Md Mhafuj M.
Data Annotation Specialist | Image/Video Annotation & Data Labeling
I am a dedicated Data Annotation Specialist with over 5+ years of hands-on experience delivering high-quality training data for machine learning and AI models. I specialize in precise, scalable, and reliable annotation services that help improve model accuracy and performance. Over the years, I have worked on a wide range of annotation projects, consistently maintaining high accuracy, fast turnaround times, and strict attention to detail—qualities that clients highly value. 🔹 Core Expertise Image Annotation & Data Labeling Semantic & Instance Segmentation Bounding Boxes & Object Detection Polygon & Mask Annotation Keypoint & Landmark Annotation Polyline Annotation Object Tracking (Video Annotation) Image Classification & Categorization Text Annotation (NER, Sentiment, Topic Analysis) 2D & 3D Annotation 🔹 Tools & Platforms CVAT Roboflow LabelImg Labelbox VGG Image Annotator (VIA) Doccano Label Studio 🔹 Output Formats Pascal VOC (XML) YOLO (TXT / YOLOv8) COCO (JSON) CSV Segmentation Masks 🔹 Why Choose Me? ✔ High-quality, error-free annotations ✔ Fast and reliable delivery ✔ Strong quality control process ✔ Ability to handle large-scale datasets ✔ Clear communication and quick response I am committed to delivering accurate, consistent, and ML-ready datasets that meet your project requirements. Whether it's a small task or a large ongoing project, I ensure professional results every time. Let’s work together to build high-quality data for your AI models. Best regards, Mhafuj Mahmud
Earnings and projects
Last 6 months ÷ 6
Last 6 months: $1.3k
Billed in all: $15,480$15k
$438 in the last 6 months
Across 30 contracts
Earnings, last 30 days
Skill rankings: Top 25% in Image Editing
Ranked by MRR among everyone on Upwork with the skill.
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