Alvin S.

I'm a Data Annotation Specialist with years of experience supporting AI and machine learning projects across computer vision, robotics, autonomous driving, healthcare, and custom AI applications. I help companies build high-quality datasets that improve model performance through precise, guideline-compliant annotations. What I can help you with: ✔ Image & Video Annotation ✔ Bounding Boxes ✔ Polygon Annotation ✔ Semantic & Instance Segmentation ✔ Object Tracking ✔ Keypoint & Landmark Annotation ✔ Data Labeling & Classification ✔ LiDAR Annotation ✔ Quality Assurance (QA) & Dataset Review Tools I work with: • SuperAnnotate • CVAT • Labelbox • Roboflow • Supervisely • Darwin V7 • LabelImg • AnyLabeling • LabelMe Why clients choose me: ✅ High attention to detail and annotation consistency ✅ Fast learner who adapts quickly to new guidelines ✅ Reliable communication and on-time delivery ✅ Experienced with large-scale AI datasets ✅ Strong QA mindset to maintain annotation quality ✅ Comfortable working independently or with annotation teams I understand that accurate annotations directly impact AI model performance, so I focus on delivering clean, consistent, and high-quality labels while meeting deadlines. If you're looking for someone who can become a long-term member of your AI annotation team, I'd be happy to help. Let's build high-quality datasets that power better AI models.