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R

Raffin B.

AI Data annotator image and video

Kenya flagNairobi, Kenya

Key Skills

Software

SuperAnnotateSuperAnnotate
TolokaToloka
Snorkel AISnorkel AI
MindriftMindrift
MercorMercor
Micro1

Top Subject Matter

Art and design -Animation & Motion Graphics
Engineering -Electrical Engineering & Industrial Equipment
Language -Speech Recognition & Natural Language Processing

Top Data Types

VideoVideo
ImageImage
AudioAudio

Top Task Types

Object DetectionObject Detection
Fine-tuningFine-tuning
TranscriptionTranscription
Bounding BoxBounding Box

Freelancer Overview

I have experience working on AI training data projects involving data annotation, quality review, and prompt evaluation for machine learning and generative AI systems. My work has included labeling text, image, and conversational datasets according to detailed guidelines, identifying inconsistencies, improving annotation accuracy, and ensuring high-quality outputs for model training. I am comfortable using structured taxonomies, maintaining attention to detail across large datasets, and meeting productivity and accuracy targets in fast-paced environments. I also have experience evaluating AI-generated responses for relevance, safety, factual accuracy, and linguistic quality. What sets me apart is my strong analytical thinking, consistency, and ability to quickly adapt to new annotation frameworks and tools. I have excellent written communication skills, a solid understanding of natural language processing workflows, and the ability to follow complex instructions while maintaining high-quality standards. I work well independently, manage deadlines effectively, and take a detail-oriented approach to identifying edge cases and improving overall dataset reliability.

Education

M

Moi University

Bachelor of Science Graphics and Design, Bachelor of Science Graphics and Design

Bachelor of Science Graphics and Design
2018 - 2021