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Sharnell Mutua

Data Labeler and Annotation Specialist (Academic and Independent Projects)

Kenya flagNairobi, Kenya
$15.00/hrExpertOtherAppenData Annotation Tech

Key Skills

Software

Other
AppenAppen
Data Annotation TechData Annotation Tech
ClickworkerClickworker
LabelImgLabelImg
MercorMercor
Scale AIScale AI
RemotasksRemotasks
ProdigyProdigy
Redbrick AIRedbrick AI
MindriftMindrift
Mighty AIMighty AI
Label StudioLabel Studio
AWS SageMakerAWS SageMaker

Top Subject Matter

Natural Language Processing

Top Data Types

TextText
AudioAudio
VideoVideo

Top Task Types

TranscriptionTranscription
Question AnsweringQuestion Answering
Text SummarizationText Summarization
Bounding BoxBounding Box
SegmentationSegmentation
CuboidCuboid
Prompt + Response Writing (SFT)Prompt + Response Writing (SFT)
Function CallingFunction Calling
Computer Programming/CodingComputer Programming/Coding
Fine-tuningFine-tuning
Red TeamingRed Teaming
Evaluation/RatingEvaluation/Rating
RLHFRLHF
Object DetectionObject Detection
Text GenerationText Generation
PolylinePolyline
ClassificationClassification
PolygonPolygon
Point/Key PointPoint/Key Point
Entity (NER) ClassificationEntity (NER) Classification
Data CollectionData Collection

Freelancer Overview

Data Labeler and Annotation Specialist (Academic and Independent Projects). Core strengths include Other. Education includes Bachelor of Science, Kenyatta University (2025). AI-training focus includes data types such as Text and labeling workflows including Classification.

ExpertEnglishSwahiliFrench

Labeling Experience

Data Labeler and Annotation Specialist (Academic and Independent Projects)

OtherTextClassification
I performed data labeling and annotation on multilingual text and audio datasets as part of my academic and independent work. My tasks included text classification, named entity recognition (NER), sentiment and intent labeling, and quality assurance checks for both Swahili and English corpora. I followed complex labeling guidelines and ensured high accuracy and consistency across multiple projects. • Labeled and categorized text and audio datasets for large-scale projects using defined rubrics. • Transcribed and annotated audio recordings into well-labeled text for NLP tasks. • Applied complex instructions to ensure data quality and integrity. • Conducted regular quality assurance to maintain dataset standards.

I performed data labeling and annotation on multilingual text and audio datasets as part of my academic and independent work. My tasks included text classification, named entity recognition (NER), sentiment and intent labeling, and quality assurance checks for both Swahili and English corpora. I followed complex labeling guidelines and ensured high accuracy and consistency across multiple projects. • Labeled and categorized text and audio datasets for large-scale projects using defined rubrics. • Transcribed and annotated audio recordings into well-labeled text for NLP tasks. • Applied complex instructions to ensure data quality and integrity. • Conducted regular quality assurance to maintain dataset standards.

2021 - Present

Education

K

Kenyatta University

Bachelor of Science, Data Science

Bachelor of Science
2021 - 2025

Work History

S

Sharnova

manager

Nairobi
2023 - Present