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Raymond Dereva

Raymond Dereva

Electrical Engineer

KENYA flag
Nairobi, Kenya
$9.00/hrIntermediateLabelboxSuperannotateAppen

Key Skills

Software

LabelboxLabelbox
SuperAnnotateSuperAnnotate
AppenAppen
RoboflowRoboflow

Top Subject Matter

engineering- PCB and circuits trouble shooting. electrical designs
annotation

Top Data Types

Computer Code ProgrammingComputer Code Programming
ImageImage
VideoVideo

Top Task Types

Bounding Box
Polygon
Segmentation
Classification
Object Detection
Prompt Response Writing SFT

Freelancer Overview

I have extensive experience in data labeling, annotation, and AI training data preparation, with a strong focus on ensuring accuracy, consistency, and adherence to project-specific guidelines. My background includes labeling and curating large datasets for natural language processing (NLP), computer vision, and conversational AI tasks—ranging from text classification, sentiment analysis, and entity recognition to image categorization and object detection. I’m skilled at understanding nuanced instructions, maintaining high-quality standards under tight deadlines, and providing clear feedback to improve annotation processes and guideline clarity. What sets me apart is my ability to bridge linguistic and technical understanding, ensuring that training data not only meets quantitative accuracy metrics but also supports model interpretability and ethical AI outcomes. I bring strong attention to detail, a commitment to data integrity, and familiarity with common annotation tools My goal is always to contribute clean, reliable, and meaningful data that enhances AI model performance and real-world applicability.

IntermediateEnglish

Labeling Experience

Data labelling

ImagePolygon
It involved labelling images using bound boxes and polygons. It was done as per the rules given which were followed to the letter. The project went on for 3 years

It involved labelling images using bound boxes and polygons. It was done as per the rules given which were followed to the letter. The project went on for 3 years

2022 - 2025

Education

M

Murang’a University of Technology

Bachelor of Science, Electrical and Electronics Engineering

Bachelor of Science
2020 - 2024
K

Kanyuambora High School

Kenya Certificate of Secondary Education, General Secondary Education

Kenya Certificate of Secondary Education
2016 - 2019

Work History

D

Davis & Shirtliff

Electrical Engineer

Nairobi
2024 - Present
K

KenGen

Electrical Engineering Intern

Kindaruma
2022 - 2022