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Yousra Ko

Yousra Ko

Experienced AI Trainer & Data Rater | Enhancing LLM Performance

Canada flagSherbrooke, Canada
$22.00/hrIntermediateTelusOtherInternal Proprietary Tooling

Key Skills

Software

TelusTelus
Other
Internal/Proprietary Tooling

Top Subject Matter

No subject matter listed

Top Data Types

AudioAudio
ImageImage
TextText

Top Task Types

Action Recognition
Classification
Evaluation Rating
Prompt Response Writing SFT
Translation Localization

Freelancer Overview

I have solid experience in AI training and data labeling, specializing in annotating and evaluating large language model outputs to enhance accuracy, coherence, and safety (Apple, Gemini). My work includes detailed content annotation, quality assurance, and feedback provision to improve model fluency and relevance. I also have helped design and test training assessments for AI raters to ensure they are properly trained and aligned with project standards (Welodata). I bring strong analytical skills and a deep understanding of natural language processing, combined with a background in digital marketing and UX evaluation, enabling me to assess AI-generated content from both technical and user-centric perspectives. I'm fluent in French & English as I live in Sherbrooke, Quebec, Canada.

IntermediateArabicFrenchEnglish

Labeling Experience

Telus

AI Content Evaluator

TelusTextTranslation LocalizationEvaluation Rating
Delivered rater services to TELUS International supporting Google’s AI development and search evaluation in both English and French. Focused on improving natural language understanding and content safety by analyzing prompts and providing accurate relevance judgments. Ensured compliance with content guidelines through careful evaluation of AI-generated outputs. Contributed feedback to help enhance AI model performance and user experience.

Delivered rater services to TELUS International supporting Google’s AI development and search evaluation in both English and French. Focused on improving natural language understanding and content safety by analyzing prompts and providing accurate relevance judgments. Ensured compliance with content guidelines through careful evaluation of AI-generated outputs. Contributed feedback to help enhance AI model performance and user experience.

2023

Data Annotator

Internal Proprietary ToolingDocumentClassificationText Summarization
Performed detailed data annotation and labeling tasks to support language model development. Accurately labeled diverse datasets including text, audio, and images while following clear guidelines. Collaborated with teams to ensure consistent and high-quality annotations. Assisted in testing training assessments designed for AI trainers to help ensure proper rater preparation and alignment with project standards.

Performed detailed data annotation and labeling tasks to support language model development. Accurately labeled diverse datasets including text, audio, and images while following clear guidelines. Collaborated with teams to ensure consistent and high-quality annotations. Assisted in testing training assessments designed for AI trainers to help ensure proper rater preparation and alignment with project standards.

2024 - 2025

Education

L

London School of Business

Certificate, Brand Awareness

Certificate
2023 - 2023
C

Concordia University

Bachelor's, Political Science

Bachelor's
2021 - 2021

Work History

D

DishDash Group

Marketing Manager

Dubai
2022 - 2023
S

Shangri-La Hotel, Itran Group

Marketing Manager

Abu Dhabi
2021 - 2022