Hire the Best Data Annotators

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Rating is 4.8 out of 5.
4.8/5
Based on 1,023 client reviews
Behzad K.

Islamabad, Pakistan

$6/hr
5.0
10 jobs

Imagine spending thousands of dollars training an AI model—only to realize the labels were flawed. That’s where I come in. I’m 𝐁𝐞𝐡𝐳𝐚𝐝 𝐀𝐥𝐢 𝐊𝐡𝐚𝐧 and co-founder of 𝐒𝐖𝐀𝐓𝐀𝐢, a data annotation and AI development platform trusted by AI startups and enterprises worldwide. With 4+ years of experience and a team of 178+ skilled annotators, I’ve personally led projects that helped train over 100 production-grade AI models from medical image segmentation, agriculture dataset annotations, AI-based electric poles condition monitoring system to autonomous vehicle perception systems. 🌐𝗪𝗵𝘆 𝗖𝗹𝗶𝗲𝗻𝘁𝘀 𝗧𝗿𝘂𝘀𝘁 𝗠𝗲: 𝗣𝗿𝗲𝗰𝗶𝘀𝗶𝗼𝗻-𝗟𝗲𝘃𝗲𝗹 𝗦𝗲𝗴𝗺𝗲𝗻𝘁𝗮𝘁𝗶𝗼𝗻: I specialize in polygonal, pixel-wise and semantic segmentation with an obsessive attention to detail. 𝗔𝗜-𝗔𝘄𝗮𝗿𝗲 𝗔𝗻𝗻𝗼𝘁𝗮𝘁𝗶𝗼𝗻: Unlike generic labelers, I understand the AI pipeline. I don’t just label, I label for performance. Every dataset is annotated with model training, accuracy and edge-case handling in mind. 𝗘𝗻𝘁𝗲𝗿𝗽𝗿𝗶𝘀𝗲-𝗦𝗰𝗮𝗹𝗲 𝗢𝗽𝗲𝗿𝗮𝘁𝗶𝗼𝗻𝘀: Delivered $500,000+ worth of labeled data to top AI companies (like Moonvalley, SaharLabs etc) with proven systems for scalability, security and deadlines. 𝗖𝘂𝘀𝘁𝗼𝗺 𝗧𝗼𝗼𝗹𝘀, 𝗥𝗲𝗮𝗹 𝗜𝗻𝘁𝗲𝗴𝗿𝗮𝘁𝗶𝗼𝗻: Worked across CVAT, Labelbox, SuperAnnotate, Roboflow and even client-specific proprietary tools. 🌐𝗦𝘁𝗼𝗿𝘆 𝗼𝗳 𝗚𝗿𝗼𝘄𝘁𝗵: What began as a solo freelancing gig on Fiverr has now become a global agency delivering AI-ready data for some of the most innovative companies on Earth. Now offering our services on Upwork as well. 🛠️𝗦𝗲𝗿𝘃𝗶𝗰𝗲𝘀 𝗜 𝗢𝗳𝗳𝗲𝗿: ✦ Image & Video Segmentation (polygon, semantic, instance-based) ✦ Bounding Box, Keypoint & Landmark Annotation ✦ Text & Audio Annotation (multilingual available) ✦ Dataset Cleaning, Structuring & Preprocessing ✦ Consultancy on AI Dataset Design and Labeling Strategies ✦ AI Model Training and development Image annotation, Bounding boxes, 3D boxes, Video annotation, instance and semantic, Object labeling/tagging,Segmentation, Polygons masks, Text annotation, Line annotation, Key Points annotation, Cuboids, Image classification and categorization.

  • Video Annotation
  • Data Annotation
  • Image Annotation
  • Image Segmentation
  • CVAT
  • Data Labeling
  • Computer Vision
  • Data Entry
  • Data Collection
  • Roboflow
  • LabelMe
  • Labelbox
  • LabelImg
  • SuperAnnotate
  • Computer Vision Software
Sharmilaa S.

Chennai, India

$5/hr
5.0
72 jobs

Greetings! I'm Sharmilaa Saran, a highly accomplished data entry specialist from India. With expertise in areas such as data processing, data interpretation, web research, and content creation, I have successfully completed numerous projects throughout my eight years of experience as a freelancer. Prior to transitioning into freelancing, I worked with various corporate organizations on a full-time basis. My master's degree in Computer Science has been instrumental in executing projects to the highest standards and meeting client expectations. When working with clients, I strive to be adaptable and contribute my skills to the fullest extent possible. I prioritize quality, accuracy, and timely delivery in all my endeavors. Here are some of my professional skills: - Proficiency in Microsoft Office Word and Microsoft Office Excel - Typing speed of 70 WPM - Web Research - Keen attention to detail - Excellent oral and written communication skills - Strong team player - Cognitive and analytical excellence - Near-native proficiency in North American accent I am dedicated to delivering exceptional results and exceeding client expectations. Let's collaborate and achieve success together.

  • Microsoft Excel
  • Data Entry
  • Typing
  • Accuracy Verification
  • Data Labeling
  • Microsoft Word
  • Computer Skills
  • Microsoft Office
  • Data Annotation
  • Data Interpretation
  • Editing & Proofreading
  • English
  • General Transcription
Syed Fakhr E A.

