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R
Regina Kariuki

Regina Kariuki

Data Annotation Specialist

Kenya flagNairobi, Kenya
$40.00/hrIntermediateCVATLabelboxSupervisely

Key Skills

Software

CVATCVAT
LabelboxLabelbox
SuperviselySupervisely
ClickworkerClickworker
ArgillaArgilla

Top Subject Matter

General AI/Computer Vision
Legal Services & Contract Review
Regulatory Compliance & Risk Analysis

Top Data Types

ImageImage
TextText
VideoVideo

Top Task Types

PolygonPolygon
Bounding BoxBounding Box
SegmentationSegmentation
ClassificationClassification

Freelancer Overview

Data Annotation Specialist. Brings 5+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include CVAT, Labelbox, and Supervisely. Education includes Bachelor of Education Arts, Zetech University (2025) and Kenya Certificate of Secondary Education, Kiriaini Girls (2022). AI-training focus includes data types such as Image and labeling workflows including Polygon.

IntermediateEnglishSwahili

Labeling Experience

CVAT

Data Annotation Specialist

CVATImagePolygon
As a Data Annotation Specialist, I annotated large-scale image datasets using polygon segmentation and bounding box techniques for AI development. I maintained high accuracy and consistency by strictly adhering to annotation guidelines and performing systematic quality checks. My work contributed directly to the reliability and usability of AI training data. • Utilized annotation tools such as CVAT, Labelbox, and Supervisely for efficient labeling. • Consistently met or exceeded productivity and quality targets in a remote setting. • Identified and flagged ambiguous data and edge cases to improve dataset quality. • Incorporated feedback from reviews for continuous improvement.

As a Data Annotation Specialist, I annotated large-scale image datasets using polygon segmentation and bounding box techniques for AI development. I maintained high accuracy and consistency by strictly adhering to annotation guidelines and performing systematic quality checks. My work contributed directly to the reliability and usability of AI training data. • Utilized annotation tools such as CVAT, Labelbox, and Supervisely for efficient labeling. • Consistently met or exceeded productivity and quality targets in a remote setting. • Identified and flagged ambiguous data and edge cases to improve dataset quality. • Incorporated feedback from reviews for continuous improvement.

2023 - 2024

Education

Z

Zetech University

Bachelor of Education Arts, Education Arts (English and Literature)

Bachelor of Education Arts
2022 - 2025
K

Kiriaini Girls

Kenya Certificate of Secondary Education, General Secondary Education

Kenya Certificate of Secondary Education
2018 - 2022

Work History

C

CCI Kenya

Customer Care Agent

Nairobi
2025 - 2026
G

Green Palace Hotel

Senior Waitress

Kikuyu
2025 - 2025