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Y
Yusuf

Yusuf

AI Quality Analyst | AI Trainer | LLM Evaluation Specialist

Nigeria flagIpaja, Nigeria

Key Skills

Software

ClickworkerClickworker
CVATCVAT
iMeritiMerit
LabelboxLabelbox
Label StudioLabel Studio
LionbridgeLionbridge
MercorMercor
Micro1
SuperAnnotateSuperAnnotate

Top Subject Matter

My strongest subject matter areas include AI training
data annotation
AI quality assurance
machine learning evaluation. I have experience working across multimodal datasets (text
image

Top Data Types

ImageImage
VideoVideo
TextText

Top Task Types

Bounding BoxBounding Box
TranscriptionTranscription
Audio RecordingAudio Recording
Prompt + Response Writing (SFT)Prompt + Response Writing (SFT)
Data CollectionData Collection
Evaluation/RatingEvaluation/Rating

Freelancer Overview

I have experience supporting AI training and data annotation workflows through structured review, validation, and quality assurance of labeled datasets. My work includes reviewing and refining model-generated annotations to improve accuracy, validating temporal alignment and activity boundaries, and ensuring outputs meet project specifications and quality standards. I also evaluate and edit captions and labels for clarity, consistency, and atomicity so that each annotation represents a single, independent action or concept. In addition, I collaborate with project teams and reviewers to resolve edge cases, improve annotation guidelines, and contribute to model performance through high-quality human feedback. My experience combines analytical attention to detail, adherence to labeling standards, and the ability to make reasoned judgments across data evaluation tasks to support the development and optimization of AI systems.

Labeling Experience

Yes, I have experience in data labeling and AI training support, including annotation review, quality assurance, caption

Yes, I have experience in data labeling and AI training support, including annotation review, quality assurance, caption validation, and evaluating model-generated outputs to ensure accuracy and alignment with project guidelines.

Not specified

Education

U

University of Lagos, Nigeria.

I earned a Bachelor’s degree

I earned a Bachelor’s degree
Not specified

Work History

O

Otako

I worked as a Quality Analyst

Location not specified
Not specified