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Boniface Muthini

Data Annotation Specialist / AI Trainer (Freelance)

Kenya flagNairobi City, Kenya
$10.00/hrExpertOtherAppenCloudfactory

Key Skills

Software

Other
AppenAppen
CloudFactoryCloudFactory
CrowdFlowerCrowdFlower
Data Annotation TechData Annotation Tech

Top Subject Matter

General AI/ML

Top Data Types

ImageImage
VideoVideo
DocumentDocument

Top Task Types

ClassificationClassification
Data CollectionData Collection
TranscriptionTranscription
Text SummarizationText Summarization
Object DetectionObject Detection
SegmentationSegmentation
Bounding BoxBounding Box

Freelancer Overview

Data Annotation Specialist / AI Trainer (Freelance). Brings 4+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Other. Education includes Kenya Certificate of Primary Education, Makutano Primary School (2012) and Kenya Certificate of Secondary Education, St Johns Malivani Secondary School (2016). AI-training focus includes data types such as Image and labeling workflows including Classification.

ExpertEnglishSwahili

Labeling Experience

Data Annotation Specialist / AI Trainer (Freelance)

OtherImageClassification
As a Data Annotation Specialist and AI Trainer, I was responsible for annotating images, text, and video data to train AI models. My duties included evaluating and improving AI-generated responses, ensuring data quality, and adhering to strict annotation guidelines. I also contributed to developing chatbots through continual feedback and data preparation. • Labeled diverse datasets, including text, images, and video. • Provided feedback for enhancing AI model outputs. • Maintained high annotation accuracy standards. • Collaborated in iterative model training cycles.

As a Data Annotation Specialist and AI Trainer, I was responsible for annotating images, text, and video data to train AI models. My duties included evaluating and improving AI-generated responses, ensuring data quality, and adhering to strict annotation guidelines. I also contributed to developing chatbots through continual feedback and data preparation. • Labeled diverse datasets, including text, images, and video. • Provided feedback for enhancing AI model outputs. • Maintained high annotation accuracy standards. • Collaborated in iterative model training cycles.

2023 - Present

Education

M

Maseno University

Bachelor of Education, Education, Science, and Information Technology

Bachelor of Education
2017 - 2021
S

St Johns Malivani Secondary School

Kenya Certificate of Secondary Education, General Secondary Education

Kenya Certificate of Secondary Education
2013 - 2016

Work History

F

Freelance

Academic Writer

Nairobi City
2023 - Present
I

Imerit Scholars

Data annotation

Mumbai
2022 - 2025