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J

Japheth Kimeu

Freelance AI Generalist / AI Evaluation Specialist

CANADA flag
Halifax, Canada
$20.00/hrExpertAws SagemakerAnno MageAppen

Key Skills

Software

AWS SageMakerAWS SageMaker
Anno-MageAnno-Mage
AppenAppen
ArgillaArgilla
Axiom AI
ClickworkerClickworker
DataloopDataloop
DatatroniqDatatroniq
Internal/Proprietary Tooling
TelusTelus
TolokaToloka
Surge AISurge AI
SuperviselySupervisely
Snorkel AISnorkel AI
SlothSloth
Scale AIScale AI
RemotasksRemotasks
RoboflowRoboflow
ProdigyProdigy
OneFormaOneForma
MindriftMindrift
Mighty AIMighty AI
Micro1
MercorMercor
LionbridgeLionbridge
LightTagLightTag
Label StudioLabel Studio
LabelImgLabelImg
LabelboxLabelbox
iMeritiMerit
HumanaticHumanatic
HiveMindHiveMind
HastyHasty
Google Cloud Vertex AIGoogle Cloud Vertex AI
EncordEncord
DoccanoDoccano
Data Annotation TechData Annotation Tech
CrowdSourceCrowdSource
Other

Top Subject Matter

Large Language Models and Generative AI

Top Data Types

ImageImage
VideoVideo
TextText

Top Task Types

Diagnosis
Bounding Box
Segmentation
Classification
Entity Ner Classification
Point Key Point
Polyline
Cuboid
Object Detection
Text Generation
Question Answering
Text Summarization
Polygon
RLHF
Fine Tuning
Red Teaming
Transcription
Evaluation Rating
Computer Programming Coding
Data Collection
Function Calling
Prompt Response Writing SFT

Freelancer Overview

Freelance AI Generalist / AI Evaluation Specialist. Brings 5+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Other. AI-training focus includes data types such as Text and labeling workflows including Evaluation and Rating.

ExpertSwahiliEnglish

Labeling Experience

Freelance AI Generalist / AI Evaluation Specialist

OtherText
As a Freelance AI Generalist / AI Evaluation Specialist, I evaluated and rated AI-generated responses for accuracy, safety, and relevance. I designed and refined prompts to improve model performance and output quality, and performed data annotation and labeling tasks for machine learning model training. I identified hallucinations, inconsistencies, and bias in AI-generated outputs while providing structured feedback to enhance AI system performance. • Evaluated AI-generated responses for correctness and relevance • Designed prompts to optimize output quality • Conducted data annotation directly used for AI model training • Provided structured feedback for iterative improvement

As a Freelance AI Generalist / AI Evaluation Specialist, I evaluated and rated AI-generated responses for accuracy, safety, and relevance. I designed and refined prompts to improve model performance and output quality, and performed data annotation and labeling tasks for machine learning model training. I identified hallucinations, inconsistencies, and bias in AI-generated outputs while providing structured feedback to enhance AI system performance. • Evaluated AI-generated responses for correctness and relevance • Designed prompts to optimize output quality • Conducted data annotation directly used for AI model training • Provided structured feedback for iterative improvement

2022 - Present

AI Application Developer and Medical Image Annotator, 'LungGuard' Project

Diagnosis
Developed and deployed 'LungGuard,' an AI-powered mobile application designed for precise pneumonia detection from chest X-ray images. Labeled and curated datasets of chest X-ray images to train and evaluate deep learning models. Participated in the end-to-end annotation, quality assurance, and diagnosis validation processes. • Collaborated with healthcare professionals to ensure annotation accuracy • Used deep learning techniques to analyze and classify medical images • Prepared and curated datasets for medical AI model training • Conducted staff training on application and annotation workflows

Developed and deployed 'LungGuard,' an AI-powered mobile application designed for precise pneumonia detection from chest X-ray images. Labeled and curated datasets of chest X-ray images to train and evaluate deep learning models. Participated in the end-to-end annotation, quality assurance, and diagnosis validation processes. • Collaborated with healthcare professionals to ensure annotation accuracy • Used deep learning techniques to analyze and classify medical images • Prepared and curated datasets for medical AI model training • Conducted staff training on application and annotation workflows

2023 - 2023

Education

N

Nelson Mandela African Institution of Science and Technology

Master of Science, Information and Communication Technologies

Master of Science
2022 - 2024
S

South Eastern Kenya University

Bachelor of Information Technology, Information and Communication Technologies

Bachelor of Information Technology
2015 - 2018

Work History

R

Remote Platforms

Freelance Data Entry & Virtual Assistant

N/A
2022 - Present
W

West Meru Hospital

Graduate Intern

Arusha
2023 - 2023