Vololonirina Z.

Key Skills

Software

Other

AWS SageMaker

Clickworker

CVAT

Data Annotation Tech

Labelbox

Toloka

Internal/Proprietary Tooling

Top Subject Matter

AI data annotation (image and video labeling)

AI data annotation (video labeling)

Legal Services & Contract Review

Top Data Types

Image

Video

Text

Document

Top Task Types

Classification

Action Recognition

Bounding Box

Segmentation

Polygon

Object Detection

Question Answering

Evaluation/Rating

Data Collection

Computer Programming/Coding

Freelancer Overview

I have experience working on data annotation and AI training projects involving image and video labeling across different platforms. My work required strong attention to detail, accuracy, and the ability to follow project guidelines while meeting productivity and quality expectations. I am also experienced in back-office operations, data entry, and handling large volumes of information within strict deadlines. In addition, I have experience in supervision and reporting, including monitoring team activities, managing production data, and ensuring workflow quality. My multitasking abilities, adaptability, and communication skills allow me to work efficiently both independently and within a team environment. I am highly motivated to continue developing my skills in AI training data and annotation projects.

Labeling Experience

AI & Data Annotation Experience

OtherImageClassification

Provided AI data annotation support with a focus on image-related tasks and guideline adherence. Labeled data accurately to support downstream AI training and model improvements. Maintained quality by following instructions and performing careful checks before submission. • Annotated image data according to labeling guidelines. • Ensured consistency and accuracy across labeled items. • Reviewed outputs for compliance with required formats. • Supported AI training/data labeling workflows.

2024 - Present

Image Annotation & Object Detection Project

ImageBounding Box

Worked on image annotation and object detection tasks using bounding box labeling techniques for AI training datasets. Responsibilities included identifying and labeling objects accurately according to project guidelines and quality standards. Maintained attention to detail while handling large datasets within deadlines to support machine learning and computer vision models.

2019 - Present

Image Annotation & Classification Project

ImageSegmentation

Worked on image annotation and classification tasks for AI training projects. Responsibilities included image segmentation, object labeling, and data classification while following project guidelines and quality standards. Handled large volumes of data with attention to detail and accuracy to support machine learning model training and improvement.

2019 - Present

AI & Data Annotation Experience

OtherVideoEvaluation/Rating

Performed video data annotation activities intended for AI training and evaluation. Applied labeling guidelines to produce usable annotations for model development. Maintained accuracy and attention to detail to reduce labeling errors. • Annotated video content following task guidelines. • Produced structured labels aligned with platform expectations. • Performed quality checks for correct labeling. • Ensured outputs were ready for AI training use.

2019 - Present

Education

Work History