Sheila Muambe

Key Skills

Software

Other

Appen

Clickworker

CloudFactory

Data Annotation Tech

CVAT

CrowdSource

Hasty

HiveMind

iMerit

Lionbridge

Micro1

Mindrift

SuperAnnotate

Top Subject Matter

Audio Annotation Quality Assurance

General AI Data Annotation

Large Language Model (LLM) Training

Top Data Types

Audio

Image

Text

Top Label Types

Classification

Prompt Response Writing SFT

Bounding Box

Segmentation

Polygon

Point Key Point

Entity Ner Classification

Text Generation

Question Answering

RLHF

Text Summarization

Transcription

Freelancer Overview

Audio Quality Checker | Chemin. Brings 2+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Other and Remotasks. Education includes Bachelor of Science, Brigham Young University (2024) and Bachelor of Science, Cooperative University of Kenya (2024). AI-training focus includes data types such as Audio, Image, and Text and labeling workflows including Evaluation, Rating, and Classification.

Labeling Experience

Audio Quality Checker | Chemin

OtherAudio

As an Audio Quality Checker at Chemin, I reviewed the completed audio labeling work for accuracy and guideline adherence. I identified labeling errors, inconsistencies, and ensured all deliverables met the required quality standards. My focus was on ensuring high-quality, accurate audio datasets for AI projects. • Performed detailed audio quality checks to identify labeling errors. • Provided actionable feedback for corrections and verified corrections were implemented. • Ensured consistency, completeness, and attention to detail in annotation deliverables. • Approved final outputs for submission upon meeting quality requirements.

As an Audio Quality Checker at Chemin, I reviewed the completed audio labeling work for accuracy and guideline adherence. I identified labeling errors, inconsistencies, and ensured all deliverables met the required quality standards. My focus was on ensuring high-quality, accurate audio datasets for AI projects. • Performed detailed audio quality checks to identify labeling errors. • Provided actionable feedback for corrections and verified corrections were implemented. • Ensured consistency, completeness, and attention to detail in annotation deliverables. • Approved final outputs for submission upon meeting quality requirements.

2025 - Present

AI Data Specialist | LabelYourData (SupportYourApp)

OtherImageClassification

As an AI Data Specialist at LabelYourData (SupportYourApp), I was responsible for tagging, categorizing, and annotating various data types for AI training. I closely followed project-specific guidelines to ensure accuracy, consistency, and correctness of annotations. My work contributed to producing high-quality labeled datasets used for machine learning models. • Labeled text, images, audio, and video data for supervised learning tasks. • Collaborated with trainers and management for quality assurance. • Reviewed and validated annotations to uphold data integrity. • Adhered to strict project protocols to ensure reliable results.

As an AI Data Specialist at LabelYourData (SupportYourApp), I was responsible for tagging, categorizing, and annotating various data types for AI training. I closely followed project-specific guidelines to ensure accuracy, consistency, and correctness of annotations. My work contributed to producing high-quality labeled datasets used for machine learning models. • Labeled text, images, audio, and video data for supervised learning tasks. • Collaborated with trainers and management for quality assurance. • Reviewed and validated annotations to uphold data integrity. • Adhered to strict project protocols to ensure reliable results.

2025 - 2025

LLM Trainer and Data Annotator | Sapien AI

OtherTextPrompt Response Writing SFT

As an LLM Trainer and Data Annotator at Sapien AI, I created detailed descriptions and high-accuracy labels for large language model training. I categorized and labeled textual data to enhance AI understanding and text generation. This role required careful time management and delivering high-quality results on strict deadlines. • Authored training data for animated model and LLM projects. • Labeled text according to client-specific standards. • Maintained rigorous accuracy throughout all annotation tasks. • Managed timely completion to ensure smooth client handover.

As an LLM Trainer and Data Annotator at Sapien AI, I created detailed descriptions and high-accuracy labels for large language model training. I categorized and labeled textual data to enhance AI understanding and text generation. This role required careful time management and delivering high-quality results on strict deadlines. • Authored training data for animated model and LLM projects. • Labeled text according to client-specific standards. • Maintained rigorous accuracy throughout all annotation tasks. • Managed timely completion to ensure smooth client handover.

2024 - 2025

Data Annotator/Freelancer | Remotasks

RemotasksImage

As a Data Annotator and Freelancer at Remotasks, I worked on categorizing, labeling, and evaluating data in AI application projects. My work supported large language model training and included assessment of AI-generated image edits for quality and relevance. I focused on improving the overall accuracy and precision of AI models. • Labeled datasets for various AI use cases, including computer vision tasks. • Evaluated results to ensure accurate AI-driven image outputs. • Provided feedback for continuous improvement of AI models. • Prioritized customer experience and dataset reliability.

As a Data Annotator and Freelancer at Remotasks, I worked on categorizing, labeling, and evaluating data in AI application projects. My work supported large language model training and included assessment of AI-generated image edits for quality and relevance. I focused on improving the overall accuracy and precision of AI models. • Labeled datasets for various AI use cases, including computer vision tasks. • Evaluated results to ensure accurate AI-driven image outputs. • Provided feedback for continuous improvement of AI models. • Prioritized customer experience and dataset reliability.

2020 - 2024

Education

Work History