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Collins Chumba

@collinschumba

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AI training and data annotation specialist skilled in linguistic annotation, transcription, and quality assurance.

Kenya

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What I'm looking for

I seek roles in AI training or data annotation where I can apply linguistic expertise, high accuracy, collaborative QA work, and opportunities to automate and improve data workflows.

I am an AI training and data annotation specialist with hands-on experience labeling text, image, and audio datasets for model training, and with strong linguistic annotation skills in English and Swahili. I consistently deliver high-accuracy results (often >98%), collaborate with QA teams, and adapt quickly to new project requirements.

Previously I supported analytics and customer-insight teams at Safaricom PLC as an IT Assistant & Data Support Intern, using Excel macros and basic Python to automate reporting tasks and organize data for dashboards. I bring disciplined attention to detail, strong research and editing abilities, and a commitment to consistent execution in AI data projects.

Experience

Work history, roles, and key accomplishments

Current

Data Annotator

Current

Various AI Training Firms

Jan 2022 - Present (3 years 11 months)

Labeled and evaluated text, image, and audio datasets for AI training, performed linguistic annotation in English and Swahili, and maintained >98% accuracy while delivering projects on time.

Data Annotation Linguistic Annotation Transcription Quality Assurance Prompt Evaluation Swahili English Attention To Detail

IT Assistant & Data Support Intern

Safaricom PLC

May 2020 - Dec 2021 (1 year 7 months)

Supported analytics and customer insight teams by preparing and organizing data for dashboards and reports, automated routine reporting with Excel macros and basic Python, and improved data documentation and processes.

Excel Excel Macros Python Reporting Documentation Data Analysis