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C

Chikwadorom Benjamin

AI Data Annotator | Micro1AI

Nigeria flagEnugu, Nigeria
IntermediateLabel StudioCVAT

Key Skills

Software

Label StudioLabel Studio
CVATCVAT

Top Subject Matter

Nlp/sentiment/intent Domain Expertise
Conversational AI
Search Domain Expertise

Top Data Types

TextText
ImageImage
DocumentDocument

Top Task Types

ClassificationClassification

Freelancer Overview

AI Data Annotator | Micro1AI. Brings 10+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Label Studio and CVAT. Education includes Bachelor of Science, Enugu State University of Science and Technology (2024) and O’Level Certificate, Victory Comprehensive Secondary School (2015). AI-training focus includes data types such as Text and labeling workflows including Classification.

Intermediate

Labeling Experience

Label Studio

AI Data Annotator | Micro1AI

Label StudioTextClassification
As an AI Data Annotator at Micro1AI, I labeled and classified over 100 text and audio samples daily for NLP model training. My responsibilities included performing sentiment analysis, entity recognition, and intent tagging according to evolving guidelines. I identified and escalated ambiguous cases to the QA lead, significantly reducing rework. • Labeled large volumes of text and audio data with 98%+ accuracy. • Applied sentiment, entity, and intent annotation protocols. • Collaborated closely with remote QA and annotation teams. • Delivered high-quality datasets to drive ML model improvement.

As an AI Data Annotator at Micro1AI, I labeled and classified over 100 text and audio samples daily for NLP model training. My responsibilities included performing sentiment analysis, entity recognition, and intent tagging according to evolving guidelines. I identified and escalated ambiguous cases to the QA lead, significantly reducing rework. • Labeled large volumes of text and audio data with 98%+ accuracy. • Applied sentiment, entity, and intent annotation protocols. • Collaborated closely with remote QA and annotation teams. • Delivered high-quality datasets to drive ML model improvement.

2025 - Present
CVAT

Data Labeling Specialist | Outlier

CVATTextClassification
As a Data Labeling Specialist at Outlier, I annotated a variety of datasets focusing on conversational AI, search relevance, and content moderation. I maintained high quality scores across a large volume of tasks while adhering to throughput targets. My role involved reviewing peer submissions and ensuring compliance with strict guidelines. • Annotated conversational AI, search, and moderation datasets. • Consistently achieved 85% quality over 1,000+ tasks. • Provided peer feedback to enhance team performance. • Demonstrated pattern recognition and guideline adherence skills.

As a Data Labeling Specialist at Outlier, I annotated a variety of datasets focusing on conversational AI, search relevance, and content moderation. I maintained high quality scores across a large volume of tasks while adhering to throughput targets. My role involved reviewing peer submissions and ensuring compliance with strict guidelines. • Annotated conversational AI, search, and moderation datasets. • Consistently achieved 85% quality over 1,000+ tasks. • Provided peer feedback to enhance team performance. • Demonstrated pattern recognition and guideline adherence skills.

2024 - 2025

Education

E

Enugu State University of Science and Technology

Bachelor of Science, Anatomy

Bachelor of Science
2019 - 2024
V

Victory Comprehensive Secondary School

O’Level Certificate, General Secondary Education

O’Level Certificate
2009 - 2015

Work History

I

Ibrahim Badamasi Babangida University

Graduate Assistant

Lapai
2025 - 2025
N

National Orthopaedic Hospital Enugu

Laboratory Assistant

Enugu
2022 - 2022