David ?.

Data Labeler and AI Training Specialist (Text/Image/Audio Annotation and AI Training Support)

TextEntity (NER) ClassificationTranscription

Performed data annotation across text, image, and audio datasets to support AI model improvements and evaluation. Applied precise tagging and transcription work to prepare supervised training signals and align dataset outputs with model requirements. Contributed to reinforcement learning from human feedback by producing consistent, high-quality labeled data. • Tagged text data for downstream language model tasks • Transcribed audio segments to create usable audio-to-text supervision • Annotated images with detailed labels for computer vision training • Ensured labeling consistency to improve model accuracy