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Joseph WangombeJW
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Joseph Wangombe

@josephwangombe1

Transcriptionist and data annotation specialist supporting AI workflows with meticulous, high-accuracy data preparation.

Kenya
Message

What I'm looking for

I seek long-term or subscription-based roles where I can apply precise transcription and data annotation skills, follow strict guidelines, and support AI/data teams.

I am a detail-oriented Transcriptionist and Data Annotation Specialist with a BSc in Data Science and hands-on experience preparing high-quality text, audio, and image datasets for AI and machine-learning workflows. I consistently deliver accurate transcripts and annotations, perform quality reviews, and adhere strictly to guidelines to ensure reliable, compliant data for analysis and model training.

I have worked freelance as a General Transcriptionist and supported data annotation efforts at Safaricom, demonstrating strong attention to detail, fast learning, and reliability on subscription-based platforms. I am comfortable handling large, variable-quality datasets, meeting tight deadlines, and supporting long-term projects that require accuracy and consistency.

Experience

Work history, roles, and key accomplishments

Safaricom logoSA

Data Annotation Assistant

Safaricom

Jan 2023 - Dec 2023 (11 months)

Labeled and annotated text, image, and audio datasets following strict guidelines, performed quality checks, and corrected annotation errors to support AI and analysis workflows.

Education

Degrees, certifications, and relevant coursework

Udemy logoUD

Udemy

Certificate, Data Annotation

2023 - 2024

Completed a Data Annotation certificate program covering labeling and annotation techniques for text, audio, and image datasets.

University of Nairobi logoUN

University of Nairobi

Bachelor of Science, Data Science

2018 - 2022

Completed a Bachelor of Science in Data Science with coursework and projects focused on data analysis, statistics, and machine learning.

Tech stack

Software and tools used professionally

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Joseph Wangombe - Transcriptionist - Freelance | Himalayas