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Isaiah Olufemi

Isaiah Olufemi

AI Data & Language Specialist (Multilingual QA Dataset Developer)

NIGERIA flag
Lagos, Nigeria
$20.00/hrExpertCrowdsourceAppenScale AI

Key Skills

Software

CrowdSourceCrowdSource
AppenAppen
Scale AIScale AI

Top Subject Matter

Yoruba Linguistics & Cultural Semantics
Legal Services & Contract Review
Regulatory Compliance & Risk Analysis

Top Data Types

TextText
DocumentDocument
ImageImage

Top Task Types

Question Answering
Segmentation
Object Detection
Evaluation Rating

Freelancer Overview

AI Data & Language Specialist (Multilingual QA Dataset Developer). Professional background includes roles such as Language Specialist / Translator and Language Reviewer & Research Contributor. Core strengths include Internal and Proprietary Tooling. Education includes Bachelor's Degree, N/A. AI-training focus includes data types such as Text and labeling workflows including Question Answering.

ExpertFrenchYorubaEnglishSpanish

Labeling Experience

AI Data & Language Specialist (Multilingual QA Dataset Developer)

TextQuestion Answering
Developed structured multilingual question–answer datasets designed to test reasoning depth for AI models. Evaluated AI-generated responses for factual accuracy, clarity, and logical consistency. Applied cross-referencing methods to ensure data verifiability and minimize linguistic ambiguity. • Built and curated high-quality question–answer pairs for training and benchmarking multilingual AI. • Performed manual and automated assessments of dataset accuracy and logical integrity. • Conducted annotation and quality assurance to reduce hallucination risk in language models. • Incorporated authentic, culturally nuanced content for native Yoruba and English AI training.

Developed structured multilingual question–answer datasets designed to test reasoning depth for AI models. Evaluated AI-generated responses for factual accuracy, clarity, and logical consistency. Applied cross-referencing methods to ensure data verifiability and minimize linguistic ambiguity. • Built and curated high-quality question–answer pairs for training and benchmarking multilingual AI. • Performed manual and automated assessments of dataset accuracy and logical integrity. • Conducted annotation and quality assurance to reduce hallucination risk in language models. • Incorporated authentic, culturally nuanced content for native Yoruba and English AI training.

2022 - Present

Education

L

Lagos State University

Bachelor's Degree, linguistics

Bachelor's Degree
2021 - 2025

Work History

M

Matific

Educational Content Contributor

Lagos
Not specified
C

Cactus Global

Language Reviewer & Research Contributor

Lagos
Not specified