Islamabad, Pakistan

$10/hr
5.0
72 jobs

✅Data Annotation Expert With over 4 years of dedicated experience in data annotation and image labeling, I have a proven track record of consistently delivering top-tier results. My expertise like automotive, fashion, and social media, equipping me with a versatile skill set. I have strong expertise in data annotation tools including Labelbox, CVAT, and Amazon Mechanical Turk. Proficient in annotation standards like PASCAL VOC and YOLO. As a detail-oriented and motivated professional, I am quick to grasp new techniques, always staying updated with the latest trends in data annotation." ✅Skills: ✔️ Image/video annotation ✔️ Image masking/segmentation ✔️ Categorization ✔️ Fact-checking annotation ✔️ Transcription ✅Awards and Recognition: ✔️ Data Annotation Team of the Year (2022) ✔️ Top 10 Data Annotators on Upwork (2021) ✅Why you should hire me: ✔️ Highly skilled and experienced data annotator with a successful track record. ✔️ Quick learner, staying current with the latest techniques, and committed to going the extra mile for precise results. ✔️ Team player with a creative mindset, offering innovative solutions for high-quality data annotation services. Let me know if you are available to have a quick zoom Video call to see my portfolio or ask questions. I will be looking forward to it. Can't wait to work with you. Syed Fakhr

  • Image Recognition
  • Object Detection
  • Image Annotation
  • Facial Recognition
  • Image Segmentation
  • Data Annotation
  • Image Resizing
  • Data Labeling
  • Image Alt Tags
  • Image Compression
  • Image File Format
  • Video Annotation
  • Annotated Screenshot
  • Radar Polygon
  • Quality Audit
Anirudh S.

Neemuch, India

$7/hr
5.0
1 jobs

High-quality AI training data can make or break your model. I help AI/ML teams scale data annotation with 95–99% accuracy, backed by structured QA workflows and reliable turnaround, across image, text, and audio datasets. If you're building computer vision or NLP models, I ensure your data is clean, consistent, and production-ready. 1. Experience handling large-scale datasets (10K to 1M+ annotations) 2. Multi-level QA pipelines (review, sampling, audits) 3. Expertise across CV, NLP, Geospatial, and ADAS use cases With 5+ years of experience in AI training data, I’ve consistently delivered high-accuracy datasets with fast turnaround and scalable workflows. I also provide access to multilingual annotation teams (German, Spanish, French, Portuguese, Japanese, etc.), enabling global dataset support. What I can help you with: • Image Annotation (Bounding Boxes, Segmentation, Tagging) • Text Annotation (Classification, Sentiment Analysis, NLP Tasks) • Audio Annotation (Event Labeling, Timestamping) • Data Validation & Quality Assurance I operate with a trained and scalable team of annotators, allowing me to handle both small pilot tasks and large-volume projects efficiently. Why clients choose to work with me: • 95–99% accuracy with strong QA systems • Structured workflows and clear communication • Ability to scale quickly based on project needs • On-time delivery with consistent quality I’m available to start immediately and open to both pilot tasks and long-term collaborations. I’m happy to start with a small sample or pilot task to demonstrate quality before scaling.

  • Data Annotation
  • Data Labeling
  • Image Annotation
  • Audio Transcription
  • Data Processing
  • Data Quality Assessment
  • Machine Learning
  • Artificial Intelligence
  • Natural Language Processing
  • Computer Vision
  • Data Entry
  • Data Collection
  • Machine Learning Algorithm
  • Machine Learning Model
Furqan M.

Rawalpindi, Pakistan

$5/hr
4.8
62 jobs

I have more than 8 years of data annotation experience. I have a team of professional annotators to process your large scale dataset quickly and efficiently. Key Projects:- Camera synchronization project (Key points):-Marking 21 key points on human hand joints. Exercise Application(Synchronize data from sensors with video):- Marking timestamps on video based on sensors data on visuals. Pose Estimation(Key points on human body):- Marking key points on face, arms, legs. Ecart (Bounding box, Polygon):- Drawing polygons around products and hands. Plastic bottle recycling(Polygon):- Drawing polygons around plastic bottles and cans. Also classify bottles and cans based on their shapes. Grape tree segmentation(Polygon):- Draw polygons around stems, leaf's. Autonomous Checkout System(Video Annotation):- Draw bounding box around products taken and put in a video clip. Also mark number of products taken and put in the video. P&G (Designs):-Mark info in P&G designs.

  • Python
  • Data Labeling
  • Data Annotation
  • Deep Learning
  • Image Editing
  • Transparent Background
  • Accuracy Verification
  • Background Removal
  • Data Scraping
  • White Background Photography
  • Data Entry
  • Background Imagery
  • Data Segmentation
  • Image Processing
  • TensorFlow
John Anthony A.

San Rafael, Philippines

$7/hr
5.0
9 jobs

I am a Data Annotation Specialist with over 6 years of experience delivering high-quality training data for AI and Machine Learning projects. My expertise focuses on Computer Vision annotation, including image and video labeling, object detection, segmentation, tracking, and quality assurance. I have worked on large-scale datasets across multiple annotation platforms and consistently follow detailed labeling guidelines to ensure accurate and reliable results. Services I Provide ✔ Bounding Box Annotation ✔ Polygon / Semantic Segmentation ✔ Instance Segmentation ✔ Video Annotation & Object Tracking ✔ Keypoint & Landmark Annotation ✔ Cuboid / 3D Annotation ✔ Quality Assurance (QA) & Annotation Review ✔ Data Validation and Dataset Auditing Annotation Tools CVAT Labelbox V7 Darwin SuperAnnotate LabelMe Scale AI Appen Remotasks Why Clients Work With Me Strong attention to detail Consistent annotation quality Fast turnaround times Ability to learn complex labeling guidelines quickly Experience handling large-scale datasets Clear communication throughout projects Whether you need image annotation, video tracking, segmentation, or annotation review, I can help produce reliable training data that supports high-performing AI models. Feel free to contact me to discuss your project requirements.

  • Data Labeling
  • Data Annotation
  • Artificial Intelligence
  • Accuracy Verification
  • Data Segmentation
  • Image Tracing
  • Data Processing
  • Video Annotation
  • CVAT

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