Christopher

Key Skills

Software

OneForma

Other

Top Subject Matter

Phonetic and audio annotation for English language AI models

Audio data validation and quality assurance for AI projects

UI/UX evaluation - Image annotation & Visual QA

Top Data Types

Audio

Top Task Types

Transcription

Freelancer Overview

AI Data Contributor (Audio & Phonetics Annotation). Brings 3+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include OneForma and Other. Education includes Bachelor of Arts, University of Calabar (2018). AI-training focus includes data types such as Audio and labeling workflows including Transcription, Evaluation, and Rating.

Labeling Experience

Freelance Audio Data QA Tester

OtherAudio

I managed quality assurance and data validation for large-scale AI-driven audio labeling projects. This included systematically reviewing labeled datasets and implementing structured procedures for data accuracy. I collaborated with remote teams to oversee end-to-end QA processes for AI data platforms. • Conducted detailed validation and audit of annotated audio for model refinement. • Ensured technical accuracy by identifying and documenting inconsistencies during data QA. • Used remote collaboration tools to coordinate efficient QA workflows for annotated datasets. • Supported project goals by delivering comprehensive QA reporting and feedback.

I managed quality assurance and data validation for large-scale AI-driven audio labeling projects. This included systematically reviewing labeled datasets and implementing structured procedures for data accuracy. I collaborated with remote teams to oversee end-to-end QA processes for AI data platforms. • Conducted detailed validation and audit of annotated audio for model refinement. • Ensured technical accuracy by identifying and documenting inconsistencies during data QA. • Used remote collaboration tools to coordinate efficient QA workflows for annotated datasets. • Supported project goals by delivering comprehensive QA reporting and feedback.

2024 - Present

AI Data Contributor (Audio & Phonetics Annotation)

OneformaAudioTranscription

I performed high-precision audio data labeling and transcription for AI model training with a focus on phonetic accuracy. My responsibilities included detailed annotation and rigorous quality assurance of English audio datasets. I consistently adhered to strict guidelines and met project deadlines while ensuring millisecond-level timing precision. • Conducted phonetic transcription using ARPABET and performed structured audio segment marking. • Processed and validated audio data to improve AI language models through annotation and quality checks. • Maintained consistency across large datasets using specialized reference materials and technical tools. • Supported AI training initiatives with structured data entry and remote collaboration.

I performed high-precision audio data labeling and transcription for AI model training with a focus on phonetic accuracy. My responsibilities included detailed annotation and rigorous quality assurance of English audio datasets. I consistently adhered to strict guidelines and met project deadlines while ensuring millisecond-level timing precision. • Conducted phonetic transcription using ARPABET and performed structured audio segment marking. • Processed and validated audio data to improve AI language models through annotation and quality checks. • Maintained consistency across large datasets using specialized reference materials and technical tools. • Supported AI training initiatives with structured data entry and remote collaboration.

2024 - Present

Education

Work History