Valentine Ezenwafor

Key Skills

Software

Argilla

Labelbox

Lionbridge

Roboflow

AWS SageMaker

Top Subject Matter

No subject matter listed

Top Data Types

Text

Image

Document

Top Label Types

Entity Ner Classification

Classification

Bounding Box

RLHF

Text Summarization

Data Collection

Freelancer Overview

I am an experienced data analyst and QA expert with a strong background in data labeling, annotation, and AI training data projects. My work includes reviewing and categorizing products on e-commerce platforms, evaluating AI-generated responses for accuracy, and improving search engine algorithms through pairwise result analysis. I am proficient in providing constructive feedback and ensuring high-quality, timely deliverables. With hands-on experience in AI annotation and a solid foundation in Microsoft Office, graphic design, and front-end design, I am committed to delivering precise and reliable data to support machine learning and AI initiatives. My freelance experience has equipped me with excellent attention to detail and a proven track record of client satisfaction.

Labeling Experience

Search Relevance and Text Annotation for AI Training

ArgillaTextEntity Ner ClassificationClassification

Participated in a high-volume text annotation project for AI and NLP systems, focusing on text classification, intent tagging and content quality rating across high-volume text datasets. Labeled and reviewed thousands of text samples using structured guidelines and laying emphasis to precision, consistency and quality control checks to ensure dependable datasets for machine learning models.

Participated in a high-volume text annotation project for AI and NLP systems, focusing on text classification, intent tagging and content quality rating across high-volume text datasets. Labeled and reviewed thousands of text samples using structured guidelines and laying emphasis to precision, consistency and quality control checks to ensure dependable datasets for machine learning models.

2023 - 2023

Education

Work History