Data Annotator – Otaku.hugo Company Ltd.
As a Data Annotator at Otaku.hugo Company Ltd., I labeled and reviewed large text, image, and audio datasets to support AI model development and evaluation. I consistently maintained high annotation accuracy through rigorous quality assurance and careful adherence to annotation guidelines. My role involved clarifying label taxonomies and fostering alignment among annotators to reduce rework and improve dataset quality. • Processed and annotated over 1,000 data units weekly covering text, image, and audio data for training and evaluation purposes. • Achieved 95–98% annotation accuracy by strictly following guidelines and quality benchmarks. • Improved inter-annotator agreement rates and reduced rework by 20% via feedback loops and taxonomy clarification. • Supported model development by creating high-quality ground truth data and validating annotated datasets.