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Fumbi Boluwatife Oguntoyinbo

Fumbi Boluwatife Oguntoyinbo

Data Annotation Specialist/AI Trainer

Nigeria flagAbuja, Nigeria
$15.00/hrIntermediateOther

Key Skills

Software

Other

Top Subject Matter

AI/Machine Learning
IT

Top Data Types

TextText
ImageImage
AudioAudio

Top Task Types

ClassificationClassification
Text GenerationText Generation
RLHFRLHF
TranscriptionTranscription
Evaluation/RatingEvaluation/Rating
Question AnsweringQuestion Answering

Freelancer Overview

Data Annotation Specialist. Brings 1-2 years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Other. Education includes Bachelor of Science, Computer science at National Open University of Nigeria (2025) and Ordinary National Diploma at Federal Polytechnic Bida (2020). AI-training focus includes data types such as image, text and labeling workflows including Classification.

IntermediateEnglishYoruba

Labeling Experience

AI Trainer

ImagePrompt Response Writing SFT
Evaluating, scoring and ranking text and images. Assessing quality, correctness, coherence and cultural alignment. Providing clear, consistent feedback following detailed guidelines. Identifying issues like bias, logical gaps or hallucinations (AI's "made-up" answers) and collaborating with quality leads and project managers to ensure excellence.

Evaluating, scoring and ranking text and images. Assessing quality, correctness, coherence and cultural alignment. Providing clear, consistent feedback following detailed guidelines. Identifying issues like bias, logical gaps or hallucinations (AI's "made-up" answers) and collaborating with quality leads and project managers to ensure excellence.

2025 - Present

Data Annotation Specialist

OtherImageClassification
As a Data Annotation Specialist, I supported AI projects through accurate data annotation and analysis for machine learning. I was responsible for classifying and validating textual data to enhance model training accuracy. I ensured all annotations were secure and quality-compliant while collaborating closely with cross-functional teams. • Conducted precise annotation and classification of text data sets. • Reviewed and validated all labels for accuracy and completeness. • Maintained data security and followed documentation standards. • Supported machine learning workflows and project deliverables.

As a Data Annotation Specialist, I supported AI projects through accurate data annotation and analysis for machine learning. I was responsible for classifying and validating textual data to enhance model training accuracy. I ensured all annotations were secure and quality-compliant while collaborating closely with cross-functional teams. • Conducted precise annotation and classification of text data sets. • Reviewed and validated all labels for accuracy and completeness. • Maintained data security and followed documentation standards. • Supported machine learning workflows and project deliverables.

2021 - 2022

Education

N

National Open University of Nigeria

Bachelor of Science, Computer Science

Bachelor of Science
2020 - 2025
F

Federal Polytechnic Bida

National Diploma, Computer Science

National Diploma
2017 - 2020

Work History

F

Freelance

AI Trainer

Abuja
2025 - Present
N

NHX Solutions

Administrative and Data Entry Officer

Abuja
2020 - Present