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John Mbevo

John Mbevo

Data Annotator (Freelance / Contract)

Kenya flagMeru, Kenya
$8.00/hrExpertOtherAppenCVAT

Key Skills

Software

Other
AppenAppen
CVATCVAT
iMeritiMerit
Micro1
TelusTelus
OneFormaOneForma

Top Subject Matter

General/nlp Domain Expertise
General/transcription Domain Expertise
Business

Top Data Types

TextText
AudioAudio
ImageImage
DocumentDocument

Top Task Types

Classification
Transcription
Bounding Box
Polygon
Text Generation
Fine Tuning
RLHF
Evaluation Rating
Function Calling
Prompt Response Writing SFT

Freelancer Overview

Data Annotator (Freelance / Contract). Brings 4+ years of professional experience across business operations, AI Agentic workflow, Multimodal annotation, compliance, and structured analysis. AI-training focus includes data types such as Text and Audio, and labeling workflows including Classification and Transcription. Education includes a Bachelor of Business Management from Kenya Methodist University (2025).

ExpertEnglishSwahili

Labeling Experience

Data Annotator (Freelance / Contract)

OtherTextClassification
As a freelance data annotator, I labeled and reviewed text data in accordance with detailed project guidelines. My work required strong attention to accuracy, consistency, and strict adherence to quality control metrics. I demonstrated adaptability to evolving instructions and varying data requirements throughout the contract period. • Labeled text according to classification guidelines • Conducted reviews for quality assurance • Adapted to evolving project needs • Maintained high levels of accuracy and consistency

As a freelance data annotator, I labeled and reviewed text data in accordance with detailed project guidelines. My work required strong attention to accuracy, consistency, and strict adherence to quality control metrics. I demonstrated adaptability to evolving instructions and varying data requirements throughout the contract period. • Labeled text according to classification guidelines • Conducted reviews for quality assurance • Adapted to evolving project needs • Maintained high levels of accuracy and consistency

2024 - 2026

Data Transcriptionist

OtherAudioTranscription
As a data transcriptionist, I accurately transcribed both audio and video files using standardized formatting and labeling practices. I ensured that grammar, punctuation, timestamps, and speaker identification strictly adhered to project quality standards. My ability to consistently meet deadlines contributed to high client satisfaction during my tenure. • Transcribed diverse audio sources • Applied accurate speaker labeling and timestamps • Verified grammar and punctuation compliance • Delivered transcriptions within set deadlines

As a data transcriptionist, I accurately transcribed both audio and video files using standardized formatting and labeling practices. I ensured that grammar, punctuation, timestamps, and speaker identification strictly adhered to project quality standards. My ability to consistently meet deadlines contributed to high client satisfaction during my tenure. • Transcribed diverse audio sources • Applied accurate speaker labeling and timestamps • Verified grammar and punctuation compliance • Delivered transcriptions within set deadlines

2022 - 2024

Education

K

Kenya Methodist University

Bachelor of Business Management, Business Management (Marketing)

Bachelor of Business Management
2022 - 2025

Work History

C

CITAM

Youth Head of Department and Advisory Board Member

Meru
2024 - Present
J

Jumlisha Marketing Agency

Marketing Consultant and Educator

Meru
2021 - Present