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Z
Zacharia Owino

Zacharia Owino

AI Data Annotator

Kenya flagNairobi, Kenya
$10.00/hrEntry LevelData Annotation TechCrowdsourceDataloop

Key Skills

Software

Data Annotation TechData Annotation Tech
CrowdSourceCrowdSource
DataloopDataloop
Deep SystemsDeep Systems
Google Cloud Vertex AIGoogle Cloud Vertex AI
OneFormaOneForma
RemotasksRemotasks

Top Subject Matter

Healthcare
Finance
E-commerce

Top Data Types

ImageImage
VideoVideo
TextText

Top Task Types

SegmentationSegmentation
ClassificationClassification
Object DetectionObject Detection
Text GenerationText Generation
Text SummarizationText Summarization
Question AnsweringQuestion Answering
Fine-tuningFine-tuning

Freelancer Overview

I have over five years of experience working with structured academic content that closely aligns with data labeling and AI training workflows. In my role as an academic writer at Uvocorp Limited, I developed complex mathematics and science problems, created step-by-step solution pathways, and ensured accuracy through logical and numerical validation. This work required a high level of precision, consistency, and attention to detail—core skills essential for annotating, validating, and refining AI training data. I also engaged in research-based writing, where I translated technical concepts into clear, structured outputs, similar to preparing high-quality labeled datasets for machine learning models.

Entry LevelEnglishSwahili

Labeling Experience

No Data Labeling experience added

Zacharia O. hasn’t added any AI Training or Data Labeling experience to their OpenTrain profile yet.

Education

U

University of Nairobi

Bachelor of Education, Science

Bachelor of Education
2016 - 2021

Work History

H

Highway Manyatta Comprehensive School

Assistant Teacher

Nairobi
2025 - Present