Muhammad Mamun M.
Data Annotation Specialist| Polygon |Segmentation | Bounding Box
Hi, I’m Md Mamun Mia — a skilled data annotation specialist with over 5 years of experience supporting international clients on large-scale image and video datasets. 💡 My Core Expertise: ✔️ Bounding Box Annotation ✔️ Polygon Annotation ✔️ Semantic & Instance Segmentation ✔️ Image Annotation & Image Labeling ✔️ Video Annotation ✔️ Keypoint Annotation ✔️ Cuboid & LiDAR Annotation ✔️ Text Annotation ✔️ Image Tagging 🛠️ Tools I Work With: ✔️ CVAT ✔️ Roboflow ✔️ Label Studio ✔️ Labelbox ✔️ LabelImg ✔️ LabelMe ✔️ Supervisely ✔️ VGG Image Annotator (VIA) ✔️ Other web-based annotation platforms 📁 Supported Formats: -YOLO, COCO, Pascal VOC (XML), JSON, CSV, Segmentation Masks, etc. ✅ Delivering accurate, consistent, and client-focused annotation ❌ No model training or coding — 100% focused on high-quality data labeling 🌍 Available 24/7 — open to full-time, long-term, and remote projects
Earnings and projects
Last 6 months ÷ 6
Last 6 months: $9.2k
Billed in all: $34,046$34k
$3.1k in the last 6 months
Across 5 contracts
Across 64 contracts
Earnings, last 30 days
Skill rankings: Top 6% in Accuracy Verification
Ranked by MRR among everyone on Upwork with the skill.
- #5Semantic Segmentation60 freelancers · 🇧🇩 #1Top 8%🇧🇩#1 of 8
- #8Labelbox102 freelancers · 🇧🇩 #1Top 8%🇧🇩#1 of 10
- #10Roboflow98 freelancers · 🇧🇩 #1Top 10%🇧🇩#1 of 14
- #14CVAT204 freelancers · 🇧🇩 #2Top 7%🇧🇩#2 of 24
- #27Data Segmentation212 freelancers · 🇧🇩 #2Top 13%🇧🇩#2 of 15
- #31Video Annotation464 freelancers · 🇧🇩 #3Top 7%🇧🇩#3 of 34
- #36Image Annotation592 freelancers · 🇧🇩 #1Top 6%🇧🇩#1 of 28
- #81Data Labeling1,093 freelancers · 🇧🇩 #6Top 7%🇧🇩#6 of 43