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Jesse Chabe Mathew

Jesse Chabe Mathew

AI Data Annotator & Trainer

Nigeria flagFCT-Abuja, Nigeria
$18.00/hrIntermediateOtherToloka

Key Skills

Software

Other
TolokaToloka

Top Subject Matter

AI Model Training and Optimization
AI Model Optimization and Data Annotation
AI Training Text Generation and Evaluation

Top Data Types

TextText
VideoVideo
ImageImage

Top Task Types

Fine-tuningFine-tuning
Prompt + Response Writing (SFT)Prompt + Response Writing (SFT)
TranscriptionTranscription
Bounding BoxBounding Box
Text GenerationText Generation
Text SummarizationText Summarization
Data CollectionData Collection
Evaluation/RatingEvaluation/Rating

Freelancer Overview

AI Data Annotator & Trainer. Brings 8+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Internal, Proprietary Tooling, and Other. Education includes Master of Arts, National Open University of Nigeria (2023) and Bachelor of Arts, National Open University of Nigeria (2020). AI-training focus includes data types such as Text and Audio and labeling workflows including Fine-tuning, Prompt + Response Writing (SFT), and Transcription.

IntermediateEnglishHausa

Labeling Experience

AI Data Annotator & Trainer

TextFine Tuning
As an AI Data Annotator & Trainer at Atlas Capture, I performed extensive training and annotation on large-scale datasets to optimize AI model performance. My responsibilities included curating, labeling, and supplementing datasets with synthetic and additional elements. I ensured quality assurance and collaborated with AI experts to fill data gaps and boost model accuracy. • Managed large-scale, multi-domain dataset labeling and fine-tuning projects • Implemented quality checks and data verification protocols • Developed and integrated synthetic training data for model improvement • Worked cross-functionally with AI teams to identify and address data deficiencies.

As an AI Data Annotator & Trainer at Atlas Capture, I performed extensive training and annotation on large-scale datasets to optimize AI model performance. My responsibilities included curating, labeling, and supplementing datasets with synthetic and additional elements. I ensured quality assurance and collaborated with AI experts to fill data gaps and boost model accuracy. • Managed large-scale, multi-domain dataset labeling and fine-tuning projects • Implemented quality checks and data verification protocols • Developed and integrated synthetic training data for model improvement • Worked cross-functionally with AI teams to identify and address data deficiencies.

2025 - 2026

AI Data Annotator

OtherTextFine Tuning
As an AI Data Annotator at Turing, I was responsible for high-volume data annotation and model support for platform-based AI training projects. I consistently reviewed and enhanced datasets, maintaining industry quality metrics and contributing to continual AI model improvements. My work focused on accuracy, context-specific details, and dataset completeness. • Sustained large quantities of annotated text data for multiple projects • Performed dataset verification to maintain quality standards • Added contextual and edge-case annotations to promote robust models • Contributed to iterative model optimization processes.

As an AI Data Annotator at Turing, I was responsible for high-volume data annotation and model support for platform-based AI training projects. I consistently reviewed and enhanced datasets, maintaining industry quality metrics and contributing to continual AI model improvements. My work focused on accuracy, context-specific details, and dataset completeness. • Sustained large quantities of annotated text data for multiple projects • Performed dataset verification to maintain quality standards • Added contextual and edge-case annotations to promote robust models • Contributed to iterative model optimization processes.

2023 - 2024

Content Writer – AI Dataset Contributor

OtherTextPrompt Response Writing SFT
As a Content Writer at InkForge Writing Agency, I focused on creating detailed content and structured prompts to enhance AI training datasets. My work included developing high-clarity textual materials for AI model evaluation, technical research, and dataset contribution. I collaborated with AI teams in refining and optimizing written data for improved model performance. • Authored prompt-response pairs and technical documentation for AI projects • Ensured all data met ethical and consistency standards for training • Wrote and reviewed high-quality content used in AI evaluation or instruction • Provided expert input for textual data curating and augmentation.

As a Content Writer at InkForge Writing Agency, I focused on creating detailed content and structured prompts to enhance AI training datasets. My work included developing high-clarity textual materials for AI model evaluation, technical research, and dataset contribution. I collaborated with AI teams in refining and optimizing written data for improved model performance. • Authored prompt-response pairs and technical documentation for AI projects • Ensured all data met ethical and consistency standards for training • Wrote and reviewed high-quality content used in AI evaluation or instruction • Provided expert input for textual data curating and augmentation.

2023 - 2023

Transcriber – AI Training Data

OtherAudioTranscription
At Precision Echo Transcription Services, I transcribed diverse audio, video, and live recordings for incorporation into AI training datasets. My work required delivering timely, accurate transcriptions with strong confidentiality and technical subject matter awareness. I focused on maintaining transcription accuracy above 98% to support effective AI model training. • Handled sensitive and technical audio data for AI dataset creation • Delivered fast, accurate transcription services to tight deadlines • Maintained strict data privacy and ethical standards in all tasks • Supported speech recognition and NLP training initiatives.

At Precision Echo Transcription Services, I transcribed diverse audio, video, and live recordings for incorporation into AI training datasets. My work required delivering timely, accurate transcriptions with strong confidentiality and technical subject matter awareness. I focused on maintaining transcription accuracy above 98% to support effective AI model training. • Handled sensitive and technical audio data for AI dataset creation • Delivered fast, accurate transcription services to tight deadlines • Maintained strict data privacy and ethical standards in all tasks • Supported speech recognition and NLP training initiatives.

2022 - 2022

Education

N

National Open University of Nigeria

Master of Arts, English

Master of Arts
2021 - 2023
N

National Open University of Nigeria

Bachelor of Arts, English

Bachelor of Arts
2015 - 2020

Work History

I

InkForge Writing Agency

Content Writer

FCT-Abuja
2023 - 2023
P

Precision Echo Transcription Services

Transcriber

FCT-Abuja
2022 - 2022