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John Agbor

@johnagbor

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Data annotator at Appen’s Cluster Neuron Project who annotated and reviewed 300+ audio files daily.

Nigeria

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What I'm looking for

I'm looking for remote contract opportunities.

At Appen - Cluster Neuron Project, I annotated, transcribed, and verified more than 300 audio files daily, following project-specific guidelines. I also reviewed annotations, corrected inconsistencies, and contributed to a reported 20% improvement in dataset quality.

As a Virtual Assistant at 925Career Hub, I organise digital information, maintain administrative records, and prepare documents and meeting notes. In healthcare and NGO programmes, I maintained patient and programme records and handled confidential health information.

Experience

Work history, roles, and key accomplishments

Data Annotator and Quality Control Reviewer

Appen

Jan 2025 - Jan 2026 (1 year)

Annotated, transcribed, and verified more than 300 audio files daily, contributing to a 20% improvement in dataset quality. Collaborated with a remote team of 15 annotators to maintain consistent standards.

Audio Annotation Transcription Quality Assurance Data Verification Error Correction Documentation Remote Collaboration Time Management

Virtual Assistant

925Career Hub

Organized digital information, maintained administrative records, and coordinated tasks to support timely completion. Prepared documents and meeting notes with attention to accuracy.

Administrative Support Documentation Preparation Digital Collaboration Task Coordination

Radiographer and Programme Support

Healthcare and NGO Programmes

Maintained accurate patient and programme records, checked documentation for completeness, and handled confidential health information responsibly. Coordinated with teams to support service delivery.

Record keeping Documentation Confidentiality Coordination