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H
Hannah A.

Hannah A.

AI Data Annotator | Image & Video segmentation Specialist

Nigeria flagfagba, Nigeria

Key Skills

Software

TolokaToloka
Data Annotation TechData Annotation Tech

Top Subject Matter

E-commerce
Computer Vision
Artificial Intelligence & Machine Learning

Top Data Types

ImageImage
VideoVideo

Top Task Types

SegmentationSegmentation
ClassificationClassification

Freelancer Overview

I have experience working with research and survey datasets, where I was responsible for cleaning, organizing, validating, and analyzing data using STATA. During a reproductive health research project, I worked with large datasets, ensured data accuracy, identified inconsistencies, and followed structured procedures to produce reliable results. This experience helped me develop strong attention to detail and quality control skills, which are essential in data labeling and AI training tasks. Although I am new to formal AI training projects, I have a solid foundation in data management, research, and analytical thinking. I am fluent in English, Nigerian Pidgin English, and Yoruba, making me well-suited for language-related annotation, transcription, and AI training tasks. I am a quick learner, highly organized, and committed to delivering accurate, high-quality work while following project guidelines.

Labeling Experience

AI Image & Video Annotation Specialist

ImageImageSegmentationSegmentation

Performed image segmentation tasks on the Toloka platform to support the training and improvement of computer vision AI models. Accurately identified, segmented, and labeled objects within visual datasets while maintaining quality standards and meeting project requirements.

2024 - 2026

Education

O

Obafemi Awolowo University

Bachelor of Science, Demography and Social Statistics

Bachelor of Science
2019 - 2024

Work History

F

Frolics Pastries Company

Customer Service Representative

Ikeja
2019 - 2020
D

Divine Global Company

Personal assistant

Ikeja
2018 - 2019