Brian Gitonga

Key Skills

Software

Datasaur

Label Studio

Argilla

Top Subject Matter

General English language

data annotation

AI model evaluation

Top Data Types

Text

Computer Code Programming

Document

Top Task Types

Prompt Response Writing SFT

Evaluation Rating

Text Summarization

Question Answering

Classification

Entity Ner Classification

Text Generation

Freelancer Overview

Data Annotation & AI Training (Self-initiated/Professional Development). Brings 2+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Label Studio. Education includes Bachelor of Business Information Technology, Cooperative University of Kenya (2025). AI-training focus includes data types such as Text and labeling workflows including Evaluation and Rating.

Labeling Experience

Data Annotation & AI Training (Self-initiated/Professional Development)

Label StudioText

Focused on building expertise in data annotation, AI training, and evaluation of AI-generated responses for quality and correctness. Conducted annotation tasks and data categorization while emphasizing quality, consistency, and accuracy in labeled text data. Used Label Studio and Google Docs/Sheets to carry out structured data labeling projects in the English language domain. • Evaluated AI-generated text for clarity and factual accuracy. • Annotated and categorized written material according to provided guidelines. • Ensured each label remained consistent and followed stated protocols. • Maintained detailed records of labeled data to support future analysis.

Focused on building expertise in data annotation, AI training, and evaluation of AI-generated responses for quality and correctness. Conducted annotation tasks and data categorization while emphasizing quality, consistency, and accuracy in labeled text data. Used Label Studio and Google Docs/Sheets to carry out structured data labeling projects in the English language domain. • Evaluated AI-generated text for clarity and factual accuracy. • Annotated and categorized written material according to provided guidelines. • Ensured each label remained consistent and followed stated protocols. • Maintained detailed records of labeled data to support future analysis.

2026 - Present

Education

Work History