Rosewinnie N.

Key Skills

Software

Sama

Top Subject Matter

AI data annotation for computer vision datasets

AI training data annotation for computer vision

Top Data Types

Image

Top Task Types

Segmentation

Bounding Box

Polygon

Classification

Cuboid

Freelancer Overview

AI Data Annotation Assistant (Associate at Sama AI Data Annotation Assistant). Brings 10+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Sama. Education includes Professional Certificate, Udacity and Professional Certificate, ALX Foundation (2026). AI-training focus includes data types such as Image and labeling workflows including Segmentation.

Labeling Experience

Associate at Sama — AI Data Annotation Assistant

SamaImageSegmentation

Collaborated on large-scale machine learning dataset labeling by annotating 2D and 3D images and video data with high accuracy. Followed project instructions while ensuring labeled data quality and consistency across the dataset. Participated in review and validation cycles to support model performance improvements. • 2D and 3D image/video annotation • Dataset labeling for ML training • Review and validation for quality improvement • Resolving annotation ambiguities with the team

2017 - 2025

AI Data Annotation Assistant (Associate at Sama AI Data Annotation Assistant)

SamaImageSegmentation

Performed high-accuracy 2D and 3D image annotations following project guidelines for machine learning use cases. Labeled datasets with an emphasis on consistency across samples. Reviewed and validated completed annotations to improve downstream model performance and quality control. • 2D/3D image and video dataset labeling • Consistency and quality control checks • Annotation review and validation • Team collaboration to resolve labeling ambiguities

2017 - 2017

Education

Work History