Key Skills

Freelancer Overview

BILL RAPHAEL Nairobi, Kenya Phone: 0796280440 Email: brightonangaya1528@gmail.com PROFESSIONAL SUMMARY AI Training Specialist with 3 years of experience in data labeling and annotation for video, image, and audio datasets. Skilled in object detection, tracking, and dataset preparation to support machine learning models. Detail-oriented with a strong focus on accuracy and quality. SKILLS (cid:127) Data Labeling & Annotation (Video, Image, Audio) (cid:127) Object Detection & Tracking (cid:127) Bounding Box & Polygon Annotation (cid:127) Dataset Quality Control (cid:127) Attention to Detail (cid:127) Team Collaboration TOOLS & TECHNOLOGIES (cid:127) Labelbox (cid:127) YOLO (Object Detection) (cid:127) CVAT (cid:127) Supervisely (cid:127) VGG Image Annotator (VIA) (cid:127) Audacity (cid:127) Python (Basic) (cid:127) Excel / Google Sheets EXPERIENCE AI Training Specialist / Data Annotator Freelance | 2023 – Present (cid:127) Annotate video, audio, and image data for AI model training (cid:127) Perform object detection and tracking tasks (cid:127) Ensure high accuracy and consistency in labeled datasets Junior Data Annotator Freelance / Contract | 2022 – 2023 (cid:127) Assisted in labeling and preparing datasets (cid:127) Maintained annotation standards and supported QA processes EDUCATION Diploma in Information Technology [Institution Name] | 2019 – 2022 KCSE [Secondary School Name] | 2015 – 2018 KCPE [Primary School Name] | 2007 – 2014 REFEREES Available upon request

Labeling Experience

Education

Work History