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J

John Mokaya

Data Annotator supporting AI training workflows

Kenya flagNairobi, Kenya
$5.00/hrIntermediateOtherAppenClickworker

Key Skills

Software

Other
AppenAppen
ClickworkerClickworker
CrowdSourceCrowdSource
Data Annotation TechData Annotation Tech

Top Subject Matter

AI/ML Data Annotation

Top Data Types

TextText
VideoVideo
DocumentDocument

Top Task Types

ClassificationClassification
SegmentationSegmentation
Object DetectionObject Detection
Question AnsweringQuestion Answering
TranscriptionTranscription

Freelancer Overview

Data Annotator supporting AI training workflows. Brings 4+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Other. Education includes Bachelor of Science, Kenyatta University (2021). AI-training focus includes data types such as Text and labeling workflows including Classification.

IntermediateEnglish

Labeling Experience

Data Annotator supporting AI training workflows

OtherTextClassification
I labeled and annotated text and structured data datasets with strict adherence to provided guidelines. I performed quality assurance and consistency checks to ensure high-quality and reliable data for machine learning models. I identified edge cases and resolved labeling inconsistencies to support robust AI training workflows. • Labeled and annotated textual and structured datasets. • Conducted QA reviews to ensure consistency and accuracy. • Evaluated AI outputs for alignment and correctness. • Used technical skills to support annotation quality and reliability.

I labeled and annotated text and structured data datasets with strict adherence to provided guidelines. I performed quality assurance and consistency checks to ensure high-quality and reliable data for machine learning models. I identified edge cases and resolved labeling inconsistencies to support robust AI training workflows. • Labeled and annotated textual and structured datasets. • Conducted QA reviews to ensure consistency and accuracy. • Evaluated AI outputs for alignment and correctness. • Used technical skills to support annotation quality and reliability.

2024 - 2024

Education

K

Kenyatta University

Bachelor of Science, Telecommunications and Information Engineering

Bachelor of Science
2021

Work History

P

Penta Marbles

Branding and Marketing Assistant

Nairobi
2024 - Present
A

Adamur

Blockchain Developer Intern

Nairobi
2025 - 2025