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Henry Irungu

Henry Irungu

Data Annotation & Prompt Engineering (Part-time)

Kenya flagNairobi, Kenya
$10.00/hrIntermediateImerit

Key Skills

Software

iMeritiMerit

Top Subject Matter

AI Training/Natural Language Processing
Legal Services & Contract Review
Regulatory Compliance & Risk Analysis

Top Data Types

TextText
DocumentDocument

Top Task Types

Prompt + Response Writing (SFT)Prompt + Response Writing (SFT)

Freelancer Overview

I have worked in Data Annotation & Prompt Engineering projects for Google Gemini, iMerit inc as well as other remote work gigs for various leading companies in the field . I bring 10+ years of professional experience across legal operations, contract review, compliance, and structured analysis. Core strengths include strong programming and understanding of jSon, Javascript and python all which are vital in ML and AI workflows. My formal education includes Master of Science, University of Liverpool (2017) and Bachelor of Arts, University of Nairobi (2007). My experience in AI-training has mainly been focused on data types such as text, images and video labeling workflows including Prompt + Response Writing (SFT).

IntermediateEnglishSwahili

Labeling Experience

iMerit

Data Annotation & Prompt Engineering -iMerit inc

ImeritTextPrompt Response Writing SFT
As a prompt engineer and data annotator with iMerit Inc, I participated in preparing and refining datasets used for AI model training. I was responsible for designing and annotating text prompts that improve language models' accuracy and versatility. The tasks involved crafting, editing, and evaluating responses to ensure high-quality AI outputs. • Created, reviewed, and annotated thousands of text prompts for various natural language processing tasks. • Engaged in iterative feedback cycles with AI systems to enhance prompt effectiveness. • Used proprietary and third-party annotation platforms to ensure data integrity. • Collaborated with a global team to meet project milestones and deliverables.

As a prompt engineer and data annotator with iMerit Inc, I participated in preparing and refining datasets used for AI model training. I was responsible for designing and annotating text prompts that improve language models' accuracy and versatility. The tasks involved crafting, editing, and evaluating responses to ensure high-quality AI outputs. • Created, reviewed, and annotated thousands of text prompts for various natural language processing tasks. • Engaged in iterative feedback cycles with AI systems to enhance prompt effectiveness. • Used proprietary and third-party annotation platforms to ensure data integrity. • Collaborated with a global team to meet project milestones and deliverables.

2025 - Present

Education

U

University of Nairobi

Bachelor of Arts, Economics and Communication

Bachelor of Arts
2003 - 2007
M

Mang'u High School

High School Diploma, General Secondary Education

High School Diploma
1998 - 2001

Work History

I

Ipasha Infotec

Operations Coordinator

Nairobi
2013 - Present
S

St. Anthony Catholic Hospital

IT & Communications Officer

Nakuru
2023 - 2025