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M

Mathew Omweno

AI Trainer / Data Specialist

Kenya flagNairobi, Kenya
$15.00/hrExpertAppenData Annotation TechEncord

Key Skills

Software

AppenAppen
Data Annotation TechData Annotation Tech
EncordEncord
MercorMercor
Micro1
MindriftMindrift
OneFormaOneForma
TelusTelus
AWS SageMakerAWS SageMaker
CloudFactoryCloudFactory

Top Subject Matter

General AI/ML Training Data
Legal Services & Contract Review
Regulatory Compliance & Risk Analysis

Top Data Types

TextText
ImageImage
DocumentDocument

Top Task Types

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

Freelancer Overview

AI Trainer / Data Specialist. Brings 4+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Outlier. Education includes Bachelor of Business Information Technology, Jomo Kenyatta University of Agriculture and Technology (2018). AI-training focus includes data types such as Text and labeling workflows including Evaluation and Rating.

ExpertEnglishGermanSwahili

Labeling Experience

AI Trainer / Data Specialist

Text
I performed large-scale annotation and labeling on text, image, and audio datasets for AI and machine learning systems. I evaluated AI/LLM outputs for relevance, safety, accuracy, and compliance with guidelines. I contributed to data preprocessing, cleaning, and structuring as part of the machine learning workflow. • Used Outlier and Handshake platforms to review and annotate diverse data types. • Ensured high data quality by following strict quality assurance standards. • Reviewed and corrected AI-generated text responses to improve alignment and performance. • Collaborated with distributed teams to deliver datasets for AI model development.

I performed large-scale annotation and labeling on text, image, and audio datasets for AI and machine learning systems. I evaluated AI/LLM outputs for relevance, safety, accuracy, and compliance with guidelines. I contributed to data preprocessing, cleaning, and structuring as part of the machine learning workflow. • Used Outlier and Handshake platforms to review and annotate diverse data types. • Ensured high data quality by following strict quality assurance standards. • Reviewed and corrected AI-generated text responses to improve alignment and performance. • Collaborated with distributed teams to deliver datasets for AI model development.

2021 - Present

Education

J

Jomo Kenyatta University of Agriculture and Technology

Bachelor of Business Information Technology, Business Information Technology

Bachelor of Business Information Technology
2018 - 2018

Work History

A

Africa Maritime Affairs

ICT Officer / IT Manager

Nairobi
2018 - 2021