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Kelvin Muriu

AI Data Annotation Specialist – Handshake AI, HedgeHog Project

Kenya flagNairobi, Kenya
$15.00/hrExpert

Key Skills

Software

No software listed

Top Subject Matter

Machine Learning Model Training
AI Model Training
Legal Services & Contract Review

Top Data Types

TextText
DocumentDocument

Top Task Types

Classification

Freelancer Overview

AI Data Annotation Specialist who has worked with Handshake AI (HedgeHog Project) and Outlier AI. Proficient in text categorization, data tagging, and validation of data through custom-built tools. Accurate, consistent, and highly adept at following intricate instructions for data annotation.

ExpertEnglish

Labeling Experience

AI Data Annotation Specialist – Handshake AI, HedgeHog Project

TextClassification
As an AI Data Annotation Specialist at Handshake AI on the HedgeHog Project, I annotated and labeled text data to support machine learning model development. I consistently applied evolving annotation guidelines to achieve high accuracy and thoroughness in dataset preparation. My responsibilities included reviewing, validating, and resolving ambiguities in labeled text data. • Annotated and classified various types of text input for model training and evaluation. • Maintained high-quality annotation standards in a production-focused workflow. • Utilized contextual judgment to address ambiguous or edge-case scenarios. • Ensured outputs met or exceeded quality benchmarks by regular validation and review.

As an AI Data Annotation Specialist at Handshake AI on the HedgeHog Project, I annotated and labeled text data to support machine learning model development. I consistently applied evolving annotation guidelines to achieve high accuracy and thoroughness in dataset preparation. My responsibilities included reviewing, validating, and resolving ambiguities in labeled text data. • Annotated and classified various types of text input for model training and evaluation. • Maintained high-quality annotation standards in a production-focused workflow. • Utilized contextual judgment to address ambiguous or edge-case scenarios. • Ensured outputs met or exceeded quality benchmarks by regular validation and review.

2025 - Present

Data Annotation & Content Review Analyst – Outlier AI

TextClassification
During my time as a Data Annotation & Content Review Analyst at Outlier AI, I was responsible for labeling and classifying structured and unstructured text data for AI training. I performed rigorous quality checks to ensure both accuracy and compliance with established guidelines. My role required adaptability to update annotation schemas and manage extensive documentation. • Labeled text data sets for classification and categorization tasks. • Conducted thorough quality assurance on annotated data sets. • Documented annotation decisions and addressed potential edge cases. • Adapted efficiently to revised labeling protocols and requirements.

During my time as a Data Annotation & Content Review Analyst at Outlier AI, I was responsible for labeling and classifying structured and unstructured text data for AI training. I performed rigorous quality checks to ensure both accuracy and compliance with established guidelines. My role required adaptability to update annotation schemas and manage extensive documentation. • Labeled text data sets for classification and categorization tasks. • Conducted thorough quality assurance on annotated data sets. • Documented annotation decisions and addressed potential edge cases. • Adapted efficiently to revised labeling protocols and requirements.

2023 - 2024

Education

N

N/A

Bachelor of Science, Statistics

Bachelor of Science
Not specified

Work History

C

Consolidated Bank Kenya

Intern

Nairobi
2022 - 2022