Key Skills

Software

CVAT

Labelbox

Other

Top Subject Matter

Autonomous Systems AI

Computer Vision and Natural Language Processing

Natural Language Processing

Top Data Types

Image

Text

Audio

Top Task Types

Segmentation

Classification

Entity (NER) Classification

Transcription

Data Collection

Freelancer Overview

Data Labelling Expert (Freelance). Core strengths include CVAT, Labelbox, and Audacity. Education includes translating field observations into, Led technical data collection for scientific research (2025). AI-training focus includes data types such as Image, Text, and Audio and labeling workflows including Segmentation, Classification, and Entity (NER) Classification.

Labeling Experience

AI Data Specialist & Trainer (Freelance)

AudioTranscription

As an AI Data Specialist & Trainer (Freelance), I collected and transcribed large-scale audio datasets for speech-to-text and multimodal models. I ensured high-language proficiency and accuracy in Hausa and English audio annotation. I automated artifacts removal and noise reduction to deliver clean training inputs for machine learning models. • Conducted audio data transcription for speech recognition systems. • Maintained native-level accuracy for multiple language datasets. • Normalized and cleaned audio data before annotation. • Applied automated and manual processes for QC.

As an AI Data Specialist & Trainer (Freelance), I collected and transcribed large-scale audio datasets for speech-to-text and multimodal models. I ensured high-language proficiency and accuracy in Hausa and English audio annotation. I automated artifacts removal and noise reduction to deliver clean training inputs for machine learning models. • Conducted audio data transcription for speech recognition systems. • Maintained native-level accuracy for multiple language datasets. • Normalized and cleaned audio data before annotation. • Applied automated and manual processes for QC.

2024 - Present

AI Data Specialist & Trainer (Freelance)

LabelboxTextEntity Ner Classification

As an AI Data Specialist & Trainer (Freelance), I curated large-scale text and audio datasets in English and Hausa. I performed tasks such as sentiment analysis, NER, and multi-modal data harmonization. I managed dataset validation and annotation, focusing on linguistic precision and data quality. • Conducted NER and sentiment analysis for NLP models. • Harmonized multi-modal datasets for AI applications. • Ensured linguistic accuracy for native-level Hausa and English data. • Utilized automated tools for text normalization and cleaning.

As an AI Data Specialist & Trainer (Freelance), I curated large-scale text and audio datasets in English and Hausa. I performed tasks such as sentiment analysis, NER, and multi-modal data harmonization. I managed dataset validation and annotation, focusing on linguistic precision and data quality. • Conducted NER and sentiment analysis for NLP models. • Harmonized multi-modal datasets for AI applications. • Ensured linguistic accuracy for native-level Hausa and English data. • Utilized automated tools for text normalization and cleaning.

2024 - Present

AI Data Specialist & Trainer (Freelance)

LabelboxImageClassification

As an AI Data Specialist & Trainer (Freelance), I developed end-to-end data pipelines for Computer Vision and NLP. I performed multi-stage media enhancement, processing, and curated high-volume text and audio datasets. I automated data cleaning and normalization using technical scripts and AI-driven tools. • Managed and processed image, video, audio, and text data. • Automated normalization and data enhancement for model readiness. • Preserved linguistic integrity for English and Hausa datasets. • Ensured high volume, high fidelity pipeline output.

As an AI Data Specialist & Trainer (Freelance), I developed end-to-end data pipelines for Computer Vision and NLP. I performed multi-stage media enhancement, processing, and curated high-volume text and audio datasets. I automated data cleaning and normalization using technical scripts and AI-driven tools. • Managed and processed image, video, audio, and text data. • Automated normalization and data enhancement for model readiness. • Preserved linguistic integrity for English and Hausa datasets. • Ensured high volume, high fidelity pipeline output.

2024 - Present

Data Labelling Expert (Freelance)

CVATImageSegmentation

As a Data Labelling Expert (Freelance), I executed complex annotation tasks including pixel-level semantic segmentation and high-precision object detection for autonomous systems. I participated in rigorous quality control workflows to assure ground-truth accuracy in multi-modal training sets. I also guided dataset construction by defining labeling taxonomies and edge-case handling protocols. • Performed semantic segmentation and object detection for computer vision systems. • Defined complex labeling taxonomies to handle diverse data types. • Maintained strict accuracy and QC processes throughout. • Contributed to multi-modal dataset annotation integrating image, video, audio, and text.

As a Data Labelling Expert (Freelance), I executed complex annotation tasks including pixel-level semantic segmentation and high-precision object detection for autonomous systems. I participated in rigorous quality control workflows to assure ground-truth accuracy in multi-modal training sets. I also guided dataset construction by defining labeling taxonomies and edge-case handling protocols. • Performed semantic segmentation and object detection for computer vision systems. • Defined complex labeling taxonomies to handle diverse data types. • Maintained strict accuracy and QC processes throughout. • Contributed to multi-modal dataset annotation integrating image, video, audio, and text.

2024 - Present

Technical Research & Data Consultant

OtherTextData Collection

As a Technical Research & Data Consultant, I led technical data collection for scientific research and model training. I translated raw field observations into structured annotated datasets for AI pipelines. I curated and analyzed datasets for blockchain and fintech predictive modeling. • Collected and structured scientific and fintech data for AI projects. • Converted unstructured field data into training-ready formats. • Supported predictive modeling through curated data sources. • Ensured dataset quality through technical QA and review processes.

As a Technical Research & Data Consultant, I led technical data collection for scientific research and model training. I translated raw field observations into structured annotated datasets for AI pipelines. I curated and analyzed datasets for blockchain and fintech predictive modeling. • Collected and structured scientific and fintech data for AI projects. • Converted unstructured field data into training-ready formats. • Supported predictive modeling through curated data sources. • Ensured dataset quality through technical QA and review processes.

2024 - 2025

Education

Work History