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JOHN MBURU

@johnmburu

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Results-driven AI Data Annotation Specialist with proven expertise.

Kenya

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What I'm looking for

I am seeking opportunities that allow me to leverage my data annotation skills in a collaborative environment, focusing on quality and precision.

I am an AI Data Annotation Specialist with a strong focus on delivering high-quality data labeling and annotation accuracy. My experience at Sama has equipped me with the skills to use advanced annotation tools effectively, ensuring meticulous quality control in all my projects. I pride myself on my attention to detail, which has been crucial in maintaining high standards in annotation accuracy.

Throughout my career, I have handled diverse data types, including images, text, audio, and video, applying precise and consistent annotations to improve AI model performance. My training at Aviation College and my role as a Transcriptionist at REV have further honed my skills in transcription accuracy and quality control. I am adept at following project-specific guidelines and ensuring that all annotations meet the required standards.

Experience

Work history, roles, and key accomplishments

Image and Lidar Annotator

Sama

Jan 2021 - Mar 2025 (4 years 2 months)

Tagged images, text, audio, and video with relevant labels, ensuring precise and consistent annotations to improve AI model performance. Utilized advanced annotation tools such as Labelbox and CVAT, while adhering to project-specific guidelines and performing quality control to maintain high data quality across various data formats.

Data Labeling Annotation Accuracy Labelbox CVAT Quality Control Annotating

Transcriptionist

REV

Feb 2019 - Nov 2020 (1 year 9 months)

Transcribed audio recordings into text with high accuracy, performing meticulous proofreading and editing for spelling, grammar, and punctuation errors. Ensured adherence to specific formatting guidelines, including time stamping and speaker identification, while researching terminology for accurate transcription.

Transcription Proofreading Editing Text Formatting Time Stamping Speaker Identification High Accuracy

Education

Degrees, certifications, and relevant coursework

Aviation College

Associate Of Applied Science, Computer Engineering

Completed an Associate of Applied Science in Computer Engineering. Gained fundamental knowledge in computer systems, hardware, and software principles.