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V
Vincent Otieno

Vincent Otieno

Freelance Transcription & Data Annotation Specialist

Kenya flagRemote, Kenya
$15.00/hrExpertOther

Key Skills

Software

Other

Top Subject Matter

Audio Transcription for AI Dataset Creation
Swahili Text and Speech Annotation for NLP Tasks
Legal Services & Contract Review

Top Data Types

AudioAudio
TextText
DocumentDocument

Top Task Types

TranscriptionTranscription
ClassificationClassification

Freelancer Overview

Freelance Transcription & Data Annotation Specialist. Brings 5+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Other. Education includes Bachelor of Science, Kenyatta University (2024). AI-training focus includes data types such as Audio and Text and labeling workflows including Transcription and Classification.

ExpertEnglishSwahili

Labeling Experience

Freelance Transcription & Data Annotation Specialist

OtherAudioTranscription
In this role, I transcribed Swahili and English audio recordings with high accuracy and proper grammar. I reviewed and corrected AI-generated transcripts to improve clarity and coherence. I performed audio segmentation by identifying speaker changes and timestamps. • High-quality outputs ensured for AI training datasets • Maintained consistency with strict annotation guidelines • Worked on both Swahili and English audio files • Utilized various transcription and annotation tools

In this role, I transcribed Swahili and English audio recordings with high accuracy and proper grammar. I reviewed and corrected AI-generated transcripts to improve clarity and coherence. I performed audio segmentation by identifying speaker changes and timestamps. • High-quality outputs ensured for AI training datasets • Maintained consistency with strict annotation guidelines • Worked on both Swahili and English audio files • Utilized various transcription and annotation tools

2024 - Present

Data Annotation Assistant

OtherTextClassification
I annotated text and audio datasets for machine learning model training. I labeled speech patterns, intent, and linguistic structures in Swahili datasets. I maintained consistency and accuracy across large volumes of data. • Followed detailed annotation guidelines • Ensured high-quality outputs for AI models • Focused on Swahili linguistic features • Contributed to natural language understanding tasks

I annotated text and audio datasets for machine learning model training. I labeled speech patterns, intent, and linguistic structures in Swahili datasets. I maintained consistency and accuracy across large volumes of data. • Followed detailed annotation guidelines • Ensured high-quality outputs for AI models • Focused on Swahili linguistic features • Contributed to natural language understanding tasks

2023 - 2023

Education

K

Kenyatta University

Bachelor of Science, Information Technology

Bachelor of Science
2020 - 2024

Work History

N

N/A

Software Developer

Remote
2022 - Present
S

Safaricom

IT Support Intern

Nairobi
2023 - 2023