PROFESSIONAL EXPERIENCE Freelance Data Labeling Specialist Self-Employed | Remote 2012 – Present Provided high-quali
PROFESSIONAL EXPERIENCE Freelance Data Labeling Specialist Self-Employed | Remote 2012 – Present Provided high-quality annotation services for AI and machine learning projects across multiple industries including healthcare, autonomous systems, geospatial intelligence, document processing, and natural language processing. Document Annotation • Performed entity extraction, document classification, OCR correction, and table labeling tasks. • Created structured datasets for machine learning and information extraction systems. • Annotated complex documents for grounded question-answering applications. Image Annotation • Generated precise bounding boxes, polygons, keypoints, and image classifications. • Labeled large-scale datasets for object detection and computer vision models. • Applied attribute tagging and quality control procedures to ensure annotation consistency. Segmentation Projects • Produced semantic, instance, and panoptic segmentation masks. • Conducted pixel-level quality assurance reviews. • Supported training datasets for advanced computer vision applications. Video Annotation • Performed frame-by-frame annotation and quality verification. • Completed object tracking and temporal labeling tasks. • Annotated action recognition datasets for machine learning systems. Text Annotation & NLP • Executed Named Entity Recognition (NER), sentiment analysis, text classification, and relation extraction tasks. • Annotated multilingual datasets supporting NLP models across multiple languages. • Maintained annotation consistency according to project-specific guidelines. Speech & Audio Labeling • Conducted audio transcription and speaker diarization projects. • Labeled audio events and phonetic datasets for speech recognition systems. • Reviewed and validated audio datasets to maintain high accuracy rates. Time Series Annotation • Annotated sensor and event-based datasets. • Performed anomaly detection labeling and signal classification. • Supported predictive analytics and forecasting model development. Point Cloud Annotation • Created 3D cuboid annotations and point cloud segmentation. • Performed sensor fusion labeling and object tracking tasks. • Supported autonomous vehicle and robotics datasets. Medical Imaging Annotation • Annotated CT and MRI scans for machine learning applications. • Conducted pathology markup, organ delineation, and radiology quality reviews. • Ensured compliance with project-specific medical annotation guidelines. Satellite Imagery Annotation • Performed land cover mapping and building footprint annotation. • Conducted object detection and change detection labeling. • Supported geospatial AI and Earth observation projects. Key Achievements • Successfully completed thousands of annotation hours across multiple AI domains. • Consistently maintained high annotation accuracy and quality standards. • Supported the development of training datasets used in machine learning and deep learning systems. • Worked independently across multiple concurrent projects while meeting strict deadlines.