For employers

Hire this AI Trainer

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

Invite to Job
Ibrahim Raheem

Ibrahim Raheem

AI Data Annotator

NIGERIA flag
Ibadan, Nigeria
$20.00/hrIntermediateMindriftToloka

Key Skills

Software

MindriftMindrift
TolokaToloka

Top Subject Matter

Nlp Domain Expertise
Chatbots Domain Expertise
Generative AI

Top Data Types

TextText
ImageImage
DocumentDocument

Top Label Types

Segmentation
Classification
Question Answering
Text Summarization
Evaluation Rating
Data Collection
Transcription
Fine Tuning
Text Generation
Point Key Point
Object Detection

Freelancer Overview

AI Data Annotator. Brings 9+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Mindrift, Toloka, and Populli AI. Education includes Master of Science, University of Ibadan (2024) and Bachelor of Science, Olabisi Onabanjo University (2018). AI-training focus includes data types such as Text and labeling workflows including Evaluation and Rating.

IntermediateArabicYorubaEnglish

Labeling Experience

Mindrift

AI Data Annotator

MindriftTextEvaluation Rating
As an AI Data Annotator, I performed high-quality text and image data annotation to train and improve machine learning models. My work focused on ensuring data accuracy, consistency, and adherence to project-specific guidelines. The details of my work include: Reviewed text prompts and AI-generated responses and assigned labels according to detailed annotation guidelines. Evaluated AI outputs for accuracy, relevance, clarity, coherence, and safety to improve language model performance. Identified errors, inconsistencies, and hallucinations in AI responses and provided corrective feedback. Applied structured annotation frameworks to support LLM fine-tuning and reinforcement learning workflows. Ensured consistency and high-quality annotations by following detailed instructions and reference examples. Participated in quality assurance processes including random audits and review checks to maintain dataset reliability. Collaborated with distributed teams to improve AI response quality, chatbot accuracy, and conversational relevance.

As an AI Data Annotator, I performed high-quality text and image data annotation to train and improve machine learning models. My work focused on ensuring data accuracy, consistency, and adherence to project-specific guidelines. The details of my work include: Reviewed text prompts and AI-generated responses and assigned labels according to detailed annotation guidelines. Evaluated AI outputs for accuracy, relevance, clarity, coherence, and safety to improve language model performance. Identified errors, inconsistencies, and hallucinations in AI responses and provided corrective feedback. Applied structured annotation frameworks to support LLM fine-tuning and reinforcement learning workflows. Ensured consistency and high-quality annotations by following detailed instructions and reference examples. Participated in quality assurance processes including random audits and review checks to maintain dataset reliability. Collaborated with distributed teams to improve AI response quality, chatbot accuracy, and conversational relevance.

2023 - Present

Data Annotator & Video Labeller (Remote)

VideoSegmentation
• Annotated video datasets and visual data for computer vision and machine learning applications. • Labeled objects, scenes, and movements in video frames to support AI training models. • Maintained high annotation accuracy and followed detailed labeling guidelines.

• Annotated video datasets and visual data for computer vision and machine learning applications. • Labeled objects, scenes, and movements in video frames to support AI training models. • Maintained high annotation accuracy and followed detailed labeling guidelines.

2025 - 2026

Voice AI Trainer / Voice Actor (Remote)

AudioQuestion Answering
• Participated in voice data collection and speech dataset development for training AI speech models. • Recorded and labeled voice samples to improve speech recognition and voice synthesis systems. • Evaluated AI-generated voice responses for clarity, pronunciation, and linguistic accuracy. • Assisted in training voice-enabled AI assistants and speech recognition models.

• Participated in voice data collection and speech dataset development for training AI speech models. • Recorded and labeled voice samples to improve speech recognition and voice synthesis systems. • Evaluated AI-generated voice responses for clarity, pronunciation, and linguistic accuracy. • Assisted in training voice-enabled AI assistants and speech recognition models.

2023 - 2025

Document Processing Trainee

TextText Generation
• Reviewed, edited, and corrected errors in documents including CVs, invoices, bank statements, and general business documents. • Converted documents between Microsoft Word and PDF formats. • Assisted clients with document formatting and proofreading. • Developed strong attention to detail in document accuracy and formatting standards.

• Reviewed, edited, and corrected errors in documents including CVs, invoices, bank statements, and general business documents. • Converted documents between Microsoft Word and PDF formats. • Assisted clients with document formatting and proofreading. • Developed strong attention to detail in document accuracy and formatting standards.

2012 - 2015

Education

U

University of Ibadan

Master of Science, Anatomy

Master of Science
2022 - 2024
O

Olabisi Onabanjo University

Bachelor of Science, Anatomy

Bachelor of Science
2014 - 2018

Work History

F

Freelance

Online Arabic and English Tutor

Ibadan
2021 - Present
A

As-Sirātal Mustaqeem Institute

Arabic Language and Qur’an Instructor

Ibadan
2021 - 2024