For employers

Hire this AI Trainer

Sign in or create an account to invite AI Trainers to your job.

Invite to Job
O
Oluwakoyejo A.

Oluwakoyejo A.

AI Training & Data Annotation Specialist (Freelance / Remote)

Nigeria flagAbeokuta, Nigeria

Key Skills

Software

Other
MercorMercor
OneFormaOneForma

Top Subject Matter

AI model output evaluation
dataset annotation
sentiment analysis

Top Data Types

TextText
AudioAudio
DocumentDocument

Top Task Types

Data CollectionData Collection
Question AnsweringQuestion Answering
Object DetectionObject Detection
TranscriptionTranscription

Freelancer Overview

AI Training & Data Annotation Specialist (Freelance / Remote). Brings 8+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Other and Google Workspace. Education includes Bachelor of Science, Federal University of Agriculture, Abeokuta (2025) and Degree in Project Management, Federal University of Agriculture, Abeokuta (2025). AI-training focus includes data types such as Text, Audio, and Document and labeling workflows including Evaluation, Rating, and Translation.

Labeling Experience

AI Training & Data Annotation Specialist (Freelance / Remote)

OtherTextText

Evaluated AI model outputs for accuracy, clarity, and relevance against expected quality criteria. Completed dataset annotation along with rewriting, classification, and sentiment analysis tasks. Performed quality assurance checks to ensure compliance with strict guidelines and deadlines. • Focused on AI output evaluation and relevance assessment • Annotated and enriched datasets with classification and sentiment labels • Conducted systematic QA to maintain guideline compliance • Delivered within time-bound freelance/remote workflow

2025 - 2025

Independent English Content Reviewer & Editor (Freelance / Remote)

OtherTextText

Reviewed complex written materials to improve clarity, structure, and adherence to quality standards. Conducted research to produce accurate summaries aligned with assigned guidelines. Ensured content quality through editing and quality-focused revisions. • Improved written clarity and organization • Performed research-driven summary creation • Applied quality standards during editing • Worked remotely as an independent content reviewer/editor

2024 - 2025

Virtual Assistant (Freelance / Remote)

DocumentDocumentData CollectionData Collection

Supported remote operations by managing email, scheduling, and document preparation. Handled confidential administrative tasks in a remote environment. Assisted with organization and task coordination to support ongoing work deliverables. • Managed administrative email and scheduling • Prepared and organized documents • Maintained confidentiality for sensitive tasks • Coordinated remote workflow support

2023 - 2024

AI Transcription & Localisation QA

OtherAudioAudio

Validated AI-generated transcriptions by checking grammar and contextual accuracy. Performed linguistic QA to ensure cultural relevance and consistency across localized content. Reviewed transcription output quality according to linguistic guidelines. • Grammar-focused transcription validation • Context accuracy checks for AI-generated text • Localization-oriented linguistic QA • Ensured cultural relevance and consistency

2022 - 2023

Education

W

Web3 FUNAAB

Leadership Skills Certification, Project Management Leadership

Leadership Skills Certification
2025 - 2025
W

Web3 FUNAAB

Community Management Certification, Web3 Community Leadership

Community Management Certification
2025 - 2025

Work History

T

The Altruism Youth Foundation

Secretary, Social Media Manager and Events Support

Abeokuta
2025 - Present
W

Web3 FUNAAB

Community Manager and Social Media Lead

Abeokuta
2025 - Present