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Derrick Magei

Derrick Magei

3D Spatial Data Associate

Kenya flagMombasa, Kenya
$20.00/hrExpertScale AI

Key Skills

Software

Scale AIScale AI

Top Subject Matter

LiDAR geospatial data
AI Evaluation
LLM and Software Engineering

Top Data Types

3D Sensor
ImageImage
VideoVideo

Top Task Types

SegmentationSegmentation
Bounding BoxBounding Box
PolygonPolygon
ClassificationClassification
CuboidCuboid
Object DetectionObject Detection
Point/Key PointPoint/Key Point
Text GenerationText Generation
Text SummarizationText Summarization
RLHFRLHF
Computer Programming/CodingComputer Programming/Coding
Data CollectionData Collection
Function CallingFunction Calling
Evaluation/RatingEvaluation/Rating
TranscriptionTranscription
Fine-tuningFine-tuning
Prompt + Response Writing (SFT)Prompt + Response Writing (SFT)
Entity (NER) ClassificationEntity (NER) Classification
PolylinePolyline
Question AnsweringQuestion Answering

Freelancer Overview

3D Spatial Data Associate. Brings 4+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Scale AI. Education includes Bachelor of Science, Meru University of Science and Technology (2018). AI-training focus includes data types such as 3D Sensor and labeling workflows including Segmentation.

ExpertEnglishSwahili

Labeling Experience

Scale AI

3D Spatial Data Associate

Scale AI3D SensorSegmentation
As a 3D Spatial Data Associate, I executed precise 2D and 3D annotation tasks on LiDAR point cloud data. I separated and identified objects such as vehicles, buildings, and terrain within complex spatial datasets. My role required meeting accuracy benchmarks and performing quality control to ensure consistency in data labeling. • Performed LiDAR annotation and segmentation for projects such as Bee, Bear, Mammoth, and Sheep. • Used specialized software to convert CAD, BIM, and GIS data into accurate 3D representations. • Constructed and updated 3D city models by converting 2D polygons to 3D multi-patch structures. • Addressed inconsistencies in building footprints and classification errors during quality checks.

As a 3D Spatial Data Associate, I executed precise 2D and 3D annotation tasks on LiDAR point cloud data. I separated and identified objects such as vehicles, buildings, and terrain within complex spatial datasets. My role required meeting accuracy benchmarks and performing quality control to ensure consistency in data labeling. • Performed LiDAR annotation and segmentation for projects such as Bee, Bear, Mammoth, and Sheep. • Used specialized software to convert CAD, BIM, and GIS data into accurate 3D representations. • Constructed and updated 3D city models by converting 2D polygons to 3D multi-patch structures. • Addressed inconsistencies in building footprints and classification errors during quality checks.

2019 - 2026

Education

M

Meru University of Science and Technology

Bachelor of Science, Computer Technology

Bachelor of Science
2014 - 2018

Work History

E

Eryxs Labs

Software and Web App Developer

Nairobi
2020 - Present
K

Kimuka Enterprise

Junior IT Support Technician

Mombasa
2019 - 2020