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Serene C.

Serene C.

Data Labelling Specialist

Nigeria flagN/A, Nigeria

Key Skills

Software

Other
ClickworkerClickworker
CrowdFlowerCrowdFlower
RemotasksRemotasks
Scale AIScale AI

Top Subject Matter

AI Image Data
Medical Imaging
Super-resolution Domain Expertise

Top Data Types

ImageImage
TextText
DocumentDocument

Top Task Types

SegmentationSegmentation
Bounding BoxBounding Box
ClassificationClassification
Point/Key PointPoint/Key Point
Object DetectionObject Detection

Freelancer Overview

Data Labelling Specialist. Brings 8+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Other. Education includes National Certificate in Education, N/A (2019) and West African Senior School Certificate, N/A (2017). AI-training focus includes data types such as Image and labeling workflows including Bounding Box, Segmentation, and Evaluation.

Labeling Experience

Freelance Data Annotation & Segmentation Specialist

OtherImageImageSegmentationSegmentationObject DetectionObject Detection

As an AI Data Labeling Specialist, I performed accurate and guideline-driven annotation of image and video data for machine learning projects. I executed segmentation tasks, focusing on precise object and action separation, while ensuring thorough scene-level detail for AI training workflows. I conducted quality reviews, corrected annotation errors, and applied reviewer feedback to improve dataset integrity. • Labeled object boundaries and actions in images and videos using segmentation techniques. • Reviewed and evaluated AI-generated annotation outputs for accuracy and completeness. • Maintained productivity while rigorously following complex project guidelines and instructions. • Utilized multiple labeling platforms, adhering to best practices for clean dataset preparation.

2025 - Present

Independent AI Content Evaluator & Research Support

OtherTextText

I evaluated AI-generated text content, comparing prompts and responses to ensure clarity, helpfulness, and policy alignment. Using structured guidelines, I classified text, reviewed content, and validated data for use in training language models. I produced example work and qualification test samples for AI content evaluation workflows. • Performed text classification and content review for language model training tasks. • Assessed prompts and responses to support structured data collection and accurate AI output validation. • Applied research and fact-checking to maintain text data quality and guideline compliance. • Prepared test samples for qualification on labeling platforms.

Present

Education

N

N/A

National Certificate in Education, Education and Language Teaching

National Certificate in Education
2017 - 2019
N

N/A

Senior Secondary School Certification, General Secondary Education

Senior Secondary School Certification
2017 - 2017

Work History

F

Freelance

Content Writer & Copywriter

N/A
2024 - Present
I

Independent Projects

Voice Narrator and Script Performer

N/A
2019 - Present