Rufel P.
CVAT, Data Annotation Specialist, Labelbox, Roboflow
Hi, I’m Rufel, a detail-oriented and reliable Data Annotation Specialist with experience using platforms such as CVAT, Roboflow, Labelbox, Super Annotate, and various in-house tools provided by clients. Just send me a message and share your guidelines and a sample test so I can demonstrate my skills. I specialize in image, video, and text annotation, including bounding box annotation, polygon annotation, keypoint annotation, semantic segmentation, object tracking, and data labeling to support high-quality AI and machine learning models. I have a strong eye for detail and consistency, ensuring accurate and well-labeled datasets. I am adaptable and can quickly learn new tools and workflows based on project requirements. I follow instructions carefully and maintain high standards to meet client expectations. Skills & Expertise Image and video annotation (bounding boxes, polygon, keypoints, segmentation, object tracking) Text annotation and labeling Experience with CVAT, Roboflow, Labelbox, and client-specific tools Data quality control and consistency checking Fast learner with strong adaptability Strong work ethic and on-time delivery I am committed to providing precise and high-quality annotations that help improve AI model performance. I’m open to both short-term and long-term projects and always ready to contribute to your team. Let’s work together to build accurate and reliable datasets!
Earnings and projects
Last 6 months ÷ 6
Last 6 months: $425
Billed in all: $31,328$31k
$85 in the last 6 months
Across 12 contracts
Earnings, last 30 days
Skill rankings: Top 26% in JSON
Ranked by MRR among everyone on Upwork with the skill.
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- #62Image Classification119 freelancers · 🇵🇭 #8Top 52%🇵🇭#8 of 15
- #62Labelbox102 freelancers · 🇵🇭 #17Top 61%🇵🇭#17 of 26
- #68Roboflow98 freelancers · 🇵🇭 #19Top 69%🇵🇭#19 of 20
- #102YOLO229 freelancers · 🇵🇭 #4Top 45%🇵🇭#4 of 6
- #128CVAT204 freelancers · 🇵🇭 #38Top 63%🇵🇭#38 of 50
- #243Video Annotation464 freelancers · 🇵🇭 #61Top 52%🇵🇭#61 of 109
- #330Image Annotation592 freelancers · 🇵🇭 #92Top 56%🇵🇭#92 of 146