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Sheila Koech

Freelance AI Data Annotator

KENYA flag
Nairobi, Kenya
$15.00/hrExpertOtherAppen

Key Skills

Software

Other
AppenAppen

Top Subject Matter

AI/LLM/Natural Language Processing

Top Data Types

TextText
ImageImage
VideoVideo

Top Task Types

Point Key Point
Entity Ner Classification

Freelancer Overview

Freelance AI Data Annotator. Brings 5+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Other. Education includes Bachelor of Arts, University of Nairobi (2023) and Kenya Certificate of Secondary Education, Precious Blood Secondary School (Riruta) (2018). AI-training focus includes data types such as Text and labeling workflows including Evaluation and Rating.

ExpertSwahiliEnglishChinese Mandarin

Labeling Experience

Freelance AI Data Annotator

OtherText
As a freelance AI data annotator, I evaluated AI responses for accuracy, clarity, and helpfulness. I wrote prompts and instructions used to train AI models and labeled and categorized text datasets. I reviewed AI outputs, identified errors, and improved datasets used in machine learning training. • Evaluated chatbot and AI-generated content for quality and accuracy • Labeled text data to enhance machine learning algorithms • Developed and reviewed prompts for AI model training • Contributed to refining natural language understanding models

As a freelance AI data annotator, I evaluated AI responses for accuracy, clarity, and helpfulness. I wrote prompts and instructions used to train AI models and labeled and categorized text datasets. I reviewed AI outputs, identified errors, and improved datasets used in machine learning training. • Evaluated chatbot and AI-generated content for quality and accuracy • Labeled text data to enhance machine learning algorithms • Developed and reviewed prompts for AI model training • Contributed to refining natural language understanding models

2023 - Present

Education

U

University of Nairobi

Bachelor of Arts, Information Technology

Bachelor of Arts
2019 - 2023
P

Precious Blood Secondary School (Riruta)

Kenya Certificate of Secondary Education, General Secondary Education

Kenya Certificate of Secondary Education
2015 - 2018

Work History

F

Freelance

Online Content Reviewer

Nairobi
2022 - Present