You will get neatly drawn 2D and 3D bounding boxes and polygon tags for your project.
Top Rated
Top Rated
Project details
You will get neatly annotated and labelled data for your machine learning project.
With years of experience, I annotate, adhering strictly to client directives and guidelines.
My communication and feedback with clients are detailed as to annotate the client's desire for the project, knowing my mistake affects the time and productivity of the machine.
With years of experience, I annotate, adhering strictly to client directives and guidelines.
My communication and feedback with clients are detailed as to annotate the client's desire for the project, knowing my mistake affects the time and productivity of the machine.
What's included $5
These options are included with the project scope.
$5
- Delivery Time 1 day
- Number of Revisions 0
Frequently asked questions
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Vaibhav V.
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Did great work for us!
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Tobias G.
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Video Tagging Specialist Needed
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Isabel W.
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Data Annotation Specialist
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About Precious
AI Data Annotation & Labeling Specialist | CVAT | RLHF | CV | LLM
95%
Job Success
Lagos, Nigeria - 9:23 am local time
Data Annotation and AI Data Operations Specialist with over 6 years of experience supporting the development of machine learning, computer vision, speech recognition, and generative AI systems through high quality training data. Extensive experience in image, video, audio, and text annotation, including object detection, segmentation, classification, transcription, sentiment analysis, and data validation. Possesses foundational Python skills and an exceptional attention to detail, process improvement, team leadership, and the ability to translate complex project objectives into scalable annotation operations.
Beyond data labeling, I help in the design of labeling workflows, guidelines, and in the setup of QA system, and coordinate annotation teams. I ensure accuracy and consistency of exported data being used for training machine learning and AI models.
I specialise in
🔸Computer Vision:
1. Bounding boxes
2. Polygons
3. Semantic & instance segmentation
4. Keypoints
5. Object tracking
🔸Autonomous Vehicles:
1. Lane marking
2. Drivable areas
3. Traffic signs
4. LiDAR & video annotation
🔸Healthcare AI:
1. Medical image labeling
2. Structured text annotation
3. High-precision QA workflows
🔸E-commerce (SKU):
1. Product categorization
2. Attribute tagging
3. Catalog normalization
🔸LLM Alignment:
1. RLHF
2. RLAIF
🔸NLP
1. NER
2. Intent classification
3. Sentiment analysis
4. Document annotation
🔸Audio & Speech:
1. Transcription
2. ASR labeling
3. Speaker diarization
4. Sound event tagging
Why work with me
1. Accuracy, Consistency and Commitment
2. Clear communication with engineers, PMs, and research teams
3. Deep understanding of how annotation quality impacts model performance
4. Proven ability to lead distributed teams and meet strict delivery timelines
5. Experience working with IP-sensitive and compliance-driven datasets
I have successfully delivered projects ranging from small pilot datasets to large-scale annotation and data collection operations across computer vision, LLM, RLHF, multimodal, and audio AI systems. My experience extends beyond annotation to workflow design, guideline development, quality assurance, and team coordination, ensuring consistency, effective edge-case handling, and production-ready datasets. Clients value my ability to identify challenges early, optimize annotation strategies, reduce rework, and keep projects on schedule.
Whether you need a hands-on data annotation specialist, an annotation lead, or a consultant who understands both the technical and operational aspects of AI training data, I am ready to add value from day one.
Steps for completing your project
After purchasing the project, send requirements so Precious can start the project.
Delivery time starts when Precious receives requirements from you.
Precious works on your project following the steps below.
Revisions may occur after the delivery date.
Project Onboarding
In-depth discussion regarding the project for proper understanding and questions asked about the project for excellent delivery.