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Kevin Ondari

Kevin Ondari

Transcription Specialist / Data Annotation for AI Speech-Recognition

Kenya flagNairobi, Kenya
$20.00/hrExpertOtherAppenCloudfactory

Key Skills

Software

Other
AppenAppen
CloudFactoryCloudFactory
Data Annotation TechData Annotation Tech
Img Lab

Top Subject Matter

Speech Recognition
Swahili/English ASR
AI/ML Data Annotation

Top Data Types

AudioAudio
VideoVideo
Computer Code ProgrammingComputer Code Programming

Top Task Types

Transcription
Text Generation
Question Answering
Data Collection
Computer Programming Coding

Freelancer Overview

Transcription Specialist / Data Annotation for AI Speech-Recognition. Brings 5+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Other. Education includes Bachelor of Science, The Technical University of Kenya (2022) and Kenya Certificate of Secondary Education, Nyambaria High School (2022). AI-training focus includes data types such as Audio and labeling workflows including Transcription.

ExpertEnglishSwahili

Labeling Experience

Transcription Specialist / Data Annotation for AI Speech-Recognition

OtherAudioTranscription
Transcribed and time-stamped audio files in Swahili and English for speech recognition projects. Reviewed and corrected machine-generated transcripts for phonetic and grammatical accuracy. Ensured consistency with client style guides and validated data for AI training datasets focused on East African dialects. • Achieved a 98% accuracy rate on quality audits. • Flagged and corrected audio segmentation errors to improve alignment. • Collaborated with remote managers to refine Swahili transcription guidelines. • Followed complex annotation instructions to deliver high-quality training data.

Transcribed and time-stamped audio files in Swahili and English for speech recognition projects. Reviewed and corrected machine-generated transcripts for phonetic and grammatical accuracy. Ensured consistency with client style guides and validated data for AI training datasets focused on East African dialects. • Achieved a 98% accuracy rate on quality audits. • Flagged and corrected audio segmentation errors to improve alignment. • Collaborated with remote managers to refine Swahili transcription guidelines. • Followed complex annotation instructions to deliver high-quality training data.

2023 - Present

Education

N

Nyambaria High School

Kenya Certificate of Secondary Education, General Secondary Education

Kenya Certificate of Secondary Education
2018 - 2022
T

The Technical University of Kenya

Bachelor of Science, Media and Information Technology

Bachelor of Science
2022

Work History

M

Mikes creation

Graph designer

Nairobi
2024 - Present
N

N/A

Customer Support / Virtual Assistant

Nairobi
2022 - Present