For employers

Hire this AI Trainer

Sign in or create an account to invite AI Trainers to your job.

Invite to Job
Catherine Njeri

Catherine Njeri

Versatile AI Data Labeler | Text, Audio, QA & LLM Evaluation

KENYA flag
Nairobi, Kenya
$15.00/hrIntermediateAppenClickworkerCrowdsource

Key Skills

Software

AppenAppen
ClickworkerClickworker
CrowdSourceCrowdSource
OneFormaOneForma
TelusTelus
Other

Top Subject Matter

No subject matter listed

Top Data Types

ImageImage
TextText
VideoVideo

Top Label Types

Data Collection
Emotion Recognition
Prompt Response Writing SFT
Question Answering
Segmentation

Freelancer Overview

I am an AI Data Labeler and LLM Evaluation Specialist with expertise in text, audio and question answering tasks. Skilled in English-Swahili annotation, translation QA, and LLM response evaluation, I ensure high quality, accurate datasets that improve AI performance. Detail oriented and experienced with multilingual and complex data, I deliver precise, reliable results that support cutting edge AI training initiatives.

IntermediateSwahiliEnglish

Labeling Experience

Appen

English–Swahili LLM Evaluation & Q&A Annotation

AppenTextClassificationQuestion Answering
Performed structured annotation and evaluation tasks on English–Swahili datasets to support LLM training. Tasks included translating and validating content, labeling question-answer pairs, classifying text for intent and sentiment, and reviewing model outputs for accuracy, relevance, and adherence to linguistic and cultural standards. Managed large datasets while maintaining high quality, ensuring consistency and precision across all annotations. Followed strict documentation, file naming, and confidentiality protocols.

Performed structured annotation and evaluation tasks on English–Swahili datasets to support LLM training. Tasks included translating and validating content, labeling question-answer pairs, classifying text for intent and sentiment, and reviewing model outputs for accuracy, relevance, and adherence to linguistic and cultural standards. Managed large datasets while maintaining high quality, ensuring consistency and precision across all annotations. Followed strict documentation, file naming, and confidentiality protocols.

2024 - 2025

reviewer

OtherTextTranslation Localization
Execute multi-step evaluation tasks, recording complex workflows and user actions (clicks, keystrokes). Review AI-generated responses for linguistic accuracy and cultural nuances. Configure and navigate diverse software environments to meet project-specific technical requirements.

Execute multi-step evaluation tasks, recording complex workflows and user actions (clicks, keystrokes). Review AI-generated responses for linguistic accuracy and cultural nuances. Configure and navigate diverse software environments to meet project-specific technical requirements.

2024

Education

U

University of Nairobi

Diploma, Communication & Linguistics

Diploma
2019 - 2019

Work History

T

The Knowledge Tree International

Language & Admin Support

Nairobi Kenya
2021 - 2023