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Martha Afful

Martha Afful

Data Annotator Trainee (Certified)

Ghana flagAccra, Ghana
$10.00/hrEntry LevelOtherClickworkerLabel Studio

Key Skills

Software

Other
ClickworkerClickworker
Label StudioLabel Studio

Top Subject Matter

Computer Vision
E-commerce and retail
Education & E-learning

Top Data Types

ImageImage
TextText

Top Task Types

Bounding BoxBounding Box
SegmentationSegmentation
Object DetectionObject Detection

Freelancer Overview

Data Annotator Trainee (Certified). Brings 1+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Other. Education includes Bachelor of Arts, University of Ghana (2019). AI-training focus includes data types such as Image and labeling workflows including Bounding Box.

Entry LevelEnglish

Labeling Experience

Data Annotator Trainee (Certified)

OtherImageBounding Box
As a certified Data Annotator Trainee at DataLens Africa, I conducted extensive image annotation and labeling to support AI and machine learning model development. My work required pixel-level precision using bounding box and polygon segmentation techniques across diverse datasets. Maintaining data consistency, quality, and meeting project deadlines were central to my role. • Applied bounding box and polygon segmentation on images for computer vision tasks • Completed certified training in multimodal data annotation • Ensured data integrity across image labeling workflows • Delivered annotation tasks independently in a remote setting

As a certified Data Annotator Trainee at DataLens Africa, I conducted extensive image annotation and labeling to support AI and machine learning model development. My work required pixel-level precision using bounding box and polygon segmentation techniques across diverse datasets. Maintaining data consistency, quality, and meeting project deadlines were central to my role. • Applied bounding box and polygon segmentation on images for computer vision tasks • Completed certified training in multimodal data annotation • Ensured data integrity across image labeling workflows • Delivered annotation tasks independently in a remote setting

2026 - Present

Education

U

University of Ghana

Bachelor of Arts, Public Administration and Information Studies

Bachelor of Arts
2016 - 2019

Work History

G

Generation Ghana

Data Analyst Trainee

Accra
2025 - 2025
E

Elevvo Pathways

Data Analyst Intern

Accra
2025 - 2025