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N
Nnaemeka E.

Nnaemeka E.

AI Annotation Specialist

USA flagHouston, Usa

Key Skills

Software

AppenAppen
Data Annotation TechData Annotation Tech
DatatureDatature
TelusTelus
OneFormaOneForma
ClickworkerClickworker

Top Subject Matter

AI Annotation Specialist
Data Quality Reviewer
AI Annotation Specialist

Top Data Types

ImageImage
AudioAudio
DocumentDocument

Top Task Types

SegmentationSegmentation
Object DetectionObject Detection
Text GenerationText Generation
Text SummarizationText Summarization
Evaluation/RatingEvaluation/Rating
TranscriptionTranscription
Prompt + Response Writing (SFT)Prompt + Response Writing (SFT)
Data CollectionData Collection

Freelancer Overview

I am an AI data specialist with experience in data annotation, quality review, and language technology projects supporting machine learning and natural language processing (NLP) systems. My background includes working with large-scale text datasets, performing sentiment and intent classification, linguistic annotation, semantic analysis, and quality assurance to ensure high-quality training data. I hold a Master of Science in Computational Linguistics and a Bachelor of Science in Language & Information Studies, providing a strong foundation in language technologies and AI data development. In my roles with NLP Logix and OneForma, I have contributed to AI training data projects by annotating, validating, and reviewing datasets while adhering to detailed guidelines and quality standards. I am proficient in data quality assessment, Microsoft Excel, research operations, and working within distributed teams. My combination of academic expertise and hands-on experience in AI data collection and quality control enables me to deliver accurate, reliable, and scalable training data for AI and machine learning applications.

Labeling Experience

AI Text Annotation Specialist

TextTextEvaluation/RatingEvaluation/Rating

Annotate and label large-scale English text datasets for NLP and AI model training. Perform sentiment analysis, intent classification, topic categorization, and linguistic annotation tasks. Conduct quality reviews and consistency checks to ensure compliance with project guidelines and data quality standards. Support the development of high-quality training datasets used in machine learning applications.

2024 - Present

Data Quality Reviewer

DocumentDocumentEvaluation/RatingEvaluation/Rating

Review annotated datasets for semantic accuracy, consistency, and guideline adherence. Validate data quality and provide structured feedback to improve annotation performance. Use Microsoft Excel and internal quality tracking tools to monitor project outcomes and maintain quality standards.

2023 - 2024

Language Technology Intern

TextTextText SummarizationText Summarization

Performed text annotation, linguistic tagging, and dataset validation for language technology research projects. Assisted with data preparation, categorization, and quality assurance activities supporting NLP research and AI training data development.

2022 - 2023

Education

U

University of North Florida

Master of Science (MSc), Computer and Information Science

Master of Science (MSc)
2019 - 2021
U

University of North Florida

Bachelor of Science (BSc), Computer and Information Science

Bachelor of Science (BSc)
2012 - 2017

Work History

N

NLP Logix

AI Text Annotation Specialist

Houston
2024 - Present
O

Oneforma

Language Data Quality Reviewer

Houston
2023 - 2024