Simon Nwigwe

Key Skills

Software

Appen

Argilla

Data Annotation Tech

Top Subject Matter

No subject matter listed

Top Data Types

Image

Text

Video

Top Label Types

Segmentation

Classification

Text Generation

Computer Programming Coding

Transcription

Freelancer Overview

I am an experienced data labeler and annotation specialist with a background in supporting AI-driven companies and research teams. My expertise spans annotating and labeling large-scale image and text datasets for machine learning, with a proven track record of delivering 99% accuracy through rigorous quality assurance. I am skilled in using annotation tools like Labelbox and CVAT, and have contributed to both NLP and computer vision projects. My strong project management skills help me efficiently handle large datasets, while my ability to present clear guidelines ensures smooth workflow execution for clients. I am passionate about enhancing AI model accuracy through high-quality data labeling and continuously seek to learn new annotation techniques and tools.

Labeling Experience

data annotation

AppenImageSegmentationClassification

Drew bounding boxes and polygons around people, vehicles, and everyday objects using tools like Labelbox/LabelImg; followed strict guidelines for overlap, occlusion, and edge accuracy to improve detection and tracking models.

Drew bounding boxes and polygons around people, vehicles, and everyday objects using tools like Labelbox/LabelImg; followed strict guidelines for overlap, occlusion, and edge accuracy to improve detection and tracking models.

2025 - 2025

Education

Work History