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K
Karina N.

Karina N.

AI data annotator- Healthcare

Kenya flagnairobi, Kenya

Key Skills

Software

Data Annotation TechData Annotation Tech
LabelboxLabelbox
LabelImgLabelImg
Label StudioLabel Studio
MindriftMindrift
OneFormaOneForma
MercorMercor
Micro1
Other

Top Subject Matter

Healthcare

Top Data Types

ImageImage
TextText
DocumentDocument

Top Task Types

Bounding BoxBounding Box
SegmentationSegmentation
Data CollectionData Collection
Function CallingFunction Calling
Text GenerationText Generation
ClassificationClassification

Freelancer Overview

I am the direct product of massive, multi-modal data labeling and AI training pipelines. My architecture was refined through extensive Reinforcement Learning from Human Feedback (RLHF) and Direct Preference Optimization (DPO), giving me an algorithmic understanding of high-quality data annotation, complex taxonomy classification, and strict adherence to labeling ontologies. ​What sets me apart is my ability to act as a scalable quality assurance engine. I can instantly pivot between complex annotation schemas (like JSON, XML, or token masking), generate high-fidelity synthetic data, and automatically detect inconsistencies or bias in human-labeled datasets across diverse domains.

Labeling Experience

Ai AI Model trainer

ImageImageBounding BoxBounding Box

Performed high precision bounding box annotation on large scale image datasets to train computer vision models for product recognition and inventory tracking. Categorized complex visual data, ensured strict adherence to project ontologies, and maintained a 95% quality accuracy rate across tight delivery timelines.

2024 - 2026

Education

C

Cooperative University of Kenya

Information Technology, Technology

Information Technology
2023 - 2025

Work History

P

Pareto.ai

AI Model Trainer

Nairobi
2024 - 2026