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Abdullahi Sulaiman

Abdullahi Sulaiman

AI Data Annotator - Machine Learning Models

NIGERIA flag
Kaduna, Nigeria
$15.00/hrExpertInternal Proprietary ToolingOther

Key Skills

Software

Internal/Proprietary Tooling
Other

Top Subject Matter

No subject matter listed

Top Data Types

AudioAudio
TextText
VideoVideo

Top Label Types

Classification
Question Answering
Evaluation Rating
Data Collection

Freelancer Overview

I am a detail-oriented AI data annotator and reviewer with hands-on experience labeling, reviewing, and validating text, image, and voice datasets for machine learning models. My background spans multiple domains and platforms, including Sahara AI, Public AI, Perle Labs, and others, where I have worked on large-scale projects involving structured and unstructured data. I am skilled in quality assurance, prompt testing, transcription, and content moderation, and I am fluent in English, Arabic, and Hausa. My strong analytical and engineering skills enable me to deliver high-accuracy training data that improves AI system performance, and I am committed to maintaining strict compliance with annotation guidelines and quality benchmarks across all projects.

ExpertEnglishArabicHausa

Labeling Experience

Data Annotator & Data Analyst – Perle Labs

OtherImageBounding BoxClassification
At Perle Labs, I served as both Data Annotator and Data Analyst, working with structured and unstructured data for AI training purposes. My role encompassed labeling, review, and comprehensive data validation to ensure data integrity. I regularly assisted in identifying dataset trends to refine annotation accuracy. • Labeled both structured and unstructured text data • Performed in-depth validation and review processes • Assisted in dataset analysis for better annotation outcomes • Improved annotation quality through iterative feedback and adjustments.

At Perle Labs, I served as both Data Annotator and Data Analyst, working with structured and unstructured data for AI training purposes. My role encompassed labeling, review, and comprehensive data validation to ensure data integrity. I regularly assisted in identifying dataset trends to refine annotation accuracy. • Labeled both structured and unstructured text data • Performed in-depth validation and review processes • Assisted in dataset analysis for better annotation outcomes • Improved annotation quality through iterative feedback and adjustments.

2025

Data Annotator – Public AI

OtherAudioQuestion AnsweringData Collection
In the role of Data Annotator at Public AI, I annotated, labeled, and reviewed AI voice training data for multiple speech recognition projects. I systematically evaluated speech recordings for clarity and contextual relevance and performed detailed linguistic validation. My responsibilities extended to transcription tasks crucial for model accuracy and effectiveness. • Labeled audio datasets for voice and speech model training • Verified quality and accuracy of speech recordings • Conducted transcription and linguistic validation • Supported continuous improvement in dataset quality for speech AI models.

In the role of Data Annotator at Public AI, I annotated, labeled, and reviewed AI voice training data for multiple speech recognition projects. I systematically evaluated speech recordings for clarity and contextual relevance and performed detailed linguistic validation. My responsibilities extended to transcription tasks crucial for model accuracy and effectiveness. • Labeled audio datasets for voice and speech model training • Verified quality and accuracy of speech recordings • Conducted transcription and linguistic validation • Supported continuous improvement in dataset quality for speech AI models.

2025

Freelance AI Data Annotator (Luel, Sahara AI, Public AI, Perle Labs, Atlas Capture)

OtherTextEvaluation RatingData Collection
Through various platforms and freelance projects, I completed annotation tasks on text, image, and audio datasets across diverse domains. I participated in large language model evaluations and response quality assessments to support advanced AI development. These projects demanded a multifaceted approach to labeling and prompt testing. • Labeled and reviewed multiple data types: text, image, audio • Contributed to LLM evaluation and feedback workflows • Assessed prompt responses for quality and relevance • Adapted annotation skills to various platforms and project requirements.

Through various platforms and freelance projects, I completed annotation tasks on text, image, and audio datasets across diverse domains. I participated in large language model evaluations and response quality assessments to support advanced AI development. These projects demanded a multifaceted approach to labeling and prompt testing. • Labeled and reviewed multiple data types: text, image, audio • Contributed to LLM evaluation and feedback workflows • Assessed prompt responses for quality and relevance • Adapted annotation skills to various platforms and project requirements.

2024

Data Annotator – Sahara AI

Internal Proprietary ToolingTextClassificationQuestion Answering
As a Data Annotator at Sahara AI, I annotated and reviewed large-scale AI training datasets involving text, images, and multimodal data. I followed detailed annotation guidelines and maintained high quality and consistency throughout each project. My efforts were central to resolving inconsistencies and improving overall model performance. • Conducted end-to-end data labeling and annotation of various data types • Strictly adhered to annotation protocols and industry benchmarks • Performed quality checks and addressed labeling discrepancies • Actively contributed to the continual optimization of labeling workflows.

As a Data Annotator at Sahara AI, I annotated and reviewed large-scale AI training datasets involving text, images, and multimodal data. I followed detailed annotation guidelines and maintained high quality and consistency throughout each project. My efforts were central to resolving inconsistencies and improving overall model performance. • Conducted end-to-end data labeling and annotation of various data types • Strictly adhered to annotation protocols and industry benchmarks • Performed quality checks and addressed labeling discrepancies • Actively contributed to the continual optimization of labeling workflows.

2024

Education

A

Ahmadu Bello University

Bachelor of Engineering, Engineering

Bachelor of Engineering
2012 - 2017

Work History

N

Nigerian Institute of Transport Technology

Research Engineer, Tutuor

Zaria
2020 - Present
N

Nigerian Institute of Transport Technology

Research Engineer, Tutuor

Zaria
2020 - Present