Freelance Data Annotator — Practice Projects (Scale AI Tasker Program & Appen Connect)
Freelance Data Annotator (Scale AI Tasker & Appen Connect) performing supervised labeling on publicly available training datasets. Work includes image bounding boxes, semantic segmentation, and text sentiment labeling while following strict guidelines and consistency checks. Quality is maintained by re-reading instructions per batch and accurately flagging ambiguous cases for review. • Image bounding box annotation and related quality checks • Semantic segmentation labeling across task batches • Sentiment labeling for associated text data • Maintained 95%+ accuracy on quality-checked batches