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Moses Ndirangu

Moses Ndirangu

AI Trainer – Independent Contractor (Remote)

Kenya flagNairobi, Kenya
$10.00/hrExpertMercor

Key Skills

Software

MercorMercor

Top Subject Matter

Language Model Evaluation and Training

Top Data Types

TextText
ImageImage
DocumentDocument

Top Task Types

RLHFRLHF
Object DetectionObject Detection
Text GenerationText Generation
Evaluation/RatingEvaluation/Rating
Prompt + Response Writing (SFT)Prompt + Response Writing (SFT)

Freelancer Overview

AI Trainer – Independent Contractor (Remote). Brings 14+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Mercor. Education includes Master of Arts, University of Nairobi (2014) and Bachelor of Arts, University of Nairobi (2013). AI-training focus includes data types such as Text and labeling workflows including RLHF.

ExpertEnglish

Labeling Experience

Mercor

AI Trainer – Independent Contractor (Remote)

MercorTextRLHF
As an AI Trainer on Upwork, Mercor, and Handshake, I evaluated large language model outputs for quality and accuracy. I provided RLHF-oriented feedback to enhance the reasoning, tone, and coherence of responses. Responsibilities included prompt engineering, annotation, and quality assurance across distributed teams. • Conducted structured annotation and response analysis on language model outputs. • Designed prompts to test narrative coherence, stylistic alignment, and factual accuracy. • Delivered iterative RLHF feedback for continuous model improvement. • Collaborated with teams to refine evaluation frameworks and performance benchmarks.

As an AI Trainer on Upwork, Mercor, and Handshake, I evaluated large language model outputs for quality and accuracy. I provided RLHF-oriented feedback to enhance the reasoning, tone, and coherence of responses. Responsibilities included prompt engineering, annotation, and quality assurance across distributed teams. • Conducted structured annotation and response analysis on language model outputs. • Designed prompts to test narrative coherence, stylistic alignment, and factual accuracy. • Delivered iterative RLHF feedback for continuous model improvement. • Collaborated with teams to refine evaluation frameworks and performance benchmarks.

2021 - Present

Education

U

University of Nairobi

Bachelor of Arts, English Literature

Bachelor of Arts
2010 - 2013
U

University of Nairobi

Master of Arts, English Literature

Master of Arts
2014

Work History

I

Independent Projects

Creative Writer and Ghostwriter

Nairobi
2014 - Present
S

Strathmore Schools

English Literature Teacher

Nairobi
2013 - 2023