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E
Epher

Epher

Senior AI Data Specialist — AI Model Evaluation

Kenya flagNairobi, Kenya
$9.00/hrExpertTelusLionbridgeAppen

Key Skills

Software

TelusTelus
LionbridgeLionbridge
AppenAppen
LabelImgLabelImg

Top Subject Matter

AI Model Evaluation
General Knowledge
Data Annotation

Top Data Types

TextText
ImageImage
VideoVideo

Top Task Types

Object DetectionObject Detection
Text GenerationText Generation
Question AnsweringQuestion Answering
Text SummarizationText Summarization
TranscriptionTranscription
Evaluation/RatingEvaluation/Rating

Freelancer Overview

Senior AI Data Specialist — AI Model Evaluation. Core strengths include Telus and Lionbridge. Education includes Bachelor of Information Technology, Kirinyaga University (2020). AI-training focus includes data types such as Text and labeling workflows including Evaluation and Rating.

ExpertEnglishSwahili

Labeling Experience

Telus

Senior AI Data Specialist — AI Model Evaluation

TelusText
Evaluated AI-generated responses for accuracy, clarity, and logical consistency as part of a large-scale remote model evaluation team. Compared and ranked various outputs, identifying gaps or hallucinations and providing feedback to enhance AI system performance. Conducted quality assurance on datasets, correcting annotation inconsistencies in accordance with detailed guidelines. • Tested model performance across multiple subject areas and modalities • Provided structured written feedback to guide prompt improvements • Reviewed responses for factual, logical, and linguistic accuracy • Worked independently while meeting project and quality targets.

Evaluated AI-generated responses for accuracy, clarity, and logical consistency as part of a large-scale remote model evaluation team. Compared and ranked various outputs, identifying gaps or hallucinations and providing feedback to enhance AI system performance. Conducted quality assurance on datasets, correcting annotation inconsistencies in accordance with detailed guidelines. • Tested model performance across multiple subject areas and modalities • Provided structured written feedback to guide prompt improvements • Reviewed responses for factual, logical, and linguistic accuracy • Worked independently while meeting project and quality targets.

2023 - 2025
Lionbridge

Data Annotation & AI Evaluation Analyst

LionbridgeText
Reviewed and annotated AI-generated content in text, audio, image, and video formats for use in machine learning workflows. Tagged datasets, flagged incorrect outputs, and conducted quality checks to improve consistency and accuracy. Documented evaluation reasoning while collaborating remotely and adhering to strict quality requirements. • Labeled diverse data types including text, audio, image, and video data • Identified errors related to formatting, clarity, and logic • Prepared data for AI training and evaluation based on task specifications • Helped ensure data integrity in high-volume annotation projects.

Reviewed and annotated AI-generated content in text, audio, image, and video formats for use in machine learning workflows. Tagged datasets, flagged incorrect outputs, and conducted quality checks to improve consistency and accuracy. Documented evaluation reasoning while collaborating remotely and adhering to strict quality requirements. • Labeled diverse data types including text, audio, image, and video data • Identified errors related to formatting, clarity, and logic • Prepared data for AI training and evaluation based on task specifications • Helped ensure data integrity in high-volume annotation projects.

2021 - 2023

Education

K

Kirinyaga University

Bachelor of Information Technology, Information Technology

Bachelor of Information Technology
2017 - 2020

Work History

N

Naivas

Cashier

Nairobi
2025 - Present