Victoria N.

Key Skills

Software

CVAT

Sama

iMerit

Telus

Top Subject Matter

Machine Learning / Computer Vision

AI Model Dataset Preparation

Quality Assurance - Data Labeling

Top Data Types

Image

Text

Document

Top Task Types

Bounding Box

Classification

Polygon

Polyline

Transcription

Point/Key Point

Segmentation

Object Detection

Data Collection

Freelancer Overview

Data Analyst (CVAT AI). Brings 4+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include CVAT, Sama, and Other. Education includes Certificate, Arizona State University (2023) and Diploma, Mount Kenya University (2016). AI-training focus includes data types such as Image and labeling workflows including Bounding Box and Classification.

Labeling Experience

Data Annotator (Impact Outsourcing Company)

OtherImageClassification

As a Data Annotator at Impact Outsourcing Company, I entered, verified, and corrected annotated data in distributed datasets. I reviewed datasets to ensure accuracy and integrity for various labeling projects. All work supported proper data pipeline maintenance and dataset quality. • Performed detailed data entry and correction. • Ensured labeling integrity and quality. • Supported dataset quality checks. • Contributed to reliable data pipelines.

2024 - Present

Data Analyst (CVAT AI)

CVATImageBounding Box

As a Data Analyst at CVAT AI, I annotated images, videos, and point cloud datasets for machine learning applications. I maintained high annotation accuracy and conducted quality control reviews to ensure consistency. Additionally, I collaborated with ML engineers and optimized workflows. • Annotated image, video, and point cloud data using CVAT. • Reduced downstream model errors through quality control. • Contributed to workflow and process optimization. • Performed data preprocessing tasks.

2024 - Present

Reviewer / Validator (Samasource)

SamaImageBounding Box

Reviewed annotated datasets to ensure strict compliance with guidelines and high-quality outputs. Identified and corrected errors in labels and bounding boxes, maintaining integrity across image, video, and audio data. Provided feedback to annotators and managed audit processes for final data approvals. • Conducted quality control on annotation outputs. • Provided corrections and continual training feedback. • Managed consistency and accuracy across datasets. • Approved high-quality submissions for clients.

2021 - 2026

Data Annotation Specialist (Samasource)

SamaImageBounding Box

I annotated and validated large-scale image, video, and audio datasets for AI model development. Performed quality assurance checks and enhanced dataset accuracy through guideline compliance. Handled tasks such as pairwise comparison, transcription, prompt writing, and translation. • Annotated diverse multimedia datasets for AI projects. • Ensured dataset accuracy through repeated validation. • Supported audio transcription and translation. • Conducted prompt engineering for AI data.

2017 - 2026

Team Captain (Samasource)

SamaImageBounding Box

As Team Captain at Samasource, I supervised annotators and ensured daily targets were met while maintaining high performance and efficiency. Coordinated team meetings, tracked progress, and resolved challenges to optimize annotation workflows. Drove team success through mentoring and workflow improvements. • Led a team of annotators on multiple projects. • Maintained productivity and quality standards. • Facilitated workflow efficiency and goal setting. • Developed solutions to team challenges.

2019 - 2020

Education

Work History