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Haron Mbithi

@haronmbithi

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I am a data annotator specializing in image/video labeling and quality assurance.

Kenya

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What I'm looking for

I seek a collaborative role in data annotation or QA where I can apply CVAT and annotation tools, ensure high-quality labeled datasets, and grow within ML data operations.

I’m Haron Mbithi, a Data Annotation Specialist with 4+ years of experience in computer vision workflows. I’ve contributed to high precision datasets for machine learning models in sports analytics, retail tech and autonomous systems. My expertise includes bounding boxes, polygons, segmentation masks and classification tasks using CVAT and Hasty. I’ve worked on live broadcast labeling, sponsor visibility metrics and active learning prioritization. I collaborate effectively with QA teams to refine workflows and ensure data integrity. With a Bachelor of Technology in Computer and Information Sciences, I bring both technical skill and attention to detail. Fluent in English and Kiswahili, I’m committed to delivering accurate, consistent annotations that enhance AI performance and model reliability across diverse domains

Experience

Work history, roles, and key accomplishments

Current

Data Annotation

Current

CloudFactory

Feb 2024 - Present (1 year 8 months)

Data annotator at Cloudfactory
Responsibilities
1. Data Labeling
2. Quality Assurance
3. Tool Usage
4. Adhering to Guidelines
5. Collaboration
6. Time Management

Data Annotator

ACV Auctions

Jul 2020 - Jan 2024 (3 years 6 months)

1.Annotated images and video using CVAT tools bounding boxes, polygons, polylines, and segmentation masks.
2.Labeled datasets for object detection, classification, and segmentation tasks according to project guidelines.
3.Reviewed and corrected annotations to meet quality assurance standards.
4.Met daily productivity and accuracy targets while working on tight deadlines