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B

Brian Masheti

AI Trainer (Prompt Engineer)

Kenya flagNairobi, Kenya
$35.00/hrIntermediateOther

Key Skills

Software

Other

Top Subject Matter

AI Task Navigation
Web Navigation
Model Testing

Top Data Types

TextText
Computer Code ProgrammingComputer Code Programming
DocumentDocument

Top Task Types

Prompt + Response Writing (SFT)Prompt + Response Writing (SFT)
PolygonPolygon
Bounding BoxBounding Box
Text GenerationText Generation
Data CollectionData Collection
Question AnsweringQuestion Answering
Object DetectionObject Detection

Freelancer Overview

AI Trainer (Prompt Engineer). Brings 4+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Internal and Proprietary Tooling. Education includes a Certificate in Web Development, Power Learn Project (2025), and a Bachelor of Science, Taita Taveta University (2022). AI-training focus includes data types such as Text and labeling workflows, including Prompt + Response Writing (SFT).

IntermediateEnglishSwahili

Labeling Experience

AI Trainer (Prompt Engineer)

TextPrompt Response Writing SFT
As an AI Trainer (Prompt Engineer) at Pareto AI, I designed and executed structured prompts to guide AI models through various complex tasks. I validated outputs and enforced model response schemas to ensure high-quality AI training data. My work specialized in prompt engineering, output validation, and ethical data training frameworks. • Designed prompts for AI task navigation and testing in domains such as web and gym navigation. • Verified consistency and reproducibility of model outputs using Natural Language Agent/Action protocols. • Defined and enforced machine-readable, standardized output formats (JSON schemas). • Focused on scalable and ethical AI training practices within the data labeling workflow.

As an AI Trainer (Prompt Engineer) at Pareto AI, I designed and executed structured prompts to guide AI models through various complex tasks. I validated outputs and enforced model response schemas to ensure high-quality AI training data. My work specialized in prompt engineering, output validation, and ethical data training frameworks. • Designed prompts for AI task navigation and testing in domains such as web and gym navigation. • Verified consistency and reproducibility of model outputs using Natural Language Agent/Action protocols. • Defined and enforced machine-readable, standardized output formats (JSON schemas). • Focused on scalable and ethical AI training practices within the data labeling workflow.

2025 - 2025

Education

P

Power Learn Project

Certificate in Web Development, Web Development

Certificate in Web Development
2025 - 2025
T

Taita Taveta University

Bachelor of Science, Statistics

Bachelor of Science
2017 - 2022

Work History

S

Surviving Research

Qualitative Data Analyst

Nairobi
2024 - Present
F

Freelancer.com

Data Analyst

Nairobi
2022 - Present