensure annotations met project quality thresholds and contributed structured feedback for model improvement. • Performed sentiment tagging, entity recognition, and bounding box/image annotation. • Clipped and transcribed audio recordings for speech datasets. • Documented detailed feedback, quality notes, and task progress using Google Docs. • Reviewed AI-generated output for accuracy, coherence, and guideline alignment.

2023 - Present

Education

Work